Expanded clay concrete blocks m75 technical characteristics. Complete information about expanded clay concrete m100

Improvement of technological processes, with the help of which concrete solution is produced, made it possible to start the manufacture of a new material. This is expanded clay concrete, which differs from the usual materials in its composition. Expanded clay concrete is considered lightweight, while maintaining the quality indicators of concrete products. The low rate of thermal conductivity makes it possible to use the composition for decorating walls. For the production of expanded clay concrete of different densities, it is necessary to know the proportions of plasticizers, with the help of which elasticity is created, and other ingredients that affect the main indicators.

Expanded clay concrete - what is it

The material is a composite with a porous structure used in construction. When compared with other materials, the composition of expanded clay concrete is different.

Composition

Every specialist knows that the following components are required for the preparation of expanded clay concrete:

  • cement mass;
  • washed sand;
  • fine-dispersion expanded clay, for the production of which natural raw materials were used;
  • pure water that does not contain technical impurities.

Waste water, the pH of which is less than 4, is not suitable for a recipe for the production of expanded clay concrete. The same applies to seawater, when a white coating forms on the surface.

In addition to these components, for the preparation of dry expanded clay concrete mixture, it is allowed to use sawdust of wood material, ash, plasticizers.


The exact selection of expanded clay concrete composition is carried out directly at the construction site. There are certain recommendations here, with the help of which an effective porous expanded clay concrete is obtained:

  • elasticity is increased through the use of quartz sand;
  • in order for the structure to perfectly resist the effects of moisture, expanded clay gravel must be added to the mortar mass;
  • cement grade M400 is a good binder that does not contain plasticizers;
  • cement improves the characteristics of the block material, but here it is necessary to take into account that the bulk density of the mixture may increase;
  • in case heat treatment of blocks is planned, it is necessary to use alite cement composition.

Speaking about the size of expanded clay concrete:

  • it is recommended to add coarse expanded clay to a composition with a moderate density index. This type of concrete with expanded clay perfectly retains heat;
  • during the construction of the supporting structure, small-fraction expanded clay is used.

Small granules of expanded clay will give the material more weight. To get the "golden mean", it is recommended to use a mixture of large and small stones.

Characteristics of expanded clay concrete and its brands

The main characteristics are the grade and density of the material. The indicators are complex, depending on the composition of expanded clay concrete and fractions of the feedstock. Each brand is used for its intended purpose:

  • M50 - used when pouring partitions in a house or arranging a load-bearing wall;
  • М75 - structures of a load-bearing nature are manufactured in residential and industrial premises. In this case, monolithic technology is used;
  • M100 - the properties are such that the screeds are perfectly filled with the material;
  • М150 - used in the manufacture of blocks;
  • M200 (b15) - block material and lightweight floor options are prepared from this composition;
  • M300 - used in the construction of bridges and roads.


In terms of density, the material is divided into three groups:

1. Sandless - gravel, water and cement composition are used for production, no sand is added. The main advantage is the acceptable cost. Application in construction - used in the construction of walls, floors and ceilings in low-rise buildings.

2. Porous - blocks are made from M20 solution. In terms of strength, there are three subspecies of expanded clay concrete:

  • thermal insulation - d400 - d700 - used as additional insulation for walls;
  • body insulation and construction - from d800 to d1 400, used for insulation or when laying partitions;
  • wall - d1 400 - d2 000, from which various engineering structures are made.

3. Dense - contains an increased amount of cement composition, combining the characteristics of sandless and porous compositions. The price of the material is high; it is rarely used in the construction industry.


There is another version of the classification of the composite composition - by volumetric mass. According to this criterion, expanded clay concrete is divided into three groups:

  • heavy - the strength indicator is 25 MPa, the volumetric weight is 1200 - 1400 kg per cubic meter;
  • light - the weight is 800 - 1,000 kg, the composition contains light expanded clay material with a small specific gravity;
  • especially light - the weight of one cube is from 600 to 1800 kg, the strength is 7.5 - 40 MPa. In the form of a filler, instead of crushed stone, expanded clay, ash gravel, slag pumice can be added to concrete.

