State standard. State standard Designation of a series of working drawings of plates

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It applies to reinforced concrete multi-hollow slabs made from heavy, light and dense silicate concrete and intended for the bearing part of the floors of buildings and structures for various purposes.

Replaces GOST 26434-85 “Reinforced concrete floor slabs for residential buildings. Types and main parameters” in terms of types, main dimensions and parameters of reinforced concrete hollow-core slabs; IUS 2-1992
Replaces GOST 9561-76 “Reinforced concrete multi-hollow panels for floors of buildings and structures. Specifications" IUS 2-1992
Replaced by GOST 9561-2016 “Reinforced concrete multi-hollow floor slabs for buildings and structures. Specifications" IUS 4-2017

1 Technical requirements

2 Acceptance

3 Control methods

4 Transport and storage

Appendix 3 (informative) Terms used in Appendix 2 and their explanations

This GOST is in:

Organizations:

Reinforced concrete multihollow panels for floors in buildings. Specifications

GOST 26433.0-85General provisions
GOST 26433.1-89System for ensuring the accuracy of geometric parameters in construction. Rules for performing measurements. Prefabricated elements
GOST 8829-94Prefabricated building reinforced concrete and concrete products. Load test methods. Rules for assessing strength, stiffness and crack resistance. Replaced by GOST 8829-2018.
GOST 10922-90Welded reinforcing and embedded products, welded fittings and embedded products of reinforced concrete structures. General specifications . Replaced by GOST 10922-2012.
GOST 13015.0-83General technical requirements. Replaced by GOST 13015-2003.
GOST 13015.1-81Prefabricated concrete and reinforced concrete structures and products. Acceptance. Replaced by GOST 13015-2003.
GOST 13015.2-81Prefabricated concrete and reinforced concrete structures and products. Marking. Replaced by GOST 13015-2003.
GOST 13015.4-84Prefabricated concrete and reinforced concrete structures and products. Rules for transportation and storage. Replaced by GOST 13015-2003.
GOST 17625-83Designs and products reinforced concrete. Radiation method for determining the thickness of the protective layer of concrete, the size and location of the reinforcement
GOST 22362-77Reinforced concrete structures. Methods for measuring the tension force of reinforcement
GOST 22904-93Reinforced concrete structures. Magnetic method for determining the thickness of the protective layer of concrete and the location of reinforcement
GOST 23009-78Constructions and prefabricated concrete and reinforced concrete products. Symbols (brands). Replaced by GOST 23009-2016.
GOST 23858-79Welded butt and tee fittings of reinforced concrete structures. Ultrasonic quality control methods. Acceptance rules
GOST 25697-83Plates balconies and loggias reinforced concrete. General specifications . Replaced by GOST 25697-2018.
GOST 26434-85Plates reinforced concrete floors for residential buildings. Types and basic parameters . Replaced by GOST 26434-2015.
GOST 10180-90Concrete. Methods for determining the strength of control samples. Replaced by GOST 10180-2012.
GOST 10181.0-81Concrete mixes. General requirements for test methods. Replaced by GOST 10181-2000.
GOST 12730.0-78Concrete. General requirements for methods for determining density, moisture, water absorption, porosity and water resistance
GOST 12730.1-78Concrete. Methods of determination density
GOST 12730.5-84Concrete. Methods of determination waterproof . Replaced by GOST 12730.5-2018.
GOST 17623-87Concrete. Radioisotope method for determining the average density
GOST 17624-87Concrete. Ultrasonic method for determining strength. Replaced by GOST 17624-2012.
GOST 18105-86Concrete. Strength control rules. Replaced by GOST 18105-2010.
GOST 22690-88Concrete. Determination of strength by mechanical methods of non-destructive testing. Replaced by GOST 22690-2015.
GOST 25214-82The concrete is silicate dense. Specifications
GOST 26134-84Concrete. Ultrasonic method for determining frost resistance. Replaced by GOST 26134-2016.
GOST 26633-91Concrete is heavy and fine-grained. Specifications. Replaced by GOST 26633-2012.
GOST 5781-82Hot-rolled steel for reinforcing reinforced concrete structures. Specifications. Replaced by GOST 34028-2016.
GOST 6727-80Wire from low-carbon steel cold-drawn for reinforcing reinforced concrete structures. Specifications
GOST 7348-81Wire from carbon steel for reinforcing prestressed concrete structures. Specifications
GOST 10884-94Reinforcing steel thermomechanically hardened for reinforced concrete structures. Specifications. Replaced by GOST 34028-2016.
GOST 13840-68Reinforcing steel ropes 1x7. Specifications
GOST 25820-2000 . Replaced by GOST 25820-2014.
GOST 8829-85Prefabricated concrete and reinforced concrete structures and products. Load Test Methods and Evaluation of Strength, Stiffness and Crack Resistance. Replaced by GOST 8829-94.
GOST 10181.3-81Concrete mixes. Methods for determining porosity. Replaced by GOST 10181-2000.
GOST 25820-83Concrete is light. Specifications. Replaced by GOST 25820-2000.
GOST 10060-87Concrete. Methods for determining frost resistance
GOST 10884-81Reinforcing steel thermomechanically and thermally hardened of a periodic profile. Specifications. Replaced by GOST 10884-94.

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STATE STANDARD OF THE UNION OF THE SSR

REINFORCED CONCRETE FLOOR PLATES
MULTI-HOLLOW FOR BUILDINGS
AND FACILITIES

TECHNICAL CONDITIONS

USSR STATE COMMITTEE FOR CONSTRUCTION
AND INVESTMENT

Moscow

STATE STANDARD OF THE UNION OF THE SSR

Date of introduction 01.01.92

This standard applies to reinforced concrete multi-hollow slabs (hereinafter - slabs) made from heavy, light and dense silicate concrete and intended for the bearing part of the floors of buildings and structures for various purposes.

Plates are used in accordance with the instructions of the working drawings of the plates and additional requirements specified when ordering these structures.

1. TECHNICAL REQUIREMENTS

1.1. Plates should be manufactured in accordance with the requirements of this standard and technological documentation approved by the manufacturer, according to working drawings standard designs(see Appendix 1) or projects of buildings (structures).

It is allowed, by agreement between the manufacturer and the consumer, to produce plates that differ in types and sizes from those given in this standard, subject to the remaining requirements of this standard.

1.2. Main parameters and dimensions

1.2.1. Plates are divided into types:

1pc - 220 mm thick with round voids with a diameter of 159 mm, designed to be supported on two sides;

1PKT - the same, for support on three sides;

1PKK - the same, for support on four sides;

2pcs - 220 mm thick with round voids 140 mm in diameter, designed to be supported on two sides;

2PKT - the same, for support on three sides;

2PKK - the same for support on four sides;

3pcs - 220 mm thick with round voids 127 mm in diameter, designed to be supported on two sides;

3PKT - the same, for support on three sides;

3PKK - the same, for support on four sides;

4PK - 260 mm thick with round voids with a diameter of 159 mm and cutouts in the upper zone along the contour, designed to be supported on two sides;

5PC - 260 mm thick with round voids 180 mm in diameter, designed to be supported on two sides;

6PK - 300 mm thick with round voids with a diameter of 203 mm, designed to be supported on two sides;

7PK - 160 mm thick with round voids 114 mm in diameter, designed to be supported on two sides;

PG - 260 mm thick with pear-shaped voids, designed to be supported on two sides;

PB - 220 mm thick, manufactured by continuous molding on long stands and designed to be supported on two sides.

1.2.2. The shape and coordination length and width of the slabs (with the exception of PB type slabs) must correspond to those given in Table. 1 and damn. 1 - 3. For buildings (structures) with a design seismicity of 7 points or more, it is allowed to manufacture slabs that have a shape that differs from that indicated in the drawing. thirteen.

1.2.3. The structural length and width of the slabs (with the exception of PB type slabs) should be taken equal to the corresponding coordination size (Table 1), reduced by the value a 1 (gap between adjacent plates) or a 2 (distance between adjacent plates if there is a separating element between them, for example, an anti-seismic belt, ventilation ducts, crossbar ribs), or increased by the value a 3 (for example, for slabs supported on the entire thickness of the walls of the staircase of buildings with transverse bearing walls). Values a 1 , a 2 and a 3 are given in table. 2.

1.24. The shape and dimensions of PB-type plates must comply with the established working drawings of the plates, developed in accordance with the parameters of the molding equipment of the manufacturer of these plates.

Table 1

Plate type	Slab drawing number	Coordination dimensions of the plate, mm
Plate type	Slab drawing number
		From 2400 to 6600 incl. with an interval of 300, 7200, 7500	1000, 1200, 1500, 1800, 2400, 3000, 3600
			1000, 1200, 1500
		From 3600 to 6600 incl. with an interval of 300, 7200, 7500
		From 2400 to 3600 incl. with an interval of 300	From 4800 to 6600 incl. with an interval of 300, 7200
		From 2400 to 6600 incl. with an interval of 300, 7200, 9000	1000, 1200, 1500
		6000, 9000, 12000	1000, 1200, 1500
			1000, 1200, 1500
		From 3600 to 6300 incl. with an interval of 3000	1000, 1200, 1500, 1800
		6000, 9000, 12000	1000, 1200, 1500

Note. For the length of the plates take:

the size of the side of the slab not supported by bearing structures buildings (structures) - for slabs intended to be supported on two or three sides;

the smaller of the dimensions of the slab in plan - for slabs intended to be supported along the contour.

Plate types 1pc, 2pc, 3pc, 5pc, 6pc, 7pc

Plates of types 1PKT, 2PKT, 3PKT

Plates of types 1PKK, 2PKK, 3PKK

Stove type 4pcs

Stove type PG

Notes to hell. thirteen

1. Plates of types 1PKT, 2PKT, 3PKT, 1PKK, 2PKK and 3PKK can have technological bevels along all side faces.

2. Methods for strengthening the ends of the plates are shown in Fig. 1 - 3 as an example. It is allowed to use other methods of reinforcement, including a decrease in the diameter of the voids through one on both supports without sealing the opposite ends of the voids.

3. The dimensions and shape of the groove along the longitudinal upper edge of the plates of types 1PKT, 2PKT and 3PKT (Fig. 1 b) and along the contour of the plates of type 4PK (Fig. 2) are established in the working drawings of the plates.

4. In slabs intended for buildings (structures) with an estimated seismicity of 7 - 9 points, extreme voids may be absent due to the need to install embedded products or release reinforcement for connections between slabs, walls, anti-seismic belts.

table 2

Scope of plates	Additional dimensions taken into account when determining the structural size of the slab, mm
		width a 1
		width a 1
Large-panel buildings, including buildings with a design seismicity of 7 - 9 points		10 - for slabs with a coordination width of less than 2400. 20 - for slabs with a coordination width of 2400 or more
Buildings (structures) with walls made of bricks, stones and blocks, with the exception of buildings (structures) with an estimated seismicity of 7 - 9 points
Buildings (structures) with walls made of bricks, stones and blocks with an estimated seismicity of 7 - 9 points
Frame buildings (structures), including buildings (structures) with an estimated seismicity of 7 - 9 points

1.2.5. Voids in slabs intended to be supported on two or three sides should be located parallel to the direction in which the length of the slabs is determined. In slabs intended to be supported on four sides, voids should be placed parallel to either side of the slab contour.

