Many builders are thinking about what is the best foundation for a house from aerated concrete to choose. There may be several options. Each of them will be separately considered below.
Difficulties in choosing the base for the 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 may lead to the need for premature repairs. In the case of aerated concrete, many private developers rush between the varieties of foundations. After all, the material is light enough, which leads to the temptation to save money and build a building on an unfinished base. But this is the most common mistake. After all, if you build a shallow foundation for a house from aerated concrete, this can lead to the formation of cracks on the walls. Their cause is the imbalance between the main forces of the system, including soil, foundation and home.
Features of a quality foundation for the home
In order to get a good foundation, it is necessary to ensure uniform distribution of the load from the mass of the building on the soil without the effect of precipitation. If the system, which includes the foundation and construction, is excessively light, then 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 from aerated concrete to choose, you can prefer a tape system. She will not be the worst option. If you place the structure on the freezing line, then the buoyancy forces will act exclusively on the lateral parts of the system. This option will be more acceptable for a house from a gas block, in which there is more than one floor. This will balance the forces.
When deciding on what foundation is needed for a house of aerated concrete having one floor, it is preferable to abandon the tape. A small building or a bathhouse will not last long on a similar system. It will not ensure the longevity of the building, whose walls will crack over time, and the foundation will gradually be pushed out, moreover, unevenly. But if you firmly decided to resort to the creation of a tape, then you will first have to make a calculation for a specific case. This may avoid negative consequences. In this case, experts recommend using a shallow system mounted on a sand cushion.
Features of the construction of tape shallow foundation
Before building a foundation for a house from aerated concrete, which is better - it is recommended to find out from professionals. They most likely will not advise the tape. But if you firmly decided that it would form the basis of the building, then coarse sand should be used for backfilling, which should be carefully compacted. It will act as a replacement for heaving soil with non-porous soil. However, pressure on the surface of the tape from below will be excluded. The side surfaces of such a system do not differ in large dimensions, 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 upper fertile layer. Next, a trench is excavated, which you need to position along the perimeter of the future home. Sand is poured into the bottom and rammed, followed by a layer of crushed stone. At the next stage, formwork is installed, reinforcement is laid on brick supports, and concrete is poured. As soon as the solution gains strength, we can assume that the base is ready.
Column Base Selection
Thinking about what is the best foundation for a house from aerated concrete to choose, many prefer to resort to the construction of a columnar base. This option is also acceptable, but the system must have a reinforced concrete grillage. You should not think about the presence of a basement in a building - it is impossible to build it in this case. Attracted by developers here is the low cost of work and materials, as well as the simplicity of the process. However, it is necessary to carry out calculations that are no less light than in the case of a tape base, which will determine the number, diameter and length of the posts.
Column foundation technology
If you were thinking about the question of what is the best foundation for a house from aerated concrete to choose, and decided to stop on a support base, then you should also start work with marking and earthwork. The latter involve the preparation of the holes that are needed to install the poles. As soon as the supports are mounted, you can pour them at the base with concrete, check the correct location with respect to the vertical and leave for the drying period of the solution. After you can start making formwork to create a grillage. It is a reliable reinforced concrete belt that mates all available supports into one system.
Reinforced concrete base selection
Before you build a foundation for a house from aerated concrete, which is the best of all existing ones - you should ask specialists. They recommend using a monolithic slab. It is capable of perfectly damping seasonal changes in soil, guaranteeing uniform and minimal pressure on the soil compared to all other substrates. This solution wins in all respects, in particular in price, ease of creation, and also in compliance with the requirements for foundations for light buildings. A reinforced slab can be poured under the area of the house or a factory-made concrete monolith can be purchased at all.
If you have not yet decided which foundation to choose for a house from aerated concrete, then it is worth choosing reinforced concrete monolith. 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 place.
Pile foundation calculation
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 construction. The recommendations below will help you make the calculation.
If you decide to choose a supporting foundation for a house from aerated concrete, an example of calculation will imply a knowledge of the mass of all structural elements of the building. It is important to take into account all types of the above loads, including household. At the next stage, you can add up all the data obtained, which will determine the effective weight load from home. Now it is proposed to calculate the area of the building. It is necessary to determine the step between piles, where the minimum distance between the supports will be needed. The bearing capacity of the soil of 2.5 kg / m 2 will allow you to calculate the area of the heels of the supports. From it and the weight previously obtained, you can find the permissible number of piles. Speaking of the above, 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 building that will last for a long time, then you should choose a columnar base.