Production technology

How to make expanded clay concrete with your own hands? To do this, you should follow certain tips:

  • the preparation of expanded clay concrete is carried out in a concrete mixer;
  • when mixing, all components are fed in a strict sequence - water, cement composition, sand, and only after that - expanded clay;


  • to increase the compressive strength of expanded clay concrete, it is recommended to use reinforcement;
  • The mixture is considered to be of high quality, where the cement mass completely covers each granule of the filler;
  • the time of one batch is no more than seven minutes. If this condition is not observed, then the characteristics of expanded clay concrete will not meet the requirements of the certificate of conformity. It is recommended to stop the concrete mixer at the moment when the consistency of the composition resembles sour cream, without containing lumps.

To check the readiness, the mixture is scooped up with a shovel. A quickly spreading slide indicates the low quality of the material.

Application area

As follows from the reviews, expanded clay concrete is a versatile material with a fairly wide scope of use. Its main feature is the ability to regulate the mixture, taking into account the desired density of finished products:

  • construction of walls for low-rise buildings. Expanded clay concrete is lightweight concrete from which panels, blocks, etc. are formed;


  • filling the screed. Many people ask the question - what is expanded clay on the floor for? But it is considered a good insulation material. It is enough to take two parts of the stone, add three - sand, one each - water and cement composition. This ratio will ensure good floor strength and quick curing of the concrete material.
  • production of floor slabs. The injection molding method makes it possible to obtain products with low weight, excellent resistance to moisture, having a long operating period, capable of storing thermal energy. One drawback of the material is its high level of fragility.

Advantages and disadvantages

First, let's figure out the positive aspects of the material:

  • the ratio of thermal conductivity and strength index is the main advantage of the material. As follows from the passport for expanded clay concrete, in terms of heat preservation, it is practically not inferior to light aerated concrete, but its strength is much higher;
  • there is a possibility of self-production of the material. Expanded clay concrete is a composition that does not require large financial costs at the stage of preparation. Can expanded clay be used instead of crushed stone in concrete? In certain situations, yes;
  • price is another important advantage, comments on which are not required, since it is very acceptable;
  • thermal conductivity of floors - this material has almost no equal in this matter;
  • long operational period;
  • environmental safety of the material;
  • light weight.

There are still quite a few advantages in expanded clay concrete, but there is a need to remind about its disadvantages. Builders note the following disadvantages:

  • water permeability. The airiness of expanded clay concrete contributes to the active absorption of moisture, which has a destructive effect. This feature limits the use of expanded clay concrete. Simply put, external walls made of expanded clay concrete will lose all their advantages, and there will be solid disadvantages. Here a prerequisite must be observed - the exclusion of water from entering the surface of expanded clay concrete.
  • the need for additional insulation. Although the material has a good indicator of thermal conductivity, it is not used as an independent insulation in most regions. As a rule, load-bearing walls outside require an additional insulation layer;
  • disadvantages of products from expanded clay concrete. They do not have ideal geometric parameters, which makes it impossible to make seams when laying the tonic, thereby increasing the likelihood of "cold bridges". But the minus is corrected if the walls are additionally insulated;
  • unfair treatment of manufacturers. It has already been noted that the production of expanded clay concrete does not require large financial costs. This is often used by artisanal manufacturers without caring about the final quality of the product.


Conclusion

Experienced experts assure that it is allowed to add expanded clay to concrete instead of crushed stone. This decreases the strength of the product, but increases its ability to retain heat. The method for selecting expanded clay concrete in this case has its own peculiarities.

Expanded clay concrete is a material attributed by specialists to an intermediate group, between brick and porous blocks of foam, aerated concrete. The kerazmzitoblok "took" strength and frost resistance from bricks, but light weight, sufficient dimensions, low thermal conductivity are related to foamed concrete.

