The effects of deep well dewatering on the earth pressure of supporting structure

WANG Cui-ying; ZHANG Hong-chang; ZHANG Wen-jin

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The effects of deep well dewatering on the earth pressure of supporting structure

更新时间：2026-06-25

- The effects of deep well dewatering on the earth pressure of supporting structure
- Vol. 25, Issue 11期　刊出日, (2004)
- 作者机构：
  
  1. 中国地质大学工程学院,湖北,武汉,430074
  2. 湖北工业大学,湖北,武汉,430000
  3. 中南勘察设计院,湖北,武汉,430071
  4. 总参工程兵科研三所五室,湖北,武汉,430010
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV233.4
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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WANG Cui-ying, ZHANG Hong-chang, ZHANG Wen-jin. The effects of deep well dewatering on the earth pressure of supporting structure[J]. 2004, 25(11期　刊出日).
DOI：

WANG Cui-ying, ZHANG Hong-chang, ZHANG Wen-jin. The effects of deep well dewatering on the earth pressure of supporting structure[J]. 2004, 25(11期　刊出日). DOI：

摘要

在目前深基坑开挖过程中，一般要采用降水措施以保证基坑干燥，便于施工。基坑降水会引起基坑内外地下水渗流，地下水状态随之改变，同时也会引起土的物理、力学性质的改变，直接影响作用于支护结构上土压力的大小。传统的水土合算和水土分算是两种极端的处理方式，在基坑降水过程中，根据具体土层选择适当的降水模型，并考虑渗流的影响，对挡土结构的设计具有重要意义。

Abstract

During excavation of deep foundation pit

a lot of dewatering measures are adopted to ensure that the foundation pit is dry and the construction is convenient. The dewatering of foundation pit can cause the seepage outside and inside the foundation pit

and result in the changes of groundwater

earth pressure and mechanical properties

and directly affect the earth pressure acting on supporting structures. There are two kinds of method to calculate earth pressure

respectively

the calculation of separating water and soil from earth pressure and the calculation of mixing water and soil into earth pressure. Therefore

It is very important that the proper dewatering model should be selected and the seepage is considered when the supporting structure is designed in the process of dewatering of foundation pit

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