Rigorous solution method for bearing capacity of rotating ground under eccentric loads

JIANG Peng-ming; LU Chang-feng; MEI Guo-xiong; NI Jun; YUAN Hua-rong

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Rigorous solution method for bearing capacity of rotating ground under eccentric loads

更新时间：2026-06-25

- Rigorous solution method for bearing capacity of rotating ground under eccentric loads
- Vol. 29, Issue 11, (2008)
- 作者机构：
  
  1. 江苏科技大学土木工程系,江苏,镇江,212003
  2. 南京工业大学土木学院,南京,210019
  3. 镇江市地质矿产研究所,江苏,镇江,212003
- 作者简介：
- 基金信息：
- DOI：
  CLC： O241
- Online First：07 August 2013，
  
  Published：2008
- 稿件说明：
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JIANG Peng-ming, LU Chang-feng, MEI Guo-xiong, et al. Rigorous solution method for bearing capacity of rotating ground under eccentric loads[J]. 2008, 29(11).
DOI：

JIANG Peng-ming, LU Chang-feng, MEI Guo-xiong, et al. Rigorous solution method for bearing capacity of rotating ground under eccentric loads[J]. 2008, 29(11). DOI：

摘要

根据偏心荷载作用下地基失稳的特征，构建了偏心荷重下地基极限状态时土体中不连续应力场和速度场，分析了土体中不连续应力场和速度场的特点。基于上、下限原理的推论，建立计算模型，构建求解地基极限承载力的算法，通过解三类边值问题，求得偏心荷重下转动浅基极限承载力的严密解，该解满足刚性基础转动的速度边界和其他已知的边界条件。算例表明解垂直偏心荷载下地基极限平衡问题的解法是可行的，且结论可靠。

Abstract

Based on the characters of ground failure under eccentric loads

the discontinuous stress fields and discontinuous velocity fields are constructed. The characters of discontinuous lines of stress and velocity are analyzed. By upper and lower bound theorems

the model of calculation and the method for bearing capacity are given. The stress fields and the corresponding mobile fields are obtained by the numerical calculation to solve three kinds of boundary value problems. The stress fields satisfied with all velocity boundaries are found. The rigorous solution of bearing capacity under eccentric loads is solved. The computation results show that the method proposed to solve the limit equilibrium problem is available.

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