Material specifications

The expanded clay concrete blocks contain cement, expanded clay of 5-10 mm fraction and coarse expanded clay sand. The size of the aggregate determines such quality as energy-saving characteristics, strength: coarse fractions - less strength, but more energy efficiency.

The GOST 613399 standards provide for the following dimensional gradations: 188 * 190 * 390 mm and 188 * 90 * 390 mm, the maximum permissible deviation scale is no more than 10-20 mm. The first regulation refers to wall blocks, the second GOST regulation applies to partitioned claydite-concrete blocks. There are ordinary and facial elements:

  1. Ordinary - shown for laying out wall panels that will be subjected to additional cladding.
  2. Expanded clay concrete blocks with facing or facing are products intended for laying out walls where finishing is not provided.

Hollow and solid bars are distinguished by the presence of voids:

  • Hollow is characterized by the presence of through or non-through vertical slots, which reduce the weight of the element and increase energy efficiency.
  • Solid bars are a material of sufficient weight, strength, used for laying load-bearing walls.

- this is a popular material, the volume of which is equal to 4 solid ceramic bricks. The indicator helps to reduce the weight load on the foundation while increasing the efficiency of the calculation. Standard product specifications:

  • Size 390 * 190 * 188;
  • Strength grade M50;
  • Weight 13.5 kg;
  • Density 1050kg / m3;
  • Frost resistance F100 (100 defrost / frost cycles).

Important! These parameters are found in thickened block products - a type of 4-slot module, but here the thickness of the inner walls is different (+1 cm) and the strength grade is M75 with a mass of 15 kg.

The characteristics of other products are as follows:

  1. Corpulent module It is shown for the construction of objects of any purpose, it is characterized by increased strength, therefore it can be used for arranging load-bearing walls, foundations. An important quality is the ease of fastening to the finished structure, which is ideal for the external cladding of the building. Technical indicators are as follows:
  • Size 390 * 190 * 188;
  • Steam drying;
  • Density 1500 kg / m3;
  • Weight 20 kg;
  • Frost resistance F50;
  • Strength grade M100.

  1. Double-hollow block- a structural module with a wall thickness of 9.0 and 12.0 cm, equipped with a pair of blind slots, which reduces thermal conductivity. It is a lightweight module, therefore it is used in structures where there is no need for increased material strength. Specifications:
  • Size 390 * 190 * 188;
  • Drying of the steamed type;
  • Weight 12 kg;
  • Strength grade M35;
  • Density indicator 1050 kg / m3;
  • Frost resistance F35.

  1. Partitioning expanded clay concrete blocks are effective in insulating load-bearing walls and in arranging lightweight partitions. The material is good at isolating noise. Indicators:
  • Dimensions 390 * 90 * 188;
  • Steam drying;
  • Strength M35;
  • Density 1050 kg / m3;
  • Frost resistance F

Important! The dimensions of expanded clay concrete partition blocks according to GOST are allowed 390 * 120 * 188, while the weight is 9.3 kg, the strength is M50. The modules are good for cladding ready-made structures, as a building material for light-duty household objects.

  1. Ventilation modules have two through slots, are used to create fences, fixed formwork, ventilation ducts, chimneys. Due to the presence of voids, the modules allow you to save money when laying special routes. Specifications:
  • Parameters 390 * 190 * 188;
  • Drying of the steamed type;
  • Weight 11.00 kg;
  • Strength M35;
  • Frost resistance indicators F

Important! Manufacturers offer expanded clay concrete shortened blocks with parameters 30 * 20 * 20 cm, suitable for erecting walls 30 cm thick.As an option for a standard module shortened by 10 cm, the bar is shown, among other things, for arranging an armored belt when installing floors.

Advantages and disadvantages of the material

The manufacture of products does not allow the use of toxic chemical compounds, so the material can be safely attributed to the environmentally friendly ones. In addition, expanded clay blocks are distinguished by such advantages as:

  • Excellent vapor barrier of modules;
  • Durability;
  • Flexural and crumbling strength;
  • Light weight;
  • Efficiency of the construction of the building;
  • The versatility of the material;
  • Low thermal conductivity;
  • Possibility of laying load-bearing walls without additional cladding work
  • Non-flammability;
  • Compatibility with different materials;
  • Simplicity of masonry technology;
  • Affordability.

