Discussion on depth of diaphragm wall in top-down construction

GUAN Zhen-chang; XIE Xiong-yao; HUANG Hong-wei

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Discussion on depth of diaphragm wall in top-down construction

更新时间：2026-06-25

- Discussion on depth of diaphragm wall in top-down construction
- Vol. 26, Issue 7, (2005)
- 作者机构：
  
  同济大学地下建筑与工程系,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： O357.3
- Online First：17 December 2013，
  
  Published：2005
- 稿件说明：
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GUAN Zhen-chang, XIE Xiong-yao, HUANG Hong-wei. Discussion on depth of diaphragm wall in top-down construction[J]. 2005, 26(7).
DOI：

GUAN Zhen-chang, XIE Xiong-yao, HUANG Hong-wei. Discussion on depth of diaphragm wall in top-down construction[J]. 2005, 26(7). DOI：

摘要

基坑工程中围护结构入土深度，一般是由坑底抗隆起稳定性决定，现行规范规定推荐的圆弧滑动法的验算方法只是针对一般情况，特别是柔性围护结构。考虑逆作法施工的特点及其他一些有利因素的影响，提出修正的圆弧滑动法以适合刚性围护结构的抗隆起验算。并通过一个工程实例的设计验算，对逆作工况下地下连续墙入土深度进行一定的探讨和优化。

Abstract

In excavation engineering

the depth of retaining wall is generally determined by the analysis of anti-heaving stability. The checking formulas of current codes

arc-slippage method

is suited to general conditions

especially in the condition of flexible retaining wall. Considering the characteristics of top-down construction and other advantage factors

a so-called modified arc-slippage method is proposed for rigid retaining wall. And with the analysis of engineering instance

the depth of diaphragm wall in top-down construction could be optimized.

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