Which foundation to choose? We can say that this issue is always resolved by itself after you study the area and soil of the construction site, the main qualities of the Earth on which the quality, the reliability and durability of our house depends. For each individual area, you need to build the corresponding foundation.
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For example, on hard, rocky soils, if the house is not large, it is not necessary to build a deep strip foundation with a backfill of a meter stone pillow. The stony soil itself will be the basis for the house. Therefore, on rocky soils, it is enough to create and a finely buried foundation, deepen half a meter, with filling a stone and sand pillow. If a large, heavy house is built in several floors, it will be advisable to fill a monolithic strip foundation with a continuous filling of the first floor, which can withstand several floors of the building.
In addition to ordinary strip foundations, there are many other solutions for the foundation. For example, for small houses or country houses, a columnar foundation is also suitable, which consists of reinforced concrete columns flooded with a cement mortar to a depth of a meter and a half around the entire perimeter of the building, under all supporting walls. For such a foundation, they do not dig a continuous trench. Through the entire perimeter of the building, under all load -bearing walls, pits dig in a depth of at least one meter. Make formwork under the columns, a metal frame for reinforcing columns and poured with a solution of concrete.