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What is the best foundation for a house made of aerated concrete: reinforced concrete, tape or columnar

Many builders are thinking about the best foundation for a house made of aerated concrete to choose. There may be several options. Each of them will be considered separately below.

Difficulties in choosing a base for construction of aerated concrete

In principle, on a tape, reinforced concrete or pile foundation, you can build a house whose walls are made of aerated concrete. But some foundations can lead to the need for premature repairs. With regard to cellular concrete, many private developers are rushing between types of foundations. After all, the material is easy enough, which leads to the temptation to save and build the building on an unclouded foundation. But this is the most common mistake. After all, if you build a shallow foundation for a house made of aerated concrete, this can lead to the formation of cracks on the walls. Their cause is a violation of the balance between the main forces of the system, including soil, foundation and house.

Features of a quality foundation for a house

In order to obtain a good base, it is necessary to ensure an even distribution of the load from the building weight to the soil without the effect of precipitation. If the system that includes the base and construction is unnecessarily light, it will not be able to cope with the forces of frost heaving of the soil. This will lead to deformation phenomena in the wall area.

Choosing a tape base

Thinking over the question of which is the best foundation for a house made of aerated concrete, you can prefer a tape system. It will not be the worst option. If the structure is placed on the freezing line, the ejection forces will act solely on the side parts of the system. This option will be more acceptable for a house from a gas block, in which more than one floor. This will balance the forces.

When deciding on the need for a foundation for a house made of aerated concrete having one floor, it is preferable to abandon the tape. A small building or a bathhouse will not last long on such a system. It will not provide durability to the building, which eventually walls will crack, and the foundation will be gradually pushed out, and unevenly. But if you firmly decided to resort to the creation of a tape, then it is necessary to make a calculation for a specific case. This, perhaps, will avoid negative consequences. Experts recommend in this case to use a shallow system, installed on a sand cushion.

Features of the construction of a shallow, shallow base

Before you build a foundation for a house of aerated concrete, which is better - it is recommended to learn from the professionals of their business. They most likely will not advise the tape. But if you have firmly decided that it will form the basis of the building, then it is necessary to apply large-fraction sand for backfilling, which must be carefully compacted. It will act as a replacement for the soil soils on the non-sooty soil. However, the pressure on the surface of the tape from below will be eliminated. The lateral surfaces of such a system do not differ in size, but the weight of the walls will be optimal to ensure a balance of forces.

Initially, it is necessary to mark out the territory, clear it and remove the top fertile layer. Then dig a trench, which you need to arrange around the perimeter of the future house. The sand is poured onto the bottom and is rammed, followed by a layer of rubble. At the next stage, the formwork is installed, the reinforcement is put on the brick supports, and concrete is poured. Once the solution has strength, we can assume that the base is ready.

Choice of columnar base

Reflecting on which is the best foundation for a house made from aerated concrete, many prefer to resort to the construction of a columnar foundation. This option is also acceptable, but the system must necessarily have a reinforced concrete grillage. On the availability of a basement in the building is not worth thinking about - it in this case is impossible to build. Attracts developers here low cost of works and materials, as well as the simplicity of the process. However, it is necessary to carry out calculations that are not less easy than in the case of a tape base, which will determine the number, diameter and length of the columns.

Column foundation technology

If you were thinking about the question of which is better to choose a base for a house made from aerated concrete, and decided to stop on a support base, then starting work also costs with marking and excavation. The latter suggest the preparation of pits, which are necessary for the installation of poles. Once the supports are mounted, you can pour them at the base of the concrete, check the correct location relative to the vertical and leave for the period of drying the solution. After that, you can start making formwork to create a grillage. It is a reliable reinforced concrete belt that matches all the existing supports into one system.

Choosing a reinforced concrete base

Before you build a foundation for a house made of aerated concrete, which is the best of all existing ones - it is worth asking specialists. They recommend using a monolithic slab. It is able to extinguish the seasonal changes in the soil perfectly, ensuring a uniform and minimal pressure on the soil, as compared with all other bases. This solution wins in all respects, in particular in terms of price, ease of creation, and compliance with the requirements for foundations for light buildings. The reinforced slab can be poured under the area of the house or at all to get a concrete monolith of factory production.

If you have not yet decided which foundation to choose for a house made of aerated concrete, then it is better to choose a reinforced concrete. This is due to the fact that any movement of the soil will not contribute to the occurrence of cracks, the plate will rise with the house and fall into its place.

Calculation of piling foundation

The parameters of the piles will depend on many factors, including the bearing capacity of the soil, wind and snow loads, as well as the mass of the future structure. The recommendations below will help you calculate.

If you decide to choose a supporting foundation for a house made of aerated concrete, the calculation example assumes knowledge of the mass of all elements of the construction structure. It is important to take into account all kinds of the above loads, including household. At the next stage, you can add all the data obtained, which will determine the effective weight load from the house. Now it is proposed to calculate the area of the building. It is necessary to determine the pitch between the piles, where the minimum distance between the supports will be needed. Bearing capacity of soil in 2,5 kg / m 2 will allow to calculate the area of heels of supports. According to it and the received weight, you can find the allowable number of piles. By the way, the minimum distance between piles on ordinary soils is 1.7 m. Between each two piles, a step of 0.5 m or more should be provided, otherwise the base will lead.

If you want to get a quality construction that will last for a long time, then it is worth choosing a columnar base.

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