The nominal distance between the centers of voids in slabs (with the exception of slabs of types PG and PB) should be taken at least, mm:

185 - in plates of types 1PK, 1PKT, 1PKK, 2PK, 2PKT, 2PKK, 3PK, 3PKT, 3PKK and 4PK;

235 - in plates of type 5PK;

233 « « « 6pcs;

139 « « « 7pcs.

The distance between the void centers of slabs of types PG and PB is assigned in accordance with the parameters of the molding equipment of the manufacturer of these slabs.

1.2.6. The slabs should be made with recesses or grooves on the side faces for the formation of discontinuous or continuous dowels after embedding, which ensure the joint operation of the floor slabs for shear in the horizontal and vertical directions.

By agreement between the manufacturer, the consumer and the design organization - the author of the project of a particular building (structure), it is allowed to manufacture plates without recesses or grooves for the formation of dowels.

1.2.7. Slabs intended to be supported on two or three sides should be prestressed. Plates with a thickness of 220 mm, a length of less than 4780 mm, with voids with a diameter of 159 and 140 mm and plates with a thickness of 260 mm, with a length of less than 5680 mm, as well as plates with a thickness of 220 mm, of any length, with voids with a diameter of 127 mm, are allowed to be manufactured with non-tensioned reinforcement.

1.2.8. Plates should be made with reinforced ends. Strengthening the ends is achieved by reducing the cross section of the voids on the supports or filling the voids with concrete or concrete liners (Fig. 1 - 3). When the calculated load on the ends of the plates in the area of \u200b\u200bsupport of the walls does not exceed 1.67 MPa (17 kgf / cm 2), it is allowed, by agreement between the manufacturer and the consumer, to supply plates with non-reinforced ends.

Amplification methods and minimum dimensions terminations are installed in the working drawings or indicated when ordering plates.

1.2.9. In cases provided for by the working drawings of a particular building (structure), slabs may have embedded products, reinforcement outlets, local cuts, holes and other additional structural details.

1.2.10. For lifting and mounting of plates, mounting loops or special gripping devices are used, the design of which is established by the manufacturer in agreement with the consumer and the design organization - the author of the building (structure) project. The location and dimensions of the holes in the plates provided for loopless mounting are taken according to the drawings included in the project documentation gripping device for these plates.

1.2.11. Consumption rates of concrete and steel on the slabs must correspond to those indicated in the working drawings of these slabs, taking into account possible clarifications made by the design organization in the prescribed manner.

1.2.12. Plates are used taking into account their fire resistance limit specified in the working drawings of the plates.

1.2.13. Plates are marked with brands in accordance with the requirements of GOST 23009. The slab brand consists of alphanumeric groups separated by hyphens.

In the first group, indicate the designation of the type of slab, the length and width of the slab in decimeters, the values of which are rounded to the nearest whole number.

In the second group indicate:

calculated load on the slab in kilopascals (kilogram-force per square meter) or serial number of the slab in terms of bearing capacity;

steel class of prestressed reinforcement (for prestressed slabs);

type of concrete (L - lightweight concrete, C - dense silicate concrete; heavy concrete is not indicated).

In the third group, if necessary, indicate additional characteristics that reflect the special conditions for the use of plates (for example, their resistance to aggressive gaseous media, seismic effects), as well as designations design features plates (for example, the presence of additional embedded products).

Example symbol(brands) of type 1PK slabs, 6280 mm long, 1490 mm wide, designed for a design load of 6 kPa, made of lightweight concrete with prestressing reinforcement of class At-V:

1PK63.15-6A T VL

The same, made of heavy concrete and intended for use in buildings with a design seismicity of 7 points:

1PK63.15-6A T V-C7

Note. It is allowed to accept the designation of slab grades in accordance with the working drawings of the slabs until they are revised.

1.3. Specifications

1.3.1. Plates must meet the requirements for strength, rigidity, crack resistance established during design and, when tested by loading in cases provided for by working drawings, withstand control loads.

1.3.2. Plates must meet the requirements of GOST 13015.0:

by indicators actual strength concrete (at the design age, transfer and holiday);

in terms of frost resistance of concrete, and for slabs operated under conditions of exposure to an aggressive gaseous environment, also in terms of water resistance of concrete;

according to the average density of lightweight concrete;

to steel grades for reinforcing and embedded products, including mounting loops;

by deviations in the thickness of the protective layer of concrete to reinforcement;

for corrosion protection.

The slabs used as the bearing part of the loggias must also meet the additional requirements of GOST 25697.

1.3.3. Slabs should be made of heavy concrete in accordance with GOST 26633, structural lightweight concrete of a dense structure with an average density of at least 1400 kg / m 3 in accordance with GOST 25820 or dense silicate concrete of an average density of at least 1800 kg / m 3 in accordance with GOST 25214 classes or grades for compressive strength specified in the working drawings of these plates.

1.3.4. Compression forces (reinforcement tension release) are transferred to concrete after it reaches the required transfer strength.

The normalized transfer strength of concrete of prestressed slabs, depending on the class or grade of concrete in terms of compressive strength, type and class of prestressed reinforcing steel, must correspond to that indicated in the working drawings of these slabs.

1.3.5. The normalized tempering strength of concrete of prestressed slabs of heavy or lightweight concrete for the warm period of the year should be equal to the normalized transfer strength of concrete, and slabs with non-stressed reinforcement - 70% of the compressive strength of concrete corresponding to its class or grade. Upon delivery of these plates in cold period year or to ensure their safety during transportation by rail during the warm season (as agreed between the manufacturer and the consumer of the plates), the normalized tempering strength of concrete can be increased to 85% of the compressive strength of concrete corresponding to its class or brand.

The normalized tempering strength of concrete of slabs of dense silicate concrete should be equal to 100% of the compressive strength of concrete corresponding to its class or grade.

1.3.6. For reinforcing plates, reinforcing steel of the following types and classes should be used:

as prestressing reinforcement - thermomechanically hardened rod classes At-IV, At-V and At-VI according to GOST 10884 (regardless of weldability and increased resistance to corrosion cracking of reinforcement), hot-rolled rod classes A-IV, A-V and A-VI in accordance with GOST 5781, class K-7 reinforcing ropes in accordance with GOST 13840, high-strength wire of a periodic profile of class Vr-II in accordance with GOST 7348, class Vr-600 wire in accordance with TU 14-4-1322 and rod reinforcement of class A-IIIv, made of reinforcing steel class A-I II in accordance with GOST 5781, a hardened hood with control over the magnitude of stress and ultimate elongation;

as non-tensioned reinforcement - hot-rolled rod of a periodic profile of classes A-II, A-III and smooth of class A-I according to GOST 5781, wire of a periodic profile of class VR-I according to GOST 6727 and class VR-600 according to TU 14-4-1322.

In slabs manufactured by methods of continuous formless molding on long stands, continuous reinforcement, as well as using multi-temperature electrothermal tension, high-strength wire reinforcement according to GOST 7348 and ropes according to GOST 13840 are used.

1.3.7. The shape and dimensions of reinforcing and embedded products and their position in the slabs must correspond to those indicated in the working drawings of these slabs.

1.3.8. Welded reinforcing and embedded products must comply with the requirements of GOST 10922.

1.3.9. The stress values in the prestressed reinforcement, controlled after its tensioning on the stops, must correspond to those indicated in the working drawings of the plates.

The values of the actual stress deviations in the prestressed reinforcement should not exceed the limit values specified in the working drawings of the slabs.

1.3.10 The values of the actual deviations of the geometric parameters of the plates should not exceed the limit values indicated in Table. 3.

Table 3

The name of the deviation of the geometric parameter	Geometric parameter name	Previous off
Deviation from linear dimension	Plate length and width:
	up to 2500 incl.
	St. 2500 to 4000 incl.
	St. 4000 to 8000 incl.

	Plate thickness
	Size defining position:
	holes and cutouts
	embedded products:
	in the plane of the slab
	from the plate plane
Deviation from the straightness of the profile of the upper surface of the slab, intended for direct linoleum sticker, as well as the profile of the side faces of the slab at a length of 2000
Deviation from the flatness of the front lower (ceiling) surface of the slab when measured from the conditional plane passing through three corner points of the slab with a length of:

* The deviation from the size that determines the position of the embedded product from the upper plane of the slabs intended for direct linoleum gluing should be only inside the slab.

1.3.11. Requirements for the quality of concrete surfaces and appearance slabs (including the requirements for the permissible width of technological cracks) - in accordance with GOST 13015.0 and this standard.

13.12. The quality of the concrete surfaces of the slabs must meet the requirements established for the categories:

A3 - lower (ceiling);

A7 - top and side.

By agreement between the manufacturer and the consumer, the plates can be installed instead of the following categories of surfaces:

A2 - lower (ceiling), prepared for painting;

A4 - the same, prepared for wallpapering or decorative trim pasty compositions, and the top, prepared for coating with linoleum;

A6 - lower (ceiling), to which there are no requirements for the quality of the finish.

1.3.13. Cracks are not allowed in the concrete of the slabs supplied to the consumer, with the exception of shrinkage and other surface technological cracks not more than 0.3 mm wide on the upper surface of the slabs and not more than 0.2 mm - on the side and bottom surfaces of the slabs.

1.3.14. Reinforcement exposure is not allowed, with the exception of reinforcement protrusions or the ends of prestressing reinforcement, which should not protrude beyond the end surfaces of the plates by more than 10 mm and should be protected by a layer cement-sand mortar or bituminous varnish.

1.4. Marking

2.3. Slabs in terms of accuracy of geometric parameters, thickness of the protective layer of concrete to reinforcement, width of opening of technological cracks and category concrete surface should be taken according to the results of sampling.

2.4. The porosity (volume of intergranular voids) of the compacted mixture of lightweight concrete should be determined at least once a month.

2.5. In the document on the quality of slabs intended for operation in conditions of exposure to aggressive environments, the concrete grade for water resistance must be additionally given (if this indicator is specified in the order for the production of slabs).

3. CONTROL METHODS

3.1. Load tests of plates to control their strength, stiffness and crack resistance should be carried out in accordance with the requirements of GOST 8829 and the working drawings of these plates.

3.2. The strength of concrete slabs should be determined according to GOST 10180 on a series of samples made from concrete mix working composition and stored under the conditions established by GOST 18105.

When determining the strength of concrete by methods non-destructive testing the actual transfer and release strengths of concrete in compression are determined by the ultrasonic method according to GOST 17624 or by mechanical action devices according to GOST 22690. It is allowed to use other non-destructive testing methods provided for by the standards for concrete testing methods.

3.3. The frost resistance of concrete slabs should be determined according to GOST 10060 or by the ultrasonic method according to GOST 26134 on a series of samples made from concrete mix of the working composition.

