桩基厚承台结构非线性分析

Nonlinear Structural Analysis on Thick Cushion Cap of Pile Foundation

建立公路常见多柱情况下桩基厚承台非线性有限元计算力学模型,运用有限元分析软件,对桩基厚承台进行从加荷、开裂、屈服直至破坏的全过程非线性有限元计算,分析裂缝扩展情况、应力分布规律和传力机理,为桩基厚承台传力模型的建立提供理论计算依据。

The paper carries out the whole process nonlinear analysis on thick cushion cap of multi-pile foundation by establishing finite-element computational model,separately studying on crack expansion scale,stress distribution rule and load transmission mechanism under loading,cracking,yielding and damaging,so as to supply theory support for the establishment of load transmission model.