The depth to which the foundation of the building will be laid is the result of solving the problem of calculating the loads, and in this problem there are many values that should be taken into account, and these values change depending on your construction plans and conditions on the ground.
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The calculation data includes such values as design features of the structure and layout of the structure, that is, the number of floors, the presence of basements, materials; Possible predicted loads that will experience the foundation, designs and depths of laying foundations in buildings located nearby, as they can displace groundwater and change their level, hydrogeological situation at the construction site, the prognosis of fusion and precipitation of soil when changing the seasons and Depending on the nature of groundwater. The structure and nature of the soil, which must be tested for compressibility, is also taken into account – an indicator of a decrease in soil volume at loads on it, the need to withdraw soil under the pit or preparing it with trim, even the number of seasons that will be needed for construction – this depends on the freezing of the soil if there is or lack of heating and full load on the foundation for one or more seasons.