Abstract
Ensuring the reliability and durability of buildings and structures built on subsident soils is one of the important tasks. Subsidence of the soil can lead to a violation of the strength of buildings and structures and the impossibility of their further operation. It is necessary to improve the existing methods of preparing the foundation. This article discusses the experience of using the method of soaking the thickness of subsident soils in combination with the device of a rammed soil cushion. Works on compaction of subsident soils by soaking and tamping are carried out sequentially on three maps. Soaking is carried out through trenches with a depth of 2...3 m, a width of 2.0 m. All the soil from the trenches is stored inside the maps to create a load, as a result of which an additional pressure on the soil is created, equal to 10...30 kPa. At the next stage, local pits are rammed under the buildings according to a given grid, which are filled with local soil with layer-by-layer compaction. Compacted areas around the pits overlap, and as a result, a rammed soil cushion is created, which makes up a single compacted array. Thus, the elimination of subsidence properties of the soil is achieved.
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