3.4. The water resistance of concrete slabs intended for operation under conditions of exposure to an aggressive environment should be determined in accordance with GOST 12730.0 and GOST 12730.5.

3.5. The average density of light and dense silicate concrete should be determined according to GOST 12730.0 and GOST 12730.1 or by radioisotope method according to GOST 17623.

3.6. The porosity indicators of a compacted mixture of lightweight concrete should be determined in accordance with GOST 10181.0 and GOST 10181.3.

3.7. Control of welded reinforcing and embedded products - according to GOST 10922 and GOST 23858.

3.8. The tension force of the reinforcement, controlled at the end of the tension, is measured according to GOST 22362.

3.9. The dimensions of the slabs, deviations from the straightness and flatness of the surfaces of the slabs, the width of the opening of technological cracks, the dimensions of the shells, sagging and around the concrete of the slabs should be determined by the methods established by GOST 26433.0 and GOST 26433.1.

3.10. The dimensions and position of reinforcing and embedded products, as well as the thickness of the concrete protective layer to the reinforcement should be determined in accordance with GOST 17625 and GOST 22904. In the absence of the necessary instruments, the cutting of furrows and the exposure of the reinforcement of the slabs are allowed, followed by the sealing of the furrows. Furrows should be punched at a distance from the ends, not exceeding 0.25 of the length of the plate.

4. TRANSPORT AND STORAGE

4.1. Transportation and storage of plates - in accordance with GOST 13015.4 and this standard.

4.2. Boards should be transported and stored in stacks laid in a horizontal position.

On specialized vehicles, it is allowed to transport plates in an inclined or vertical position.

4.3. The height of the stack of plates should not exceed 2.5 m.

4.4. Liners for the bottom row of plates and gaskets between them in a stack should be located near the mounting loops.

ANNEX 1

LIST OF DIMENSIONS AND SERIES OF WORKING DRAWINGS OF PLATES OF MASS APPLICATION

Table 4

Plate size	Designation of a series of working drawings of plates






	1.241-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pv; 1.090.1-5s
	1.241-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pv; 1.090.1-5s






	1.241-1; 1.090.1-1
	1.241-1; 1.090.1-1



	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-30; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s; 1.141.1-32s


	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s; 1.090.1-2s; 1.090.1-3pv; 1.090.1-5s
	1.141-1; 1.141.1-33s; 1.090.1-2s; 1.090.1-3pv; 1.090.1-5s
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s; 1.141.1-32s










	1.141-1; 1.141.1-33s



	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s; 1.141.1-30
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141.1; 1.141.1-33s; 1.141.1-30
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s; 1.141.1-32s

















	1.141-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pv; 1.090.1-5s

STATE STANDARD

UNION SSR

MULTI-HOLLOW FOR BUILDINGS

AND FACILITIES

TECHNICAL CONDITIONS

GOST 9561-91

Official edition

USSR STATE COMMITTEE FOR CONSTRUCTION

AND INVESTMENT

GSTATE STANDARD OF THE UNION OF THE SSR

___________________________________________________________

REINFORCED CONCRETE FLOOR PLATES

MULTI-HOLLOW FOR BUILDINGS AND

FACILITIES GOST

Technicalconditions 9561 - 91

Reinforced concrete multihollow panels

for floors in buildings. Specifications

Date of introduction 01.01.92

This standard applies to reinforced concrete multi-hollow slabs (hereinafter referred to as slabs) made from heavy, light and dense silicate concrete and intended for the bearing part of floors of buildings and structures for various purposes.

The plates are used in accordance with the instructions of the working drawings of the plates and additional requirements specified when ordering these structures.

1 . TECHNICAL REQUIREMENTS

1.1. Plates should be manufactured in accordance with the requirements of this standard and technological documentation approved by the manufacturer, according to the working drawings of standard structures (see Appendix 1) or projects of buildings (structures).

1.2. Main parameters and dimensions

1.2.1. Plates are divided into types:

1pc - 220 mm thick with round voids with a diameter of 159 mm. designed to support on two sides;

1PKT - the same, for support on three sides;

1PKK - the same, for support on four sides;

2pcs - 220 mm thick with round voids 140 mm in diameter, designed to be supported on two sides;

2PKT - the same, for support on three sides;

2PKK - the same for support on four sides;

3pcs - 220 mm thick with round voids 127 mm in diameter, designed to be supported on two sides;

3PKT - the same, for support on three sides;

3PKK - the same, for support on four sides;

4PK - 260 mm thick with round voids with a diameter of 159 mm and cutouts in the upper zone along the contour, designed to be supported on two sides;

5PC - 260 mm thick with round voids 180 mm in diameter, designed to be supported on two sides;

6PK - 300 mm thick with round voids 203 mm in diameter, designed to be supported on two sides;

7PK - 160 mm thick with round voids 114 mm in diameter, designed to be supported on two sides;

PG - 260 mm thick with pear-shaped voids, designed to be supported on two sides;

PB - 220 mm thick, manufactured by continuous molding on long stands and designed to be supported on two sides.

1.2.2. The shape and coordination length and width of the slabs (with the exception of PB type slabs) must correspond to those given in Table. 1 and damn. 1-3. For buildings (structures) with a design seismicity of 7 points or more, it is allowed to manufacture slabs having a shape that differs from that indicated in the drawing. 1-3.

1.2.3. The structural length and width of the slabs (with the exception of PB type slabs) should be taken equal to the corresponding coordination size (Table 1), reduced by the value a 1 (gap between adjacent plates) or a 2 (the distance between adjacent slabs if there is a separating element between them, for example, an anti-seismic belt, ventilation ducts, a crossbar rib), or increased by a value a 3 (for example, for slabs supported on the entire thickness of the walls of the staircase of buildings with transverse load-bearing walls). Values a 1 , a 2 and a 3 , are given in table. 2.

1.2 4. The shape and dimensions of PB-type plates must comply with the established working drawings of the plates, developed in accordance with the parameters of the molding equipment of the manufacturer of these plates.

Table 1

	Drawing number	Coordination dimensions plates, mm
plates	plates	Length	Width
		From 2400 to 6600 incl. with an interval of 300, 7200, 7500	1000, 1200, 1500, 1800, 2400, 3000, 3600
			1000, 1200, 1500
		From 3600 to 6600 incl. with an interval of 300, 7200, 7500
		From 2400 to 3600 incl. with an interval of 300	From 4800 to 6600 incl. with an interval of 300, 7200
		From 2400 to 6600 incl. with an interval of 300, 7200, 9000	1000, 1200, 1500
		6000, 9000, 12000	1000, 1200, 1500
			1000, 1200, 1500
		From 3600 to 6300 incl. with an interval of 3000	1000, 1200, 1500, 1800
		6000, 9000, 12000	1000, 1200, 1500

Note. For the length of the plates take:

the size of the side of the slab not supported by the supporting structures of the building (structure) - for slabs intended to be supported on two or three sides;

the smaller of the dimensions of the slab in plan - for slabs intended to be supported along the contour.

Plate types 1pc, 2pc, 3pc, 5pc, 6pc, 7pc

Plates of types 1PKT, 2PKT, 3PKT

Plates of types 1PKK, 2PKK, 3PKK

Stove type 4pcs

Stove type PG

Crap. 3

Notes to hell. 1-3

1. Plates of types 1PKT, 2PKT, 3PKT, 1PKK, 2PKK and 3PKK can have technological bevels along all side faces.

2. Ways to reinforce the ends of the plates are shown in drawings 1-3 as an example. It is allowed to use other methods of reinforcement, including a decrease in the diameter of the voids through one on both supports without sealing the opposite ends of the voids.

3. The dimensions and shape of the groove along the longitudinal upper edge of the plates of types 1PKT, 2PKT and 3PKT (Fig. 1b) and along the contour of the plates of type 4PK (Fig. 2) are established in the working drawings of the plates.

4. In slabs intended for buildings (structures) with an estimated seismicity of 7-9 points, extreme voids may be absent due to the need to install embedded products or release reinforcement for connections between slabs, walls, anti-seismic belts.

table 2

Scope of plates	Additional dimensions taken into account when determining the structural size of the slab, mm
	length			width a 1
	a 1	a 2	a 3
Large-panel buildings, including buildings with an estimated seismicity of 7-9 points Buildings (structures) with walls made of bricks, stones and blocks, with the exception of buildings (structures) with an estimated seismicity of 7-9 points Buildings (structures) with walls made of bricks, stones and blocks with an estimated seismicity of 7-9 points Frame buildings (structures), including buildings (structures) with an estimated seismicity of 7-9 points				10 - for slabs with a coordination width of less than 2400. 20 - for slabs with a coordination width of 2400 or more

1.2.5. Voids in slabs intended to be supported on two or three sides should be parallel to the direction in which the length of the slabs is determined. In slabs intended to be supported on four sides, voids should be placed parallel to either side of the slab contour.

The nominal distance between the centers of voids in slabs (with the exception of slabs of types PG and PB) should be taken at least, mm:

185 - in plates of types 1PK, 1PKT, 1PKK, 2PK, 2PKT, 2PKK, 3PK, 3PKT, 3PKK and 4PK;

235 - in plates of type 5PK;

233""" 6pcs;

139""" 7pcs.

The distance between the void centers of slabs of types PG and PB is assigned in accordance with the parameters of the molding equipment of the manufacturer of these slabs.

1.2.6. The slabs should be made with recesses or grooves on the side faces for the formation of discontinuous or continuous dowels after embedding, which ensure the joint operation of the floor slabs for shear in the horizontal and vertical directions.

1.2.7. Slabs intended to be supported on two or three sides should be prestressed. Plates with a thickness of 220 mm, a length of less than 4780 mm, with voids with a diameter of 159 and 140 mm and plates with a thickness of 260 mm, with a length of less than 5680 mm, as well as plates with a thickness of 220 mm, of any length, with voids with a diameter of 127 mm, it is allowed to manufacture with non-tensioned reinforcement .

1.2.8. Plates should be made with reinforced ends. Strengthening the ends is achieved by reducing the cross section of the voids on the supports or by filling the voids with concrete or concrete liners (Fig. 1-3). When the calculated load on the ends of the plates in the area of \u200b\u200bsupport of the walls does not exceed 1.67 MPa (17 kgf / cm 2), it is allowed, by agreement between the manufacturer and the consumer, to supply plates with non-reinforced ends.

Strengthening methods and minimum dimensions of seals are set in the working drawings or indicated when ordering plates.

1.2.9. In cases provided for by the working drawings of a particular building (structure), slabs may have embedded products, reinforcement outlets, local cuts, holes and other additional structural details.

1.2.10. For lifting and mounting of plates, mounting loops or special gripping devices are used, the design of which is established by the manufacturer in agreement with the consumer and the design organization - the author of the building (structure) project. The location and dimensions of the holes in the slabs provided for loopless mounting are taken according to the drawings included in the design documentation of the gripping device for these slabs.

1.2.11. Consumption rates of concrete and steel on the slabs must correspond to those indicated in the working drawings of these slabs, taking into account possible clarifications made by the design organization in the prescribed manner.

