Influence of foundation stiffness on deformation of layered building structures

Widespread introduction into the industry of layered structures, in particular three-layer plates, shells and is impossible without effective methods their strength reliability. High rigidity at relatively low weight damping thermal insulation properties these structures have led to use modern construction mechanical engineering. Three-layer plates shells, as a rule, are combination materials heterogeneous physical properties. The calculation such very complex task, solution which should be based on mathematical models with high degree reliability reflect real During operation, under influence significant static loads. Therefore, development cost-effective for solving problems statics systems an urgent problem. In transport construction, scheme form plate elastic basis used calculate pavement, slabs. paper considers bending rigid filler, basis. Hypotheses broken line accepted description kinematics deformation. contour has diaphragm, prevents relative displacement layers. Analytical numerical calculations finite element method were performed. As result calculation, dependences deflection stiffness coefficient base determined. Recommendations choice factor given. Taking account leads clarification stress state that occurs external force. structure analyzed, it gives opportunity determine optimal parameters this system, give necessary recommendations its use.