Experience in Designing and Calculating Slab Foundations of a Two-Section Multi-story Building on Weak Water-Saturated Soils

The paper presents the results of field surveys of the settlements of adjacent multi-story buildings on large-sized slab foundations, the soil base of which is composed of weak water-saturated sandy soils on top. The settlements of the building were surveyed during its construction using the high-precision Class 2 leveling method. The analysis of the results and comparison of the theoretical and actual values of the settlements of the building show the possibility of using of the model of the soil base as a linear elastic layer of finite width has been confirmed for forecasting adequate deformations of sectional buildings on large-sized slab foundations which are based on weak water-saturated soils on top. However, it is necessary to additionally consider the processes of filtration consolidation of sandy and clayey soils within the compressible mass of the base, as well as the process of mechanical suffusion of sand particles into crushed stone bed.