1.2.12. Plates are used taking into account their fire resistance limit specified in the working drawings of the plates.

1.2.13. Plates are marked with marks in accordance with the requirements of GOST 23009. The plate mark consists of alphanumeric groups separated by hyphens.

In the first group, indicate the designation of the type of slab, the length and width of the slab in decimeters, the values of which are rounded up to an integer.

In the second group indicate:

design load on the slab in kilopascals (kilogram-force per square meter) or serial number of the slab in terms of bearing capacity;

steel class of prestressed reinforcement (for prestressed slabs);

type of concrete ( L - lightweight concrete, C - dense silicate concrete; heavy concrete is not indicated).

In the third group, if necessary, additional characteristics are indicated that reflect the special conditions for the use of plates (for example, their resistance to aggressive gaseous media, seismic effects), as well as the designation of the design features of the plates (for example, the presence of additional embedded products).

Symbol example(brands) of type 1PK slabs, 6280 mm long, 1490 mm wide, designed for a design load of 6 kPa, made of lightweight concrete with prestressing reinforcement of class At-V:

1PK63.15-6A T VL

The same, made of heavy concrete and intended for use in buildings with a design seismicity of 7 points:

1PK63.15-6A T V-C7

Note. It is allowed to accept the designation of slab grades in accordance with the working drawings of slabs until they are revised.

1 .3 Characteristics

1. 3.1. Plates must meet the requirements for strength, rigidity, crack resistance established during design and, when tested by loading in cases provided for by working drawings, withstand control loads.

1.3.2. Plates must meet the requirements of GOST 13015.0:

in terms of the actual strength of concrete (at the design age, transfer and temper age);

in terms of frost resistance of concrete, and for slabs operated under conditions of exposure to an aggressive gaseous environment, also in terms of water resistance of concrete;

according to the average density of lightweight concrete;

to steel grades for reinforcing and embedded products, including mounting loops;

by deviations of the thickness of the protective layer of concrete to reinforcement;

for corrosion protection.

The slabs used as the bearing part of the loggias must also meet the additional requirements of GOST 25697.

1.3.3. Slabs should be made of heavy concrete in accordance with GOST 26633, structural lightweight concrete of a dense structure with an average density of at least 1400 kg / m 3 in accordance with GOST 25820 or dense silicate concrete of an average density of at least 1800 kg / m 3 in accordance with GOST 25214 strength classes or grades for compression specified in the working drawings of these plates.

1.3.4. Compression forces (reinforcement tension release) are transferred to concrete after it reaches the required transfer strength.

1.3.5. The normalized tempering strength of concrete of prestressed slabs made of heavy or lightweight concrete for the warm period of the year should be equal to the normalized transfer strength of concrete, and slabs with non-stressed reinforcement - 70% of the compressive strength of concrete corresponding to its class or brand. When supplying these slabs in the cold season or to ensure their safety during transportation by rail during the warm season (as agreed between the manufacturer and the consumer of the slabs), the normalized tempering strength of concrete can be increased up to 85% of the compressive strength of concrete corresponding to its class or brand.

The normalized tempering strength of concrete of slabs of dense silicate concrete should be equal to 100% of the compressive strength of concrete corresponding to its class or grade.

1.3.6. For reinforcing plates, reinforcing steel of the following types and classes should be used:

as prestressing reinforcement - thermomechanically hardened rod classes At-IV, At-V and At-VI according to GOST 10884 (regardless of weldability and increased resistance to corrosion cracking of reinforcement), hot-rolled rod classes A-IV, A-V and A-VI in accordance with GOST 5781, reinforcing ropes of class K-7 in accordance with GOST 13840, high-strength wire of a periodic profile of class Vr-II in accordance with GOST 7348, class Vr-600 wire in accordance with TU 14-4-1322 and bar reinforcement of class A-IIIv, made of reinforcing steel class A-III according to GOST 5781, hardened hood with control of stress and ultimate elongation;

as non-tensioned reinforcement - hot-rolled rod-nevy periodic profile of classes A-II, A-III and smooth class A-I according to GOST 5781, wire of a periodic profile of class Vr-I according to GOST 6727 and class Vr-600 according to TU 14-4- 1322.

In slabs produced by the methods of continuous formless molding on long stands, continuous reinforcement, as well as using multi-temperature electro-thermal tension, high-strength wire reinforcement according to GOST 7348 and ropes according to GOST 13840 are used.

1. 3.7. The shape and dimensions of reinforcing and embedded products and their position in the slabs must correspond to those indicated in the working drawings of these slabs.

1.3.8. Welded reinforcing and embedded products must comply with the requirements of GOST 10922.

1.3.9. The stress values in the prestressed reinforcement, controlled after its tensioning on the stops, must correspond to those indicated in the working drawings of the plates.

The values of the actual stress deviations in the prestressed reinforcement should not exceed the limit values specified in the working drawings of the plates.

1 .3.10 The values of the actual deviations of the geometric parameters of the plates should not exceed the limit values indicated in Table. 3.

Table 3

The name of the deviation of the geometric parameter	Name geometric parameter	Previous off
Deviation from linear dimension	Plate length and width: up to 2500 incl. St. 2500 to 4000 incl. St. 4000 to 8000 incl. Plate thickness Size defining position: holes and cutouts embedded products: in the plane of the slab from the plate plane
Deviation from the straightness of the profile of the upper surface of the slab, intended for direct linoleum sticker, as well as the profile of the side faces of the slab at a length of 2000
Deviation from the flatness of the front lower (ceiling) surface of the slab when measured from the conditional plane passing through three corner points of the slab with a length of:

* The deviation from the size that determines the position of the embedded product from the upper plane of the slabs intended for direct linoleum gluing should be only inside the slab.

1.3.11. Requirements for the quality of concrete surfaces and the appearance of the slabs (including the requirements for the permissible width of the opening of technological cracks) - in accordance with GOST 13015.0 and this standard.

13.12 . The quality of the concrete surfaces of the slabs must meet the requirements established for the categories:

A3 - lower (ceiling);

A7 - top and side.

By agreement between the manufacturer and the consumer, the plates can be installed instead of the following categories of surfaces:

A2 - lower (ceiling), prepared for painting;

A4 - the same, prepared for wallpapering or decorative finishing with pasty compositions, and the top, prepared for linoleum coating;

A6 - lower (ceiling), to which there are no requirements for the quality of the finish.

1 .3.13. In the concrete of the slabs supplied to the consumer, cracks are not allowed, with the exception of shrinkage and other surface technological cracks with a width of not more than 0.3 mm on the upper surface of the slabs and not more than 0.2 mm - on the side and bottom surfaces of the slabs.

1.3.14. Reinforcement exposure is not allowed, with the exception of reinforcement protrusions or the ends of prestressing reinforcement, which should not protrude beyond the end surfaces of the slabs by more than 10 mm and should be protected by a layer of cement-sand mortar or bituminous varnish.

1.4. Marking

Marking of plates - in accordance with GOST 13015.2. Markings and signs should be applied to the side faces or the top surface of the slab.

On the upper surface of the slab supported on three sides, the signs "Bearing place" in accordance with GOST 13015.2 should be applied, located in the middle at each side of the slab support.

2. ACCEPTANCE

2.1. Acceptance of plates - in accordance with GOST 13015.1 and this standard. In this case, the plates are accepted according to the results:

periodic tests - in terms of strength, stiffness and crack resistance of slabs, frost resistance of concrete, porosity (volume of intergranular voids) of a compacted mixture of lightweight concrete, as well as water resistance of concrete slabs intended for operation in an aggressive environment;

acceptance tests - in terms of concrete strength (class or grade of concrete in terms of compressive strength, transfer and tempering strengths), average density of light or dense silicate concrete, compliance of reinforcing and embedded products with working drawings, strength of welded joints, accuracy of geometric parameters, thickness of the protective layer concrete to reinforcement, the width of the opening of technological cracks and the category of the concrete surface.

2.2. Periodic loading tests of plates to control their strength, stiffness and crack resistance are carried out before the start of their mass production and later - when structural changes are made to them and when manufacturing technology is changed, as well as in the process of serial production of plates at least once a year. Load testing of plates in the event of structural changes being made to them and in case of a change in manufacturing technology, depending on the nature of these changes, may not be carried out in agreement with the design organization - the developer of the working drawings of the plates.

Testing of plates with a length of 5980 mm or less during their mass production may not be carried out if non-destructive testing is carried out in accordance with the requirements of GOST 13015.1.

2.3. Slabs in terms of the accuracy of geometric parameters, the thickness of the concrete protective layer to the reinforcement, the width of the opening of technological cracks and the category of the concrete surface should be taken according to the results of selective control.

2.4. The porosity (volume of intergranular voids) of a compacted mixture of lightweight concrete should be determined at least once a month.

2.5. And the document on the quality of slabs intended for operation in conditions of exposure to aggressive environments, in addition, the concrete grade for water resistance should be given (if this indicator is specified in the order for the production of slabs).

3. CONTROL METHODS

3.1. Load testing of plates to control their strength, stiffness and crack resistance should be carried out in accordance with the requirements of GOST 8829 and the working drawings of these plates.

3.2. The strength of concrete slabs should be determined in accordance with GOST 10180 on a series of samples made from a concrete mixture of the working composition and stored under the conditions established by GOST 18105.

When determining the strength of concrete by non-destructive testing methods, the actual transfer and tempering compressive strengths of concrete are determined by the ultrasonic method in accordance with GOST 17624 or mechanical action devices in accordance with GOST 22690. It is allowed to use other non-destructive testing methods provided for by the standards for concrete testing methods.

3.3. The frost resistance of concrete slabs should be determined according to GOST 10060 or by the ultrasonic method according to GOST 26134 on a series of samples made from a concrete mix of the working composition.

3.4. The water resistance of concrete slabs intended for use in an aggressive environment should be determined in accordance with GOST 12730.0 and GOST 12730.5.

3.5. The average density of light and dense silicate concrete should be determined according to GOST 12730.0 and GOST 12730.1 or by radioisotope method according to GOST 17623.

3.6. The porosity indicators of a compacted mixture of lightweight concrete should be determined in accordance with GOST 10181.0 and GOST 10181.3.

3.7. Control of welded reinforcing and embedded products - according to GOST 10922 and GOST 23858.

3.8. The tension force of the reinforcement, controlled at the end of the tension, is measured according to GOST 22362.

3. 9. The dimensions of the slabs, deviations from the straightness and flatness of the surfaces of the slabs, the width of the opening of technological cracks, the dimensions of the shells, sagging and around the concrete of the slabs should be determined by the methods established by GOST 26433.0 and GOST 26433.1.

3 .10. The dimensions and position of reinforcing and embedded products, as well as the thickness of the concrete protective layer to the reinforcement, should be determined in accordance with GOST 17625 and GOST 22904. In the absence of the necessary devices, cutting grooves and exposing the reinforcement of the slabs with subsequent sealing of the grooves are allowed. Furrows should be punched at a distance from the ends, not exceeding 0.25 of the length of the plate.

