考虑位移影响的土压力非线性计算

王正振; 龚维明; 戴国亮; 刘晓光; 赵欣欣; 郭辉

doi:10.11779/CJGE2019S2061

考虑位移影响的土压力非线性计算 English Version

王正振^{1, 2},
龚维明^{1, 2},
戴国亮^{1, 2},
刘晓光³,
赵欣欣³,
郭辉³

1.东南大学混凝土及预应力混凝土结构教育部重点实验室,江苏南京 210096;
2.东南大学土木工程学院,江苏南京 210096;
3. 中国铁道科学研究院铁道建筑研究所,北京 100081

基金项目: 中国铁路总公司科技研究开发计划课题（2017G006-A）; 江苏省建筑产业现代化科技支撑项目; “中央高校基本科研业务费专项资金项目”和“江苏省研究生科研与实践创新计划项目（KYCX17_0117）”

详细信息

作者简介:
王正振(1989— ),男,博士研究生,主要从事沉井、桩基础、深基坑等岩土工程研究工作。E-mail：230159416@seu.edu.cn。

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出版历程
- 收稿日期: 2019-04-28
- 发布日期: 2019-07-19

Nonlinear calculation of earth pressures considering displacement effect

1. Key Laboratory of Concrete and Prestressed Concrete Structure of Ministry of Education, Southeast University, Nanjing 210096, China;
2. Department of Civil Engineering, Southeast University, Nanjing 210096, China;
3. Railway Engineering Research Institute, China Academy of Railway Sciences, Beijing 100081, China

摘要

摘要: 极限土压力理论计算结果与工程实测数据偏差较大。为解决该问题,以朗肯土压力理论为出发点,借鉴双参数法思想,提出了一种考虑位移影响且同时适用于黏土和砂土的主、被动土压力计算方法,利用试验数据对本文方法进行了验证;将本文土压力计算方法与地下结构弯曲微分方程相结合,通过迭代即可得到地下结构的内力及变形,通过算例对该过程进行了分析说明。
- 土压力 /
- 位移影响 /
- 非线性 /
- 计算参数 /
- 迭代方法
Abstract: There is much difference between the calculated results of ultimate earth pressure theory and the experimental ones. To solve this problem, based on the Rankine's earth pressure theory and the two-parameter method, an earth pressure method considering displacement effect, which can calculate active and passive earth pressures for both cohesive soil and non-cohesive soil, is proposed and validated by the experimental data. By combining the earth pressure method with the bending differential equation of underground structures, the internal force and displacement of the underground structures can be obtained through iteration. The process is analyzed by an example.
- earth pressure /
- displacement effect /
- nonlinearity /
- parameter /
- iteration method

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参考文献(11)

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