2009•Chinese Journal of Underground Space and EngineeringRequires access

Simplified Nonlinear Analysis of Pile Groups under Vertical Loading

Huang Mao-song

Abstract

According to the load transfer hyperbolic model of pile-soil interface,the single pile in layered soil is analyzed and solved with finite differential method,a simplified nonlinear method for analysis of settlement and internal force of single pile is presented.Considering the sheltering effect between passive piles and soil,the coefficient of pile-pile interaction is calculated.Taking into account the nonhomogeneity of soil and nonlinear interaction between piles and soils,the theoretical model agrees well with the real performance of soil.Comparisons are made between the results obtained from the method and field tests,and the feasibility of the proposed model for the analysis of pile groups is proved.

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Key concepts: Pile, Settlement (finance), Nonlinear system, Geotechnical engineering, Structural engineering, Engineering, Pile cap, Field (mathematics)