4 TRANSPORT AND STORAGE

4 .1. Transportation and storage of plates - in accordance with GOST 13015.4 and this standard.

4 .2. Boards should be transported and stored in stacks laid in a horizontal position.

On specialized vehicles, it is allowed to transport plates in an inclined or vertical position.

4 .3. The height of the stack of plates should not exceed 2.5 m.

4.4 . Liners for the bottom row of plates and gaskets between them in a stack should be located near the mounting loops.

LIST OF SIZES AND SERIES

WORKING DRAWINGS OF PLATES OF MASS APPLICATION

Table 4

Plate size	Designation of a series of working drawings of plates


	1.241-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pv;
	1.141-18s; 1.141.1-25s;

	1.241-1; 1.090.1-1


	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-30;
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s;
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s; 1.090.1-2s; 1.090.1-3pv;
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s;


	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s;
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141.1; 1.141.1-33s;
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s;





	1,141-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pv;

	1.141.1-28s; 1.141.1-29s


	1.141-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pv;

	1.141.1-28s; 1.141.1-29s
	141; E-600; E-600IV; E600II TsNIIEP dwellings

	135 KB for reinforced concrete them. A. A. Yakusheva


	86-3191/1 TsNIIEP commercial buildings and tourist complexes


	86-3191/1 TsNIIEP commercial buildings and tourist complexes

	86-3191/1 TsNIIEP commercial buildings and tourist complexes










	28-87 Central Research Institute of Industrial Buildings

FIELD OF APPLICATION OF PLATES OF VARIOUS TYPES

Table 5

Plate type	Reduced slab thickness, m	Average density of concrete slab, kg / m 3	Plate length, m	Building characteristics (structures)
			Up to 7.2 incl.	Residential buildings in which the required sound insulation of residential premises is provided by the installation of hollow, floating, hollow-core layered floors, as well as single-layer floors on a leveling screed
			Up to 9.0 incl.
			Up to 7.2 incl.	Residential buildings in which the required sound insulation of residential premises is provided by the installation of single-layer floors
			Up to 6.3 incl.	Residential large-panel buildings of the 135 series, in which the required sound insulation of the premises is provided by the installation of single-layer floors
			Up to 9.0 incl.	Public and industrial buildings(structures)



			Up to 7.2 incl.	Residential buildings low-rise and estate type

APPENDIX 3

Reference

TERMS USED IN ANNEX 2 AND THEIR EXPLANATIONS

Table 6

Term	Explanation
single layer floor	Floor consisting of a coating (linoleum on a heat and sound insulating base) laid directly on the floor slabs or on a leveling screed
Single layer floor on leveling screed	Floor consisting of a coating (linoleum on a heat and sound insulating base) laid on a leveling screed
hollow floor	Floor, consisting of a hard coating on the logs and soundproof gaskets laid on the floor slabs
Hollow-free layered floor	A floor consisting of a hard coating and a thin soundproofing layer laid directly on the floor slabs or on a leveling screed
floating floor	Floor consisting of a coating, a rigid base in the form of a monolithic or prefabricated screed and a continuous soundproof layer of resiliently soft or loose materials laid on floor slabs

INFORMATION DATA

1 . DEVELOPED AND INTRODUCED by the State Committee for Architecture and Urban Planning under the Gosstroy of the USSR (Goskomarchitectura) and the Central Research and Design and Experimental Institute of Industrial Buildings and Structures (TsNIIpromzdaniy) of the USSR Gosstroy

DEVELOPERS

L. S. Exler; A. A. Muzyko (theme leaders); I. I. Podguzova; A. A. Tuchnin, Ph.D. tech. sciences; E. N. Kodysh, Ph.D. tech. sciences; I. B. Baranova; V. G. Kramar, Ph.D. tech. sciences; G. I. Berdichevsky, Doctor of Engineering sciences; V. L. Morozensky, Ph.D. tech. sciences; Yu. Ts. Khodosh; B. V. Karabanov, Ph.D. tech. sciences;

V. V. Sedov; E. L. Shakhova; B. N. Petrov; I. Z. Gilman; G. V. Turmanidze; N. A. Kapanadze; B. V. Kroshkov; V. I. Pimenov; V. I. Denshchikov

2. APPROVED AND INTRODUCED BY Decree No. 5 of the USSR State Committee for Construction and Investment dated September 20, 1991

3 . INSTEAD OF GOST 9561-76 and GOST 26434-85 in terms of types, main dimensions and parameters of hollow-core slabs

4. REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS

Designation of NTD,

Item number

Designation of NTD,

Numberitem

GOST 5781-82

GOST 6727-80

GOST 7348-81

GOST 8829-85

GOST 10060-87

GOST 10180-90

GOST 10181.0-81

GOST 10181.3-81

GOST 10884-81

3* RUB BZ s-#1/911

STATE STANDARD

UNION SSR

REINFORCED CONCRETE MULTI-HOLLOW FLOOR PLATES FOR BUILDINGS AND STRUCTURES

TECHNICAL CONDITIONS

GOST 9561-91

Official edition

USSR STATE COMMITTEE FOR CONSTRUCTION

AND INVESTMENT

UDC 691.328:006.354 ZhZZ group

STATE STANDARD OF THE UNION OF THE SSR

REINFORCED CONCRETE MULTI-HOLLOW FLOOR PLATES FOR BUILDINGS AND STRUCTURES

Specifications

Reinforced concrete multihollow panels for floors in buildings. Specifications

Date of introduction 01.01.92

Plates are used in accordance with the instructions of the working drawings of the plates and additional requirements specified when ordering these structures.

1. TECHNICAL REQUIREMENTS

1.1. Plates should be manufactured in accordance with the requirements of this standard and the technological documentation approved by the manufacturer, according to the working drawings of standard structures (see Appendix 1) or projects of buildings (structures).

1.2. Main parameters and dimensions

1.2.1. Plates are divided into types:

1G1K - 220 mm thick with round voids 159 mm in diameter, designed to be supported on two sides;

1PKT - the same, for support on three sides;

1PKK - the same, for support on four sides;

Official edition

<6) Издательство стандартов, 1992

This standard cannot be fully or partially reproduced" replicated and distributed without the permission of the Gosstroy of the USSR

2pcs - 220 mm thick with round voids 140 mm in diameter, designed to be supported on two sides;

2PKT - the same, for support on three sides;

2PKK - the same, for support on four sides;

ZPK - 220 mm thick with round voids 127 mm in diameter, designed to be supported on two sides;

ZPKT - the same, for support on three sides;

ZPKK - the same, for support on four sides;

4PK - 260 mm thick with round voids with a diameter of 159 mm and cutouts in the upper zone along the contour, designed to be supported on two sides;

5PC - 260 mm thick with round voids with a diameter of 180 mm, designed to be supported on two sides;

6pcs - 300 mm thick with round voids with a diameter of 203 mm, designed to be supported on two sides;

7PK - 160 mm thick with round voids 114 mm in diameter, designed to be supported on two sides;

PG - 260 mm thick with pear-shaped voids, designed to be supported on two sides;

PB - 220 mm thick, manufactured by continuous molding on long stands and designed to support the cue on two sides.

1.2.2. The shape and coordination length and width of the slabs (with the exception of PB type slabs) must correspond to those given in Table. 1 and damn. 1-3. For buildings (structures) with a design seismicity of 7 points or more, it is allowed to manufacture slabs having a shape that differs from that indicated in the drawing. 1-3.

1.2.3. The structural length and width of the slabs (with the exception of slabs of the PB type) should be taken equal to the corresponding coordination dimension (Table 1), reduced by the value a\ (gap between adjacent slabs) or ao (distance between adjacent slabs if there is a separating element between them, for example , anti-seismic belt, ventilation ducts, crossbar ribs), or increased by a 3 (for example, for slabs supported on the entire thickness of the walls of the staircase of buildings with transverse load-bearing steppes). The values of a b I 2 and a 3 are given in Table. 2.

1.2.4. The shape and dimensions of PB-type slabs must correspond to the established working drawings of the slabs, developed in accordance with the parameters of the molding equipment of the manufacturer of these slabs.

Table I

	Coordmmatsvomvma sizes of jaspers. mi

	From 2400 to 0600 "key, with it * tgraalim 300. 7200, 7500	1000. 1200. 1500. \|» Yu. 24001 JC.X). 3600
		1000. 1200. 1509
	From 3600 to 6600 ah. with no praal 300. 7200. 7500	From 2400 to 3600 rolls.< и»* тсрвалом 300
(pc to apkk	From 2400 to 3600 ashpo. with mm* irpiaiou 300	From 4800 to 6609 and the key? ii~a fault 300 7200
	244)0 to 6600 N/A from km* >swa~chom 300. 7200. 9000	1000. 1200. 1500
	LOOO; 9000; 12000	1000, 1200. 1500
		1000, 1200. 1500
	From 3600 to 6300 microkeys. with an interval of 300	i000. 1200. 1500, \W
	6000, 9000. 12000	100i. 1200. 1500

Note For lengths / slabs prknyi ^ g:

the size of the side is poured, and * based on the dry land * "ois / uukdmya alshma (structures) - for pdnt, and r< ; м>-rony;

throwing from the dimensions of the vlite "shsh-s * vlit, dda mv" *

in contour

Ptitshtv Yun. 7PK.ZPK. 5LKMSSH

Understand types JUNG, 2PK7, ZLIT

Poits of MNI types,

gpkp.zpkk

Stove type 4pcs

Plsha walked PG

With swords" to hell. 1-3

I. Many types 1PKT, 2PKT, ZG1KT, 1PKK, 2PKK and ZPKK can have bevels along the side galleys.

2 Sp ^ n Li amplification of tori he plates are shown in hell. I-3 as per* pearl. .ItmvcKacfCR the use of other methods of telepathy, including reducing the diameter of the voids through writing on both supports without a deposit of the opposite * nnd comp puetog.

3. Pmacpj n the shape of the groove along the longitudinal upper edge of slabs of types 1PKT, 2PKT n ZPKT (Fig. 16) and along the contour of slabs of type 4PK (Fig. 2) the mouth * is called out in the working drawings of the slabs.

4. II slabs intended for buildings (structures) with a design seismicity of 7-9 points, extreme voids may be absent, with the need to install embedded products kin of reinforcement for connections between slabs, walls. anti-seismic belts.

table 2

	Additional* dimensions taken into account when determining the structural size of the slab, mm
Sweep Arichim Mitt

Large-panel buildings. and yum members of the building with an estimated seismicity of 7-9 points		10 - for slabs with coordination width less than 2400. 20 -* for slabs
L gaina (structures) with walls made of bricks, stones and blocks, with the exception of buildings (co-organ> gein) with a calculated seismicity of 7-Ch points		coordination width of 2400 or more
Buildings (structures) with walls made of bricks, stones and blocks with an estimated seismicity of 7-9 points
K with p * as and ys of evil (construction-HMiH, including buildings (structures) with an estimated seismicity of 7-9 points

12.5. The voids in the slabs intended to be cut along three or three sides should be placed parallel to the * group, by which the length of the slabs is determined. In slabs intended for support on four sides, voids should be located parallel to either side of the slab outline.