But the expanded clay blocks have a number of disadvantages:

  • Intolerance to dynamic and shock loads;
  • High abrasive qualities impede ease of processing: modules are poorly cut, sawn, and at the same time they form uneven chips and cracks.

Important! When buying material, you should pay attention to the certification of the product: if little cement was added, then it was replaced with chemical mixtures, synthetic additives, which means that all the operational and practical characteristics of the product were reduced.

Making modules with your own hands

To find an excellent building material for your own home, you should not despair, if the blocks are of poor quality in the region, make your own expanded clay modules. Despite the fact that it is much cheaper, despite the need to purchase special equipment, thermal conductivity can be varied depending on the required amount of material for a particular energy efficiency. Among other things, make modules of the required length, wall thickness and other dimensions. Experiments are permissible, but within small limits and only for the construction of non-format objects for economic or domestic purposes: fences, toilets, partitions.

In all other cases, it is better to adhere to this recipe and exactly observe the component composition of the working mixture. We bring to your attention several composition options:

  1. For wall stones with a concrete output mass of the M150 grade of about 1430 / 1590kg / m3, it will be required for 1M3:
  • Portland cement M400 - 230 kg;
  • Expanded clay gravel, fraction 5-10 mm, density 800 kg / m3 750 kg;
  • Pure quartz sand 2-2.5 mm - 600 kg;
  • Water - 190 liters.
  1. To make modules resistant to water, an aggressive environment and freezing, you can make a composition from:
  • 250 kg of cement;
  • 460 kg of expanded clay mixture;
  • 277 kg of expanded clay sand;
  • Water at the rate of 9 parts to 1 part of cement;
  • Bituminous emulsion in the amount of 10% of the total volume of water.
  1. To get hollow modules, you need to take:
  • 55 kg of expanded clay;
  • 27.2 kg of pure quartz sand;
  • 9.21 kg of cement;
  • 9.09 liters of water.

From the amount of the finished mixture, 10 hollow blocks are obtained.

Advice! If you do not have a dispenser at hand, take a bucket per unit of volume. Then the components of the mixture will look like this: cement M400 - 1 bucket, clean sand 5mm - 2 buckets, expanded clay with a density of 350-500 kg / m3 - 8 buckets, water 1.5 buckets. But there can be more or less water, depending on what kind of mixture is needed in order to obtain the proper thermal conductivity.

If you prepare the batch carefully, observe the parameters of the components, dry the modules to the end, you will get ideal expanded clay concrete blocks, as in the photo from factory manufacturers. And the house will be built much faster, cheaper, and most importantly, the developer will be completely confident in the quality of the material.

  • M300. This is the most durable grade with increased strength indicators.
  • M200. Used for blocks and light slabs.
  • M150. Suitable for the production of lightweight blocks and panels.
  • M100. Great for screeds.
  • M75, M50. The brand is suitable for the construction of external walls and partitions between rooms.

Density

The strength of a material directly depends on its density. With high density (ratio of mass to volume of material), the strength of expanded clay concrete increases.

Varieties of expanded clay concrete have the following density:

  • For structural - up to 1800 kg / m3;
  • For thermal insulation and construction - up to 1200 kg / m3;
  • For thermal insulation - 500 kg / m3.

Porosity

The porosity of a material is another important property, which is the ratio of pore volume to bulk density. The latter indicator depends on the type of filler and its quality.

Based on these parameters, expanded clay concrete can be heavy (up to 1400 kg / m3), light (up to 1000 kg / m3) and especially light (600 kg / m3). Let's talk about the dimensions of the expanded clay concrete block further.

Block sizes

According to the standards, blocks can be:

  • wall (188 * 190 * 390 mm) and
  • partition walls (188 * 90 * 390 mm).

Depending on the quality and structure of the block faces, they can be ordinary and front.

