考虑固结的摩擦型单桩ABAQUS数值模拟

Numerical Simulation of Friction Pile Considering Soil Consolidation Using ABAQUS

采用ABAQUS软件模拟桩土相互作用中的接触问题.利用ABAQUS软件中的主-从接触算法,在桩侧于土体之间建立了接触对;对桩身采用弹性模型,土体采用摩尔-库仑模型进行模拟,并考虑初始地应力的影响.通过对某大桥试桩的计算,得到了桩侧摩阻力的分布曲线,并对比了不考虑土体固结和考虑固结时桩体的沉降情况.

In this paper, ABAQUS software is used to simulate interaction between pile and soil. The pile-soil contact pair is built by the master-slave method. The model of pile is elastic, and Mohr-Coulomb elastic-plastic model is applied to soil. The initial stress is also considered. For example, a test-pile of a bridge is simulated. And the friction and settlement of the pile under the top loads are given. The settlement with consolidation is also compeared with non-consolidation.