The nominal distance between the centers of voids in the slabs (with the exception of slabs of types PG and PB) should be taken at least, mm

165- and plates like "1PK. 1PKT. 1PKK. 2PK, 2PKT, 2PKK. ZPK. ZPKT. ZPKK and 4PK:

£3.$- » slabs type 5pcs;

23,"" * * * 6pcs;

139 » * * GPC.

The distance between the centers of voids of plates of types G1G n G1G> ml is determined in accordance with the parameters of the molding equipment of the manufacturer of these plates.

1.2.6. The slabs should be made with recesses or grooves on the side faces for the formation of intermittent or continuous dowels after monolithic ^ gmshn, which ensure the joint operation of the floor slabs for shear in the horizontal and “shortcut” directions.

By agreement between the manufacturers and the consumer and the design organization - the author of the project of a particular building (structure), it is allowed to manufacture plates without recesses or grooves for the formation of dowels.

1.2.7. Slabs intended to be supported on two or three sides should be made prestressed, Slabs 220 mm thick, less than 4780 mm long, with 159 and 140 mm diameter cleats and 260 mm thick slabs, less than 5680 mm long, as well as 220 mm thick slabs , of any length, with voids with a diameter of 127 mm, it is allowed to manufacture with stress-free reinforcement.

1.2.8. Plates should be headboarded with reinforced ends. Strengthening of the torssz reached ds;*.,; decrease cross section voids on supports or filling voids with concrete or concrete inserts (Fig. 1 - 3). With a calculated load on the ends of the idng in the area of \u200b\u200bsupporting the walls, not exceeding 1.67 MPa (17 kg / cm *), it is allowed, by agreement between the manufacturer and the consumer, to supply plates with unreinforced ends.

Strengthening methods and minimum dimensions of seals are indicated in the working drawings or indicated by law." ndit.

1.2.9. In cases provided for by the working drawing of a specific building (structure), slabs may have embedded products, reinforcement outlets, local cuts, holes for other additional structural details.

1.2.10. To lift and install the plates, they use chontzhmsh "hinges or special gripping devices, the design of which is established by the manufacturer according to the agreement with the consumer and the design organization - the author of the project angry and I (erase the fabric). The location and dimensions of the holes in the plate *, predetermine" o? turnips for bezpegly installation, accept according to drawings included in the design documentation of grippers* for these slabs.

1.2.11. Indicators of consumption of concrete and steel on slabs dreamtad

correspond to those indicated in the working drawing -** subsided al and r, taking into account possible clarifications made by nr<>some tools »

in a ha eaten time rke.

one ? 12 Plates are used taking into account - nr-ed., *> l Dt -: m: t and rolled in the working drawings of the plates.

1.2.13. Plates are marked with marks in accordance with the requirements of GOST 23009. The plate mark consists of alphanumeric groups separated by hyphens.

In the first group, indicate the designation of the type of plate, the length and width of the plate in decimeters, the value of which is rounded to the nearest whole number.

In the second group indicate:

calculated load on the slab in kilopscals (kilogram-force per square meter) or serial number of the slab in terms of bearing capacity;

steel class of prestressed reinforcement (for prestressed slabs);

type of concrete (L - lightweight concrete, C - dense silicate concrete; heavy concrete is not indicated).

An example of a symbol (brand) of a type 1PK slab, 6280 mm long, 1490 mm wide, designed for a design load of 6 kPa, made of lightweight concrete with prestressing reinforcement of class At-V:

t M K63J5-6AtVJ1

Also. made of heavy concrete and intended for use in buildings with a design seismicity of 7 points:

1PK63.15-6AtU-S7

Pg to 1 note

^'«■TCTtui I . working drawings of the slabs before their revision.

13 Characteristics

13 1. Plates must meet the requirements established during the design for strength, rigidity, crack resistance and, in the case of their loading, in the cases provided for (-work drawings), withstand control loads.

1.3 "£ Plates must meet the requirements of GOST 13015.0:

to indicators of the actual strength of concrete (at the design age, transfer and temper);

in terms of frost resistance of concrete, and for slabs operated under the conditions of exposure to an aggressive gaseous environment, also in terms of waterproof CC of concrete;

Fri. with light concrete density massacre:

- steel grades for reinforcing and embedded products, including

mounting loop chip;

by deviations in the thickness of the protective layer of concrete up to the yoke;

for corrosion protection.

The slabs used as the bearing part of the loggias must also meet the additional requirements of GOST 25697.

1.3.3. Slabs should be made of heavy concrete in accordance with GOST 26633, structural lightweight concrete of a dense structure with an average density of at least 1 * 100 kg / m 1 in accordance with GOST 25820 or dense silicate concrete of an average density of at least 1600 kg / m * but GOST 25214 strength classes or grades for compression specified in the working drawings of these plates.

1.3.4. Compression forces (reinforcement tension release) are transferred to beta after it reaches the required transfer strength.

The normalized transfer strength of concrete of prestressed slabs, depending on the class or brand of concrete in terms of compressive strength, type and class of prestressed reinforcing steel, must correspond to that indicated in the working drawings of these slabs.

1.3.5. The normalized tempering strength of concrete of prestressed slabs made of heavy or light bayun.t for the warm period of the year should be equal to the normalized transfer strength of concrete, and slabs with non-pressure reinforcement - 70% of the compressive strength of concrete corresponding to its class or grade. Upon delivery of these plates » cold period of the year or for<»беспечення сохранности их при перевозке железнодорожным транспортом в теплый период года (по согласованию м»жду изготовителем и потребителем плит) нормируемая отпуск! оя прочность бетона может быть повышена до 85% прочности бетона ид сжатие, соответствующей его классу или марке.

The normalized tempering strength of concrete of slabs of dense silicate concrete should be equal to 100% of the concrete's compressive strength, corresponding to its class or grade.

1.3.6. For reinforcing plates, reinforcing steel of the following VND n classes should be used:

as prestressing reinforcement - thermomechanically hardened rod classes At-IV, Ar-V and At-VI according to GOST 10881 (regardless of weldability and increased resistance to corrosion cracking of reinforcement), hot-rolled rod classes A-IV, AV and A-Vl according to GOST 57Н!, ditches kuh.wm kla ■ vz K 7 according to GOST 138-10. high-profile "oku g.erzo.sh-

Cheskogn profile class Br-N according to I (I T 73; Y, pr ^ gn l< & . сд

ilp-OOO according to TU I-4-GZ "-" 2 n first dryaguru k.ta<>-a L Shi,

manufactured ne apMaiypiioA steel class A-Ill according to GOST 5781 hardened hood with control of the stress value to the ultimate elongation:

as a stress-stressed reinforcement - hot-rolled rod of a periodic profile of classes A-ll. A * Sh and smooth class A-1 according to GOST 5781, a wire of a periodic profile of class Vr-1 according to GOST 6727 and class Vr COO according to TU 14-4-1322.

In slabs produced by methods of continuous formwork molding on long stands, continuous reinforcement, as well as using multi-temperature electrothermal tension, high-strength wire reinforcement according to GOST 7348 and ropes according to GOST 13840 are used.

1.3.7. The shape and dimensions of reinforcing and embedded products and their position in the slabs must correspond to those indicated in the working drawings of these slabs.

1.3.8. Welded reinforcing and embedded products must comply with the requirements of GOST 10922.

1.3.9. The stress values in the prestressing reinforcement, controlled after its tensioning on the stops, must correspond to those indicated in the working drawings of the plates.

The values of the actual stress deviations in the prestressed reinforcement should not exceed the limit values specified in the working drawings of the plates.

1.3.10. The values of the actual deviations of the geometric parameters of the plates should not exceed the limit values indicated in Table. 3.

Table 3

Continuation of the table. 3

* Deviation from the size that determines the position. outside the mortgage section, the upper plane of the slabs intended for it> the actual linoleum sticker should be only inside the slab.

1.3.11. Requirements for the quality of concrete surfaces and the appearance of the slabs (including the requirements for d "permissible width - opening of technological cracks) - according to GOST 13015.0 and this standard.

1.3.12. The quality of the concrete surfaces of the slabs must meet the requirements established for the category!

AZ - lower (ceiling);

A7 - top and side.

By agreement between the manufacturer and the consumer, 4 plates can / be installed instead of the following categories of surfaces:

A2 - lower (ceiling), prepared for painting;

A4 - the same, prepared for wallpapering or decorative finishing with pasty compositions, and the top, prepared for linoleum coating;

A6 - lower (ceiling), to which there are no requirements for the quality of the finish.

1.3.13. In the concrete of the slabs supplied to the consumer, cracks are not allowed, with the exception of shrinkage and other surface, technological cracks with a width of not more than 0.3 mm on the upper surface of the slabs and not more than 0.2 mm - on the side and bottom surfaces of the slabs.

1.3.14. Reinforcement exposure is not allowed, with the exception of reinforcement protrusions or the ends of prestressing reinforcement, which should not protrude beyond the end surfaces of the slabs by more than 10 mm and should be protected with oil of cement-sand mortar or bituminous varnish.

1.4. Marking

Marking of plates - in accordance with GOST 13015.2. Markings and signs should be applied to the side faces or the top surface of the slab.

On the upper surface of the slab, supported on three sides, the signs "Place of support" in accordance with GOST 13015.2 should be applied, located in the middle at each side of the scalder.

2. ACCEPTANCE

2.1. Acceptance of plates - in accordance with GOST 13015 1 and this standard. G1rp this plate is taken according to the results:

2.2. Periodic testing of plates by loading to control their strength, rigidity and crack resistance is carried out before the start of their mass production and further ~ when making changes to them and when changing m ^ x t # in, | OGI n production, as well as in the process of mass production tiles at least once a year. Load testing of plates in the event of structural changes being made to them and in case of a change in manufacturing technology, depending on the nature of these changes * o> can not be carried out in agreement with the design organization - the developer of the working drawings of the plates.

Testing of plates with a length of 5980 mm or less in the process of their mass production cho1 y g is not carried out if non-destructive con ((nmg "and in accordance with the requirements of PK * G J30I5 1.

2.3. Slabs in terms of the accuracy of geometric parameters, the thickness of the concrete protective layer to the reinforcement, the width of the opening of technological cracks and the category of the concrete surface should be taken according to the results of selective control.

2.4. The area (volume of intergranular voids) of the compacted mixture of lightweight concrete should be determined at least once a month.

3. CONTROL METHODS

3.1. Load tests of plates to control their strength, stiffness and crack resistance should be carried out in accordance with the requirements of GOST 8829 and the working drawings of these plates.

3.2. The strength of concrete slabs should be determined according to GOST 10380 for the chamois of samples made from a concrete mixture of the working composition and stored under conditions established by GOST 18105.

When determining the strength of concrete by non-destructive testing methods, the actual transfer and rebound compressive strengths of concrete are determined by the ultrasonic method according to GOST 17624 or by mechanical action devices according to GOST 22690. It is allowed to use other non-destructive testing methods provided for by the standards for concrete testing methods.