  • The first type is used in the construction of walls with additional external decoration,
  • the second - for the construction of buildings without subsequent finishing.

About the density, specific and volumetric weight of expanded clay concrete in 1 m3 and the strength of blocks made of expanded clay concrete, read below.

Durability

The acoustic and energy-saving properties depend on the density of the blocks, the reliability and durability of the walls depend on the strength. Density, depending on the filler, can be in the range of 500-1800 kg / m3.

Strength indicators vary from 35 to 250 kg / cm2. The weight of the blocks themselves can be in the range of 10-20 kg. The durability of KB blocks reaches 60 years.

Thermal conductivity

The coefficient allows you to find out how much the material is able to retain heat. In this case, it directly depends on the density of expanded clay concrete.

Look at the comparison table with the coefficient of thermal conductivity of expanded clay concrete.

Resistant to low temperatures and fire

These two indicators directly affect the durability of the material. According to the GOST standard for KB blocks, there are four grades for frost resistance of expanded clay concrete: F25, 35, 50 and 75. The numerical values ​​indicate the number of freezing and defrosting cycles that a block soaked in water can withstand without changing its strength.

As for fire safety, KB blocks have the highest class (A1). This means that in 7-10 hours the masonry made of this material will not collapse under the influence of fire.

Vapor permeability

Another important parameter of any material. It shows how breathable the expanded clay concrete blocks are.

Having an idea of ​​the characteristics of various materials, we can conclude that KB blocks have 2 times better vapor permeability than brick.

Comparative characteristics with other blocks

If we compare the technical characteristics of KB blocks, aerated concrete and aerated concrete, we can see that they are similar in many properties. So approximately the same indicators are observed in frost resistance and thermal conductivity.

The significant superiority of KB is noticeable in less moisture absorption and higher strength.

GOST

According to the GOST standard, only high-quality raw materials should be included in the expanded clay concrete:

  • The stones include white and colored Portland cement that meets the standards.
  • The composition of lightweight concrete should include: crushed stone, gravel and sand, ash, slag mixtures and other components that are defined by the standard.
  • To fill the solution, you can use crushed stone and gravel made from rocks.

KB according to GOST 25820-2000 should be made of aggregates that have fractions of 1 cm (in the case of a hollow block) and 2 cm (for a solid block). To obtain color, pigments of inorganic origin can be used.

The following video will tell you whether the use of expanded clay concrete can be dangerous:

Do you have to build a house with your own hands? In this case, it's time to think about choosing high-quality and, importantly, inexpensive building materials. In this article, we will talk about one of these materials - about concrete prepared with the addition of expanded clay.

Scope of application

In the photo - the consistency of the mortar

Instructions for the use of solutions with the addition of expanded clay involves the manufacture of monolithic walls and floor screeds. In addition, liquid or semi-liquid mixtures are commonly used for the production of wall blocks.

You can find out about the features of pouring the floor screed with the corresponding articles presented on our portal. In the same article, we will take a closer look at the technical characteristics of expanded clay concrete blocks and the properties of the material from which they are made.

Mortars with the addition of expanded clay and their features

In the photo - a floor screed device with expanded clay as an aggregate

  • Strength- this is one of the most important performance characteristics. Structures cast from expanded clay concrete are resistant to mechanical stress, despite their lower weight and lower density c.
    In accordance with the parameters of the compressive strength, a specific grade is assigned to the material. The selection of a solution based on the grade is one of the most important conditions for a successful construction.
    The strength characteristics of structures made using expanded clay depend on the fraction and density of the aggregate and on the grade of cement used in the production of the mixture.

Important: The characteristics of expanded clay concrete are unique, since the strength of structures made on its basis only grows over time.

