The results of large-scale field experiments to study the interaction of the bases with different shapes and sizes of the protrusions at the bottom with an inhomogeneous loess foundation . It is shown that the protrusion at the base of a significant effect on the VAT base .

Keywords: foundation , stress, strain , stamp , eccentricity , mean pressure

The questions of definition of subsidence by different methods. Points out the defects in the regulations and the factors that must be considered when determining the subsidence in the laboratory. The results determine the subsidence of its own weight of soil, obtained by different methods.

Keywords: subsidence, flooding, filtering, warping, base

Consider the problem the interaction of conical punch with soil base. A scheme of partition the study area into finite elements, The formulation problem, boundary conditions, allowing the equation. Presents some results the calculations.

Keywords: conical punch, foundation, base, axisymmetric problem, stress, displacement.