Design of a piled raft foundation as a three-component system "Pile-soil-raft"

Based on experimental and theoretical investigations of large-sized pile groups and pile foundations, it was stated that their design should be realized taking account of the interaction of three components: pile, soil and raft. To develop a method of a piled raft foundation design taking the above interaction into account, a complex of experimental and theoretical investigations is carried out which includes in-situ and model tests, numerical simulation and parametrical investigations. A numerical simulation of a stressed-deformed state of a piled raft foundation base is carried out using an axisymmetrical version of a program of an elasto-plastic design of the geotechnical structures. A parametrical investigation of loads redistribution in a pile raft foundation is carried out by calculation a raft on an elastic foundation.