  • Density finished material and products made with its use is determined by the ratio of mass to volume. In the case of a mixture of concrete and expanded clay, this parameter is less than 100%.
    On the one hand, the higher the density, the stronger the material, and on the other hand, the lower this parameter, the easier it is to be machined and the less it weighs.
  • Porosity Is a property primarily related to density. Regardless of the degree of density, in the thickness of expanded clay concrete there will always be a certain number of micropores.
  • Water resistance this is another property that should be taken into account when planning the use of concrete with expanded clay aggregate. The higher this indicator, the higher the material's ability to withstand the destructive effects of water.
    Water resistance is determined by the ratio of the strength of a sample saturated with water to the strength of dry samples. This parameter for expanded clay concrete is at least 0.8 units.
  • Thermal conductivity- this is the property that determines how much the temperature in the room will depend on the external temperature indicators.
    For example, the degree of thermal conductivity of solutions based on cement and expanded clay is several times less than similar parameters inherent in heavy concrete. As a result, it is possible to build walls that are less thick than usual from mortars made with the addition of expanded clay, without compromising the energy efficiency of the facility as a whole.
  • Resistant to high temperatures Is a quality inherent in structures erected with the use of expanded clay concrete. On the one hand, due to low thermal conductivity, and on the other hand, due to the peculiarities of the aggregate, structures and structures are able to withstand long-term exposure to critical temperatures up to 1000 ° C without cracking.
  • Low temperature resistance Is a parameter that reflects the ability of a material to withstand critically low temperatures.
    All building materials have a certain frost resistance limit and expanded clay concrete is no exception. Moisture, penetrating into the porous structure of the material, freezes and expands. During non-slip freeze / thaw cycles, significant, sometimes irreversible, changes in the structure of the material occur.
    As a rule, the denser the solution, the more frost resistance the structures built with its use are characterized.

Important: The parameters of resistance of expanded clay concrete to the negative effects of environmental factors can be improved by using protective plasters.

  • Volumetric weight of the solution- a characteristic that depends on the parameters of the filler.
    In accordance with this property, expanded clay concrete is divided into three categories: especially light, light and heavy. Usually the heavy variety has a bulk density of up to 1400 kg / m² with a strength of 25 MPa. Light mortars and products with their use have a lower bulk density, as a rule, no more than 1000 kg / m².
    Especially lightweight materials made with the use of more porous varieties of expanded clay are characterized by a bulk density of 600-1800 kg / m² with strength indicators of 7.5-40 MPa.

Configuration and standard sizes of blocks

Expanded clay concrete blocks, produced in accordance with modern technologies, are characterized by a complex shape and a number of standard sizes.

The complexity of the shapes is due to the presence of many slotted voids that provide optimal heat-saving properties. Again, due to the presence of voids, walls built of such material allow less external noise to pass through.

In addition to the presence of voids, the configuration of the blocks assumes the presence of ridges and grooves, through which a reliable connection is ensured. Standard sizes of blocks cast from expanded clay concrete are in many respects similar to the dimensions of wall blocks made of cellular and porous concrete.

Features of blocks made of expanded clay concrete

In the photo - wall block SB-4PR / 1

Expanded clay concrete blocks are an analogue and competitor of blocks made using autoclaved aerated concrete.

The structural material has the following advantages:

  • affordable price;
  • low thermal conductivity;
  • high bearing capacity, in comparison with autoclaved aerated concrete;
  • high bending strength and, as a result, low risk of cracking;
  • accuracy of shapes and sizes and, as a result, ease of construction;
  • no shrinkage and, as a result, the possibility of finishing work immediately after the end of construction;
  • durability - expanded clay concrete gains strength over time, so after several years, the house you have built will be even stronger.

Output

Now you have a general idea of ​​what mortars made with the addition of expanded clay are and how they can be used for their intended purpose. You can find more useful information by watching the video in this article.

Recently, the building materials market has been developing very intensively. All construction technologies are being improved and new cheap materials are being introduced that are easy to install. The next representative of such innovations can be concrete with expanded clay base. In addition to high heat and sound insulation characteristics, such concrete is effective for use in earthquake-prone areas.
Environmentally friendly expanded clay, which was the basis of the new building material, has a structure of hardened foam. The initial material of expanded clay is foamed clay, which is subsequently fired in special furnaces. The granules obtained in this way are able to withstand quite significant loads. Having such properties, expanded clay takes a worthy place among inexpensive and effective foam aggregates. In terms of properties, expanded clay concrete is on a par with ordinary concrete, and even leads in chemical and thermal insulation characteristics.