3.4. The water resistance of concrete slabs intended for use under conditions of exposure to an aggressive environment should be determined in accordance with GOST 12730.0 and GOST 12730.5.

3.5. The average density of light and dense silicate concrete should be determined according to GOST 12730.0 and GOST G2730.1 or by radioisotope method according to GOST 17623.

3.6. The porosity indicators of the compacted mixture of lightweight concrete should be determined! but GOST 10181.0 and GOST 10181.3.

3.7. Control of welded reinforcing and embedded products - according to GOST 10922 and GOST 23858.

3.8. The tension force of the reinforcement, controlled at the end of the tension, is measured according to GOST 22362.

3.9. The dimensions of the slabs, deviations from the straightness and flatness of the surfaces of the slabs, the width of the opening of technological sins, the dimensions of the shells, sagging and around the concrete of the slabs should be determined by the methods established by GOST 26433.0 and GOST 36433.1.

3.10. The dimensions and position of reinforcing and embedded products, as well as the thickness of the protective layer of concrete to the reinforcement, should be determined in accordance with GOST 17625 and GOST 22904. In the absence of the necessary devices, cutting furrows and exposing the reinforcement of the slabs with subsequent sealing of the furrows are allowed. The furrows should be punched at a distance from the ends not exceeding 0.25 l* of the slab.

4. TRANSPORT AND STORAGE

4.1. Transportation and storage of plates - in accordance with GOST 13015.4 and this standard.

4.2. Boards should be transported and stored in stacks laid in a horizontal position.

On specialized vehicles, it is allowed to transport plates in an inclined or vertical position.

4.3. The height of the stack of plates should not exceed 2.5 m.

4.4. Liners for the bottom row of plates and gaskets between them in a stack should be located near the mounting loops.

LIST OF DIMENSIONS AND A SERIES OF DESIGN DRAWINGS OF PLATES OF MASS APPLICATION

Table 4

TIPORAEMIR	Series designation 1 Dimension of working drawing! slabs a slabs
			1.141-1; 1.141.1-ZES
		1tK59.15 1PK59.12 1PK59.10	1.141-18s; 1.141 1-25s; 1.141.1-32s


	1.241-1; 1.090.1-I; one 1.090.1-2s; 1.090.1-Zp in;
		11 PK56.30 1PK56.15 1PK56.12 1PK56.9
	1.141-18s; 1.141.1-25s; 1 1.141.1-L2s
			1.141-1; 1.141.1-33s
	1.241-1; 1.090.1-1
			1141-1; 1.141.1-33s
			1.‘41-1; 1.141.1-33s; 1.141.1-30

		11G1K51.12 1PK51.Yu	1.1 1-1; 1.141.1- 33s
	1.141-1; 1.141.1- 33s I
			1.141-1; 1.141.1-eze
	1.141-1; 1.141.1-VO; 1 1.141.1-33s
			1.141.1; 1.141.1-33s; 1.141.1-30
	1.141-1; 1.141.1-33s]
		1PK48.12 t K 48.10	1.141-1; 1.141.1-33s
1PK62.15 1PK62 12 1PK62.10
			1.141-18s; 1.141.1-25s; 1.141.1-32s
	1.141-1; 1.141.1-33s
	1L41-1; 1.US-OEs; 1.090.1-2s; 1.090.1-Zpa;

Continuation of the table. 4

1PK36L8 1PK36L5 1PK26 12 1PK36L0

1PK30 15 1PK30L2

1PK29L8 1PK29L5 1PK29 12 1PK29L0

IPK27L5 1G1K27 12 1PK27.9

1YU23 !8 1PK2L *5

I PC 23 ! 2 11IV 23 12

shk? 3 M)

2PK60 36 2PK60.35 2PK60.30 2PK60.26 2G1K60.24 2PK60L8 2PK60L2

1.141-1; 1.090L - 1; 1.090L-2s; 1.090L-Zpw; 1.090L-5s

2PK30.66 2PK30.60 211 KZ 0.54 2L KZ 0.4 8 2PK30L8 2PK30L2

ZG1KZO.ZO

1L41L-28s; 1L41L-29s

4PK72L 5 4PK72L2

1.141-i; 1.090.1-1; 1.090.1-2s; 1.090 1-Zpv, 1.090 I-5s

* iNVrtJvi J>

\N1.1 M41L~29sY)Kai5

411К Za/ 5 2 I

OOozmch "M1Yu germa working drawings amt

141; E-600; 3-600IV; E600N ZIIIEP dwellings

135 KB for reinforced concrete them. A. A. Yakusheva

86-3191/1 TsIIIEP commercial buildings and tourist complexes

86-3191/1 TsIIIEP commercial buildings and tourist complexes^ _______ _ _

Continuation of the table. *7

Tyaporaamer	Designation of a series of working drawings of a beach	Tyaporaamer	Designation of a series of working drawings of plates
	86-3191/1 TsNIIEP
	commercial buildings and tourist complexes	7PK51.18 7PK51.12
5PK 116.15 5PK116.12


		PP 16.15 PG116.12 G1GP6.9
		PP 16.15 PG116.12 G1GP6.9
5PK56 12 5PKY1.9			28-87 Central Research Institute of Proyzda-nn
			28-87 Central Research Institute of Proyzda-nn

FIELD OF APPLICATION OF PLATES OF VARIOUS TYPES

Table 5

	The reduced thickness of the slab, and	DENSITY		Characteristics of adyan (structures)
			Up to 7.2 sq.	Residential buildings. about which the required * 1choiz * elec.1I of residential premises is provided by the installation of hollow, floating, non-hollow layered floors, as well as single-layer strips along the leveling screed
			Up to 9.0 incl.	About the company Other non-produced buildings (structures)
2pcs 2i IKT 2G1KK			Up to 7.2 incl.	Residential buildings in which the required sound insulation of residential premises is ensured by construction of single-layer FLOORINGS
			Up to 6.3 incl.	Residential large-panel buildings sern n 135, in which the sound insulation of the premises is required
			Up to 9.0 incl.	Public and industrial buildings (structures)



				Residential knowledge unimportant

APPENDIX 3 Reference

TERMS USED IN ANNEX 2 AND THEIR EXPLANATIONS

Table &

	Explanation
single layer floor	Floor consisting of a coating (linoleum on a heat and sound insulating base) laid directly on the floor slabs or on a leveling screed
Single layer floor on leveling screed	Floor consisting of a coating (linoleum on a tea-lo- and sound-proof basis) laid with a leveling screed
hollow floor	Floor consisting of a hard coating over the joists and soundproof pads laid on the floor slabs
Hollow-free layered floor	A floor consisting of a hard coating AND a THIN" soundproofing layer, laid directly on the floor slabs or on a leveling screed
floating floor	Floor, consisting of a coating, a rigid base in the form of a monolithic or prefabricated screed and a continuous sound-proof layer of resiliently soft or loose materials laid on floor slabs

INFORMATION DATA

I. DEVELOPED AND INTRODUCED by the State Committee for Architecture and Urban Planning under the Gosstroy of the USSR (Goskomarchitectura) and the Central Research and Design and Experimental Institute of Industrial Buildings and Structures (TsNIIpromzdaniy) of the USSR Gosstroy

DEVELOPERS

L. S. Exler; A. A. Muzyko (theme leaders); I. I. Podguzova; A, A. Tuchin, Ph.D. tech. sciences; E. N. Kodysh, Ph.D. tech. sciences; I. B. Baranova; V. G. Kramar, Ph.D. tech. sciences; G. I. Berdichevsky, Doctor of Engineering sciences; V. L. Morozensky, Ph.D. tech. sciences; Yu. Ts. Khodosh; B.V. Karabanov, Ph.D. tech. Sciences: V. V. Sedov; E. L. Shakhova; B. N. Petrov; I. Z. Gilman; G. V. Turmanidze; N. A. Kapanadze; B, V. Kroshkov; V. I. Pimenov; V. I. Denshchikov

G2. APPROVED AND INTRODUCED BY Decree No. 5 of the USSR State Committee for Construction and Investment dated September 20, 1991

3. REPLACE GOST 9561-76 and GOST 26434-85 in terms of types, main dimensions and parameters of hollow-core slabs

4. REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS


GOST 5781-82		GOST 17023-87
GOST 6727-80		GOST 17624-87
GOST 7348-81		G "OSG 17625-83
		GOST 18105-86
[OST I00G0--87		GOST 22362-77
GOST 10180-90		GOST 22690-88
GOST 10181.0-81		GOST 22904-78
GOST 10181.3-81		GOST 23009-78
GOST 10884-81		GOST 23858-79
GOST 10922-90		GOST 25214-82
GOST 12730.0-78		GOST 25697-83
GOST x 2730 1-78		GOST 25820-83
GOST 12730.5-84		GOST 26134-84
GOST 13015.0-83		GOST 26433.0-85
GOST 13015.1-81		GOST 26433.1-89
GOST 1:>(-15 2-81		GOST 26633-85
GOST 1 3015.4-84		T U 14-4 -1322-89
GOST \ 3840--68

Editor V. P. Ogurtsov Technical editor V. N. Malkova Proofreader V. M. Smirnova

Rented in emb. 17.12 91 Sign. to the stove 01/20/92 Ul. p. l. 1.5. Uel. kr.-ott. 1.6 Uch.-ed. 1.21, Circulation 2885 copies Price 33 rubles.

Order "Badge of Honor" Publishing house of standards, 123557, Moscow, GSP, Novopgesnensky per., 3 Type. Moscow printer. Moscow, Lyalin per. 6. Zak. 732

STATE STANDARD

UNION SSR

MULTI-HOLLOW FOR BUILDINGS

AND FACILITIES

TECHNICAL CONDITIONS

GOST 9561-91

Official edition

USSR STATE COMMITTEE FOR CONSTRUCTION

AND INVESTMENT

GSTATE STANDARD OF THE UNION OF THE SSR

REINFORCED CONCRETE FLOOR PLATES

MULTI-HOLLOW FOR BUILDINGS AND

FACILITIES GOST

Specification 9561-91

Reinforced concrete multihollow panels

for floors in buildings. Specifications

___________________________________________________________

Date of introduction 01.01.92

Plates are used in accordance with the instructions of the working drawings of the plates and additional requirements specified when ordering these structures.

1 . TECHNICAL REQUIREMENTS

It is allowed, by agreement between the manufacturer and the consumer, to manufacture plates that differ in types and sizes from those given in this standard, subject to the remaining requirements of this standard.

