预应力混凝土管桩竖向承载特性数值模拟研究  

Numerical simulation study on vertical bearing characteristics of PHC pipe pile

作　　者：郭佳诚 吴道祥 GUO Jiacheng;WU Daoxiang(Anhui Survey&Design Institute of Water Resources&Hydropower Co.Ltd,Hefei 230088,China;Hefei University of Technology,Hefei 230009,China)

机构地区：[1]安徽省水利水电勘测设计研究总院有限公司,安徽合肥230088 [2]合肥工业大学,安徽合肥230009

出　　处：《安徽水利水电职业技术学院学报》2023年第4期35-40,共6页Journal of Anhui Technical College of Water Resources and Hydroelectric Power

基　　金：合肥工业大学产学研校企合作项目(W2019JSFW0733)。

摘　　要：随机选取2根不同桩径、桩长的PHC管桩进行静载试验及其数值模拟,将现场静载试验结果与数值模拟结果进行对比分析,探讨静载试验数值模拟方法的适用性。在其他条件不变的情况下,探讨桩长、桩径、土层弹性模量和桩土摩擦系数等参数对桩基承载性能的影响。Two PHC pipe piles with different pile diameter and pile length are randomly selected for static load test and numerical simulation,and the results of static load test and numerical simulation are compared and analyzed,and the applicability of numerical simulation method for static load test ias discussed.The effects of pile length,pile diameter,elastic modulus of soil layer and friction coefficient of pile-soil on the bearing performance of pile foundation are discussed.

关 键 词：预应力混凝土管桩 数值模拟 极限承载力 

分 类 号：TU47[建筑科学—结构工程]