单桩载荷试验的数值模拟

基于有限差分方法并结合工程实际资料,建立单桩加载试验的数值模型,将计算结果与工程试验结果进行对比,验证了数值模型,并对模型的参数进行了标定,在此基础上研究单桩加载试验的过程,研究结果表明桩径对于单桩承载力试验有着很大的影响,同时论证了桩土相互作用下的位移特性以及桩土作用机理.

The Numerical Simulation of the Single Pile Load Test

Based on finite difference method and combined with practical engineering data, the numerical model of single pile loading test has been established. Comparing the calculated results and engineering test results, verified the numerical model, and carried out the calibration of model parameters. On this base study the test process of single pile loading. Research results show that pile diameter has great influence on the single pile bearing capacity test, meanwhile, displacement characteristics under the interaction of pile soil and mechanism of piles soil have been demonstrated.