CONSTRUCTION FEATURES OF KERAMZITOBETON.

By its properties, expanded clay concrete allows itself to be used in any climatic conditions. The strength of expanded clay concrete is in direct proportion to its density. The material is also universal with the possibility of erecting buildings from itself, both from blocks and in the form of a monolithic fill.

The technological characteristics of expanded clay concrete allow it to be divided according to:

  • strength of the brand: it varies from 35 to 100 kg / cm2;
  • density: and it varies from 700 to 1400 kg / cm3;
  • Thermal conductivity efficiency: also varies from 0.2 to 0.5 kcal / hour.
  • The presence of expanded clay in the material, due to its porosity, somewhat reduces the density of expanded clay concrete by 10 - 20%.

TYPES OF CERAMZITE CONCRETE.

At modern construction sites, brands of expanded clay concrete are used: from M100 to M300. Also, according to the density of expanded clay granules, expanded clay concrete is distinguished: dense, painted and sandless.
But the most popular among builders is sandless expanded clay concrete. It is used when pouring floors, erecting walls in low-rise buildings and ceilings.
Painted expanded clay concrete is used much less often. In turn, it is also divided into subspecies:

  • constructive: mainly used in the construction of engineering structures (industrial buildings, bridges, etc.). The use of expanded clay concrete elements in such structures allows savings by replacing reinforced concrete elements with the first.
  • heat-insulating: this subspecies acts as an additional insulation material in the composition of the enclosing structures and facade decoration.
  • - heat-insulating and constructive: a representative of this subspecies is painted expanded clay concrete, from which wall blocks and panels are made.

The most expensive of all types of expanded clay concrete is considered "dense". The high cost is due to the inclusion of expensive cement in its composition. Structures made of this type of expanded clay concrete have a specific application: basically, elements made of this material are intended for the manufacture of structural elements that can withstand heavy loads, of a direct and vibration nature.

SPHERES OF APPLICATION OF CERAMZITE CONCRETE.

The main place of use of expanded clay concrete is the construction of walls. In some countries, construction is carried out only from this material. Such concrete can withstand loads of up to 7 MPa, with a single-layer wall panel density of 1000 kg / m3.
Where high heat and sound insulation of the screed is required, expanded clay concrete has proven itself well. The use of expanded clay concrete for these works, reduces the cost of the construction process and reduces the rate of drying of the screed, and, thereby, accelerates the schedule for completion of construction.
The architectural features of some buildings require the use of dense expanded clay concrete. But, since the expanded clay concrete itself is, in fact, a rather fragile material, it is imperative to use reinforcing components in the composition of floor slabs.
The wide popularity of expanded clay concrete, both in the West and now in Russia, is associated with a number of expressive advantages of this material:

  • material resistance to temperature extremes;
  • the ability to maintain for a long period the properties imparted by the manufacturer;
  • ease of transportation;
  • resistance to corrosion, aggressive environments, high humidity and other unfavorable operating conditions.

ADVANTAGES OF APPLICATION OF CERAMZITE CONCRETE.

In comparison with concrete, expanded clay concrete has characteristic differences. So, the latter perfectly retains heat and therefore is used mainly in cold regions.
Also, expanded clay concrete allows you to significantly save on material. It, in comparison with concrete, is consumed in half, gives less shrinkage and is noticeably lighter than the opponent.
Having porosity, expanded clay concrete allows the walls from it to regulate the level of humidity in the premises. The material is unpretentious in maintenance and has absorbed most of the positive properties of brick and wood.
If we compare expanded clay concrete with bricks, then it is pertinent to note that one block of the first one replaces 7 bricks and is twice lighter than them put together. The speed of erection of a structure from expanded clay concrete is increased 4-5 times than from brick. The costs of making a block of expanded clay concrete are much less than for making that volume of bricks.