Stress analysis of thick cylinder supporting structure under eccentric load

HU Chun-lin; XU Juan; XIAO Cong

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Stress analysis of thick cylinder supporting structure under eccentric load

更新时间：2026-06-25

- Stress analysis of thick cylinder supporting structure under eccentric load
- Vol. 33, Issue 7, (2012)
- 作者机构：
  
  武汉理工大学土木工程与建筑学院,武汉,430070
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV551.4
- Online First：13 July 2012，
  
  Published：2012
- 稿件说明：
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HU Chun-lin, XU Juan, XIAO Cong. Stress analysis of thick cylinder supporting structure under eccentric load[J]. 2012, 33(7).
DOI：

HU Chun-lin, XU Juan, XIAO Cong. Stress analysis of thick cylinder supporting structure under eccentric load[J]. 2012, 33(7). DOI：

摘要

厚壁圆筒由于能充分发挥材料的抗压特性而越来越多地应用到基坑支护结构工程之中，传统的设计计算主要是在均布压力作用下厚壁圆筒的拉梅解。为了解决实际工程中经常遇到的偏心受压问题，给出了一个偏心荷载作用下厚壁圆筒的应力解析解，并结合工程实例对圆筒支护结构受力进行简化处理后，将解析解应用于计算偏心受压厚壁圆筒支护结构中的拉应力，特别是讨论了地下水位不均匀变化、地面不均匀堆载和土层不均衡开挖等可能会引起较大的圆筒环向拉应力和在圆筒内、外表面产生竖向裂缝，从而对圆筒支护结构产生不利影响。有利于指导对圆筒截面的配筋和控制基坑的开挖施工。

Abstract

Due to the thick cylinder can give fully play to the compressive characteristic of materials

it is widely used in foundation pit engineering. The traditional design and calculation method is Lame solution of the thick cylinder which is mainly under the uniform pressure. In order to solve the eccentric load problem in practical engineering

an analytical solution of the thick cylinder under eccentric load is given. Combining with the engineering practice

the stress state of the cylinder supporting structure is simplified; the analytical solution is applied to calculating tensile stress of the thick cylinder supporting structure under eccentric load. Especially the effects of the uneven variety of groundwater level

ground uneven loading and the unbalanced excavation of the soil layer on the supporting structure are all discussed. The effects may cause large hoop tensile stress and vertical cracks on both internal and external surfaces of the cylinder. It has an important guiding role for cylinder section reinforcement design and excavation construction control.

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