预制桩沉桩可行性分析实用方法
- 摘 要
-
刘金皊1,张益凡1,李娜1,李东2(1 中国联合工程公司, 杭州 310022; 2 上海大学土木工程系, 上海 200444)[摘要]对预制桩沉桩阻力发生机理进行了探讨,在此基础上,结合试验研究、有限元仿真分析以及工程经验,提出了沉桩阻力估算方法、沉桩过程中桩身允许抗压承载力计算公式和沉桩可行性判别标准。方法在工程实践中取得了较为满意的效果。[关键词]预制桩; 沉桩阻力; 桩身承载力; 实用方法; 可行性分析中图分类号:TU473文献标识码:A文章编号:1002848X(2013)11009206Practical method research on feasibility analysis of precast pilesinkingLiu Jinling1, Zhang Yifan1, Li Na1, Li Dong2 (1 China United Engineering Corporation, Hangzhou 310022, China; 2 Department of Civil Engineering, Shanghai University, Shanghai 200444, China)Abstract:The mechanism of pilesinking resistance was discussed. Based on the experimental study, finite element analysis and experiences, the methods were posed, which can calculate pilesinking resistance and bearing capacity of pile. A practical method to analyzing the feasibility of pilesinking was posed and applied in engineering. The results showed that this method has desirable satisfactory effect in actual engineering.Keywords:precast pile; pilesinking resistance; bearing capacity of pile; practical method; feasibility analysis*中国联合工程公司技术发展基金项目(10ky\|15)。作者简介:刘金皊,硕士,高级工程师,一级注册结构工程师,注册土木工程师(岩土),Email:liujl@chinacuc.com。参考文献[1]高大钊. 软土地基理论与实践[M]//朱小林. 预估桩的沉桩阻力和沉桩可能性. 上海:同济大学出版社,1992:125131.[2]郑刚,顾晓鲁. 软土地基上静力压桩若干问题的分析[J]. 建筑结构学报,1998,19(4):5460.[3]张明义,刘俊伟,王静静,等.计算静压桩沉桩阻力的综合调节系数法[J]. 重庆建筑大学学报:自然科学版,2007,29(6):3538.[4]李雨浓,李镜培,赵仲芳. 基于静力触探试验的静压桩阻力估算[J]. 路基工程,2010,150(3):6769.[5]樊向阳,顾国荣,黄宏伟. 上海地区沉桩阻力估算方法分析探讨[J].力学季刊, 2004,25(2):219225.