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考虑桩土作用的单桩承载特性有限元分析

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根据某工程的实际检测数据,分析桩基础在竖向受荷状态下的承载性能,通过选择合适的接触面参数,使用ANSYS有限元软件对该工程的单桩静载试验进行数值模拟分析.本文分析不同荷载下的沉降曲线、轴力、桩侧阻力以及桩土相对位移量的曲线.计算结果显示:数值模拟现场单桩静载试验是可行的,模拟沉降曲线和实测值拟合程度较好,并在此基础上分析了桩长、桩径参数对单桩承载性能的影响.
Finite Element Analysis of Single Pile Bearing Characteristics Considering Pile-soil Action
According to the actual testing data of a project,the bearing properties of pile foundation under ver-tical loading condition were analyzed,and the single pile static load test of the project was numerically simulated and analyzed by choosing suitable geological parameters of soil and using ANSYS finite element software.This paper analyzes settlement curves,axial force,pile lateral resistance,and curves of relative pile-soil displacements.The calculation results show that numerical simulation of on-site single pile static load test is feasible,and the simulated settlement curves and measured values are well fitted.And on this basis,the influence of pile length and pile diameter parameters on the bearing performance of single pile was analyzed.

Settlement curvePile-soil interactionNumerical simulationContact unitParametric analysis

熊文、潘建平

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江西理工大学土木与工程测绘学院

沉降曲线 桩土相互作用 数值模拟 接触单元 参数分析

2025

广东建材
广东省建筑材料研究院

广东建材

影响因子:0.681
ISSN:1009-4806
年,卷(期):2025.41(1)