2020•IOP Conference Series Earth and Environmental ScienceOpen access

Study on the role of cushion of composite ground and the choice of its depth

Liping Liu, Ping Li, Ting Du

Abstract

Abstract Cushion design on CFG pile composite foundation is an important part of CFG pile. Through theoretical analysis, the mechanism of cushion improving composite foundation is obtained, and the relationship curve of cushion thickness, modulus, pile-soil stress ratio, length of negative friction zone and settlement is analyzed, so as to provide basis for cushion thickness design of CFG pile composite foundation.

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Available abstract

Key concepts: Cushion, Pile, Settlement (finance), Composite number, Foundation (evidence), Geotechnical engineering, Structural engineering, Modulus