Mechanical analysis of segment joint of shield tunnel and research on bilinear joint stiffness model

ZHU Wei; ZHONG Xiao-chun; QIN Jian-she

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Mechanical analysis of segment joint of shield tunnel and research on bilinear joint stiffness model

更新时间：2026-06-25

- Mechanical analysis of segment joint of shield tunnel and research on bilinear joint stiffness model
- Vol. 27, Issue 12, (2006)
- 作者机构：
  
  河海大学岩土工程研究所,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU451+.4
- Online First：09 December 2013，
  
  Published：2006
- 稿件说明：
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ZHU Wei, ZHONG Xiao-chun, QIN Jian-she. Mechanical analysis of segment joint of shield tunnel and research on bilinear joint stiffness model[J]. 2006, 27(12).
DOI：

ZHU Wei, ZHONG Xiao-chun, QIN Jian-she. Mechanical analysis of segment joint of shield tunnel and research on bilinear joint stiffness model[J]. 2006, 27(12). DOI：

摘要

盾构管片接头弯曲刚度K? 是盾构衬砌结构计算中的一个重要参数。根据管片接头构造特征，在传力衬垫和弹性密封橡胶试验资料的基础上，对管片接头进行受力分析，得到管片接头弯曲刚度与接头内力的非线性关系。为了应用方便，建立了实用的管片接头弯曲刚度的双直线模型。该接头刚度模型为梁-弹簧模型法和修正惯用法中的关键参数确定提供了基础，管片的内力计算也更加合理。

Abstract

Segment joint stiffness K? is an important parameter for the design of shield tunnel segment. Basing on the test data of load cushion and water-proof plastic

the joint’s mechanical characteristic has been analyzed and the nonlinear relation between the segment joint stiffness and joint’s internal force has also been obtained. In order to make convenient application for engineering

the article has established a bilinear joint stiffness model for shield segment joints. Because the model has provided the foundation to determine the key parameters of modified routine method and beam-spring method

calculation of shield tunnel segment becomes more rational.

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