1.2. Main parameters and dimensions

1.2.1. Plates are divided into types:

1pc - 220 mm thick with round voids with a diameter of 159 mm. designed to support on two sides;

1PKT - the same, for support on three sides;

1PKK - the same, for support on four sides;

2pcs - 220 mm thick with round voids with a diameter of 140 mm, designed to be supported on two sides;

2PKT - the same, for support on three sides;

2PKK - the same for support on four sides;

3 PCs - 220 mm thick with round voids with a diameter of 127 mm, designed to be supported on two sides;

3PKT - the same, for support on three sides;

3PKK - the same, for support on four sides;

4pcs - 260 mm thick with round voids with a diameter of 159 mm and cutouts in the upper zone along the contour, designed to be supported on two sides;

5pcs - 260 mm thick with round voids 180 mm in diameter, designed to be supported on two sides;

6pcs - 300 mm thick with round voids 203 mm in diameter, designed to be supported on two sides;

7PK - 160 mm thick with round voids 114 mm in diameter, designed to be supported on two sides;

PG - 260 mm thick with pear-shaped voids, designed to be supported on two sides;

PB - 220 mm thick, produced by continuous molding on long stands and designed to be supported on two sides.

1.2.3. The structural length and width of the slabs (with the exception of PB type slabs) should be taken equal to the corresponding coordination size (Table 1), reduced by the value a 1 (gap between adjacent plates) or a 2 (distance between adjacent plates if there is a separating element between them, for example, an anti-seismic belt, ventilation ducts, crossbar ribs), or increased by a value a 3 (for example, for slabs supported on the entire thickness of the walls of the staircase of buildings with transverse load-bearing walls). Values a 1 ,a 2 and a 3 , are given in table. 2.

1.2 4. The shape and dimensions of type PB slabs must comply with the established working drawings of the slabs, developed in accordance with the parameters of the molding equipment of the manufacturer of these slabs.

Table 1

	Drawing number	Coordination dimensions of the plate, mm
plates	plates	Length	Width
		From 2400 to 6600 incl. with an interval of 300, 7200, 7500	1000, 1200, 1500, 1800, 2400, 3000, 3600
			1000, 1200, 1500
		From 3600 to 6600 incl. with an interval of 300, 7200, 7500
		From 2400 to 3600 incl. with an interval of 300	From 4800 to 6600 incl. with an interval of 300, 7200
		From 2400 to 6600 incl. with an interval of 300, 7200, 9000	1000, 1200, 1500
		6000, 9000, 12000	1000, 1200, 1500
			1000, 1200, 1500
		From 3600 to 6300 incl. with an interval of 3000	1000, 1200, 1500, 1800
		6000, 9000, 12000	1000, 1200, 1500

Note. For the length of the plates take:

the size of the side of the slab not supported by the supporting structures of the building (structure) - for slabs intended to be supported on two or three sides;

the smaller of the dimensions of the slab in plan - for slabs intended to be supported along the contour.

Plate types 1pc, 2pc, 3pc, 5pc, 6pc, 7pc

UNIONASSR

REINFORCED CONCRETE FLOOR PLATES

MULTI-HOLLOW FOR BUILDINGS

AND FACILITIES

TECHNICAL CONDITIONS

GOST 9561-91

Fromdofficial

STATE COMUSSR ITET FOR CONSTRUCTION

I INVIS EATINGANDCANDNM

GOSUDARWITHTVENNASTANDARD OF THE UNION OF THE SSR

PE PLATESRENCLOSING REINFORCED CONCRETE

MULTI-HOLLOW FOR BUILDINGS AND

CONSTRUCTIONHII GOST

Technicheuterms 9561- 91

Reinforced concrete multihollow panels

for floors in buildings. Specifications

___________________________________________________________

Date of introduction 01.01.92

This standard applies to reinforced concrete multi-hollow slabs (hereinafter referred to as slabs) made from heavy, light and dense silicate concrete and intended for the bearing part of the floors of buildings and structures for various purposes.

Plates are used in accordance with the instructions of the working drawings of the plates and additional requirements specified when ordering these structures.

1. Technical requirements

1.1. Plates should be manufactured in accordance with the requirements of this standard and the technological documentation approved by the manufacturer, according to the working drawings of standard structures (see Appendix 1) or projects of buildings (structures).

1.2. Main parameters and dimensions

1.2.1. Plates are divided into types:

1pc - 220 mm thick with round voids with a diameter of 159 mm. designed to support on two sides;

1PKT - the same, for support on three sides;

1PKK - the same, for support on four sides;

2pcs - 220 mm thick with round voids 140 mm in diameter, designed to be supported on two sides;

2PKT - the same, for support on three sides;

2PKK - the same for support on four sides;

3pcs - 220 mm thick with round voids with a diameter of 127 mm, designed to be supported on two sides;

3PKT - the same, for support on three sides;

3PKK - the same, for support on four sides;

4PK - 260 mm thick with round voids with a diameter of 159 mm and cutouts in the upper zone along the contour, designed to be supported on two sides;

5PC - 260 mm thick with round voids 180 mm in diameter, designed to be supported on two sides;

6PK - 300 mm thick with round voids with a diameter of 203 mm, designed to be supported on two sides;

7PK - 160 mm thick with round voids 114 mm in diameter, designed to be supported on two sides;

PG - 260 mm thick with pear-shaped voids, designed to be supported on two sides;

PB - 220 mm thick, manufactured by continuous molding on long stands and designed to be supported on two sides.

1.2.3. The structural length and width of the slabs (with the exception of PB type slabs) should be taken equal to the corresponding coordination size (Table 1), reduced by the value a 1 (gap between adjacent plates) or a 2 (distance between adjacent slabs if there is a separating element between them, for example, an anti-seismic belt, ventilation ducts, crossbar ribs), or increased by a value a 3 (for example, for slabs supported on the entire thickness of the walls of the staircase of buildings with transverse load-bearing walls). Values a 1 , a 2 and a 3 , are given in table. 2.

1.24. The shape and dimensions of PB-type plates must comply with the established working drawings of the plates, developed in accordance with the parameters of the molding equipment of the manufacturer of these plates.

Table 1

	Drawing number	Coordination dimensions of the plate, mm
plates	plates	Length	Width
		From 2400 to 6600 incl. with an interval of 300, 7200, 7500	1000, 1200, 1500, 1800, 2400, 3000, 3600
			1000, 1200, 1500
		From 3600 to 6600 incl. with an interval of 300, 7200, 7500
		From 2400 to 3600 incl. with an interval of 300	From 4800 to 6600 incl. with an interval of 300, 7200
		From 2400 to 6600 incl. with an interval of 300, 7200, 9000	1000, 1200, 1500
		6000, 9000, 12000	1000, 1200, 1500
			1000, 1200, 1500
		From 3600 to 6300 incl. with an interval of 3000	1000, 1200, 1500, 1800
		6000, 9000, 12000	1000, 1200, 1500

notenie. For the length of the plates take:

the size of the side of the slab not supported by the supporting structures of the building (structure) - for slabs intended to be supported on two or three sides;

the smaller of the dimensions of the slab in plan - for slabs intended to be supported along the contour.

Plate types 1pc, 2pc, 3pc, 5pc, 6pc, 7pc

Plates of types 1PKT, 2PKT, 3PKT

Plates of types 1PKK, 2PKK, 3PKK

Stove type 4pcs

Stove type PG

Notes to hell. 1-3

1. Plates of types 1PKT, 2PKT, 3PKT, 1PKK, 2PKK and 3PKK can have technological bevels along all side faces.

3. The dimensions and shape of the groove along the longitudinal upper edge of the plates of types 1PKT, 2PKT and 3PKT (Fig. 1b) and along the contour of the plates of type 4PK (Fig. 2) are established in the working drawings of the plates.

4. In slabs intended for buildings (structures) with a design seismicity of 7-9 points, extreme voids may be absent due to the need to install embedded products or release reinforcement for connections between slabs, walls, anti-seismic belts.

table 2

Scope of plates	Additional dimensions taken into account when determining the structural size of the slab, mm
	length			widtha 1
	a 1	a 2	a 3
Large-panel buildings, including buildings with an estimated seismicity of 7-9 points Buildings (structures) with walls made of bricks, stones and blocks, with the exception of buildings (structures) with an estimated seismicity of 7-9 points Buildings (structures) with walls made of bricks, stones and blocks with an estimated seismicity of 7-9 points Frame buildings (structures), including buildings (structures) with an estimated seismicity of 7-9 points				10 - for slabs with a coordination width of less than 2400. 20 - for slabs with a coordination width of 2400 or more

1.2.5. Voids in slabs intended to be supported on two or three sides should be located parallel to the direction in which the length of the slabs is determined. In slabs intended to be supported on four sides, voids should be placed parallel to either side of the slab contour.

The nominal distance between the centers of voids in the slabs (with the exception of slabs of types PG and PB) should be taken at least, mm:

185 - in plates of types 1PK, 1PKT, 1PKK, 2PK, 2PKT, 2PKK, 3PK, 3PKT, 3PKK and 4PK;

235 - in plates of type 5PK;

233 « « « 6pcs;

139 « « « 7pcs.

The distance between the void centers of slabs of types PG and PB is assigned in accordance with the parameters of the molding equipment of the manufacturer of these slabs.

1.2.6. The slabs should be made with recesses or grooves on the side faces to form intermittent or continuous dowels after embedding, which ensure the joint operation of the floor slabs in shear in the horizontal and vertical directions.

1.2.7. Slabs intended to be supported on two or three sides should be prestressed. Plates with a thickness of 220 mm, a length of less than 4780 mm, with voids with a diameter of 159 and 140 mm and plates with a thickness of 260 mm, with a length of less than 5680 mm, as well as plates with a thickness of 220 mm, of any length, with voids with a diameter of 127 mm, are allowed to be manufactured with non-tensioned reinforcement.

1.2.8. Plates should be made with reinforced ends. Strengthening of the ends is achieved by reducing the cross-section of the voids on the supports or by filling the voids with concrete or concrete liners (Fig. 1-3). When the calculated load on the ends of the plates in the area of \u200b\u200bsupport of the walls does not exceed 1.67 MPa (17 kgf / cm 2), it is allowed, by agreement between the manufacturer and the consumer, to supply plates with non-reinforced ends.

Strengthening methods and minimum dimensions of seals are set in the working drawings or indicated when ordering plates.

1.2.12. Plates are used taking into account their fire resistance limit, indicated in the working drawings of the plates.

1.2.13. Plates are marked with marks in accordance with the requirements of GOST 23009. The plate mark consists of alphanumeric groups separated by hyphens.

In the first group, indicate the designation of the type of slab, the length and width of the slab in decimeters, the values of which are rounded to the nearest whole number.

In the second group indicate:

design load on the slab in kilopascals (kilogram-force per square meter) or serial number of the slab in terms of bearing capacity;

steel class of prestressed reinforcement (for prestressed slabs);

type of concrete ( L - lightweight concrete, C - dense silicate concrete; heavy concrete is not indicated).

In the third group, if necessary, additional characteristics are indicated that reflect the special conditions for the use of plates (for example, their resistance to aggressive gaseous media, seismic effects), as well as designations of the design features of the plates (for example, the presence of additional embedded products).

Etcandsymbolic measuresandI am(brands) slabs of type 1PK, 6280 mm long, 1490 mm wide, designed for a design load of 6 kPa, made of lightweight concrete with prestressing reinforcement of class At-V.