Study on calculational method of ground settlement induced by level parallel pipe jacking

WEI Xin-jiang; WEI Gang

doi:10.16285/j.rsm.2006.07.022

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Study on calculational method of ground settlement induced by level parallel pipe jacking

更新时间：2026-06-25

- Study on calculational method of ground settlement induced by level parallel pipe jacking
- Issue 7, Pages: 1129-1132(2006)
- 作者机构：
  
  1. 浙江大学城市学院土木工程系
  2. 浙江大学城市学院土木工程系,杭州,310015
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2006.07.022
  CLC： TU433
- Published：2006
- 稿件说明：
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[1]魏新江,魏纲.水平平行顶管引起的地面沉降计算方法研究[J].岩土力学,2006(07):1129-1132.

WEI Xin-jiang, WEI Gang. Study on calculational method of ground settlement induced by level parallel pipe jacking[J]. 2006, (7): 1129-1132.
[1]魏新江,魏纲.水平平行顶管引起的地面沉降计算方法研究[J].岩土力学,2006(07):1129-1132. DOI： 10.16285/j.rsm.2006.07.022.

WEI Xin-jiang, WEI Gang. Study on calculational method of ground settlement induced by level parallel pipe jacking[J]. 2006, (7): 1129-1132. DOI： 10.16285/j.rsm.2006.07.022.

摘要

对水平平行双线顶管之间的相互作用进行了分析

提出了横向扰动区范围的计算公式。考虑先施工顶管对后施工顶管的影响

提出了一种新的后施工顶管地面沉降计算方法

并给出算例分析。分析表明

水平平行顶管施工时由于中间区域受到双重扰动

会产生较大的地面沉降。当两顶管轴线距离较近时

由于先施工顶管对周围土体产生的扰动会使后施工顶管产生的扰动加剧

后施工顶管引起的最大地面沉降值和沉降槽宽度都要变大

且地面沉降曲线是不对称的

其最大沉降点要偏向先施工顶管侧

但仍然可以采用Peck公式进行计算。

Abstract

The interaction of two level parallel pipe jacking is analyzed;and the calculation of lateral disturbance scope is advanced.Considering the effects of former pipe jacking on the latter

a new calculational method for ground settlement of latter pipe jacking is put forward with an analytical calculation example.It is shown that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction.Also

the surrounding soil disturbance due to former pipe jacking construction will strengthen the disturbance during latter pipe jacking construction when the axes of two pipe jacking are in close quarters.Thus

the maximum ground settlement and width of settlement trough during latter pipe jacking construction become greater.In addition

curves of ground settlement are dissymmetric for latter pipe jacking and can still be calculated with Peck formula.The maximum settlement point on curves leans towards the side of former pipe jacking.

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