Analysis of mechanical characteristic of shield tunnel segments lining and its influence during construction

YE Fei; HE Chuan; WANG Shi-min

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Analysis of mechanical characteristic of shield tunnel segments lining and its influence during construction

更新时间：2026-06-25

- Analysis of mechanical characteristic of shield tunnel segments lining and its influence during construction
- Vol. 32, Issue 6, (2011)
- 作者机构：
  
  1. 长安大学桥梁与隧道陕西省重点实验室,西安,710064
  2. 西南交通大学地下工程系,成都,610031
- 作者简介：
- 基金信息：
- DOI：
  CLC： U45
- Online First：21 June 2011，
  
  Published：2011
- 稿件说明：
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YE Fei, HE Chuan, WANG Shi-min. Analysis of mechanical characteristic of shield tunnel segments lining and its influence during construction[J]. 2011, 32(6).
DOI：

YE Fei, HE Chuan, WANG Shi-min. Analysis of mechanical characteristic of shield tunnel segments lining and its influence during construction[J]. 2011, 32(6). DOI：

摘要

针对施工期盾构隧道管片衬砌的受力特性及其施工荷载对管片结构造成的影响开展研究。首先，对施工期管片所受施工荷载进行系统总结，包括千斤顶推力、注浆压力、上浮力、盾壳作用力、拼装荷载及其他荷载等；进而将施工阶段管片衬砌的受力特性归纳为典型三维特性、不确定性及不可忽视性等三方面。在此基础上，对施工荷载对管片结构的影响进行了分析讨论，包括施工期的管片裂缝、局部破损、止水条损坏、管片渗漏、管片错台等。最后，从掘进千斤顶控制、注浆压力控制、螺栓二次预紧等角度对施工期盾构隧道的管片破损保护工作提出了建议。分析表明，对盾构隧道施工期管片受力特性及其影响的研究亟待深入，管片设计及相关规范亦应更加重视施工荷载的作用及其影响

Abstract

The mechanical characteristic of shield tunnel segments lining and its influence during construction are analyzed. Firstly

the construction loads are divided into jack thrust force

grouting force

buoyancy

shield shell press

installation load

and other loads

etc. Then

the mechanical characteristic of shield tunnel segments lining is summarized as the typical three-dimensional character

indetermination

and the innegligible character. Afterwards

the influence of the construction loads on segments lining is discussed

including the cracks

partial breakage

sealing strip falling

segments leakage

and segments dislocation. Finally

some advices to protect the shield segments during construction are presented

such as jack controlling

grouting pressure controlling

and the repeated tightening the bolts. The result shows that the analysis of the mechanical characteristic of shield tunnel segments lining and Its influence during construction is imperative

and the construction loads should be emphasized in segments designing and the correlative criferia.

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