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输水盾构隧道管片接头力学与变形模型研究

闫治国, 丁文其, 沈碧伟, 彭益成

闫治国, 丁文其, 沈碧伟, 彭益成. 输水盾构隧道管片接头力学与变形模型研究[J]. 岩土工程学报, 2011, 33(8): 1185-1191.
引用本文: 闫治国, 丁文其, 沈碧伟, 彭益成. 输水盾构隧道管片接头力学与变形模型研究[J]. 岩土工程学报, 2011, 33(8): 1185-1191.
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YAN Zhi-guo, DING Wen-qi, SHEN Bi-wei, PENG Yi-cheng. Structural model for radial joints of water-conveyance shield tunnels[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(8): 1185-1191.
Citation: YAN Zhi-guo, DING Wen-qi, SHEN Bi-wei, PENG Yi-cheng. Structural model for radial joints of water-conveyance shield tunnels[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(8): 1185-1191.
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输水盾构隧道管片接头力学与变形模型研究  English Version

  • 1. 同济大学地下建筑与工程系，上海 200092 ； 2. 同济大学岩土及地下工程教育部重点实验室，上海 200092

基金项目: 国家自然科学基金项目（ 50878149 ）；教育部新世纪优秀人才支持计划（ NCET-08-0402 ））；上海市重点学科建设项目（ B308 ）
详细信息
    作者简介:

    闫治国 (1977 – ) ，男，内蒙古兴和人，博士，讲师，硕士生导师，主要从事隧道及地下工程防灾减灾方面的教学与科研工作。

  • 中图分类号: U455.7

Structural model for radial joints of water-conveyance shield tunnels

  • 1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China

摘要

    摘要
  • 摘要: 输水盾构隧道的管片受到高内水压的作用，接头的变形问题非常突出，这直接决定了接头的防水构造形式。目前大多数管片环向接头的变形都是根据经验，并参考类似工程选取，这必然带来很大的随机性。而由于时间和成本问题，所有隧道工程都做足尺试验不现实。克服以往接头力学与变形模型的不足，考虑弹性密封衬垫的受力、接头混凝土的弹塑性变化以及螺栓预紧力，建立了接头力学计算模型；考虑了受压区混凝土的压缩变形，螺栓变形和手孔铸铁件的局部变形，建立了一个新的接头变形计算模型。同时进行了隧道管片 1 ∶ 1 接头试验，将试验得到的螺栓拉力和接头变形值与理论计算值进行比较。结果表明：本模型能比较真实地反映接头的受力和变形情况。
    Abstract: In the water-conveyance shield tunnel, the joint deformation is an important factor which determines the waterproofing form. Since there is no general formula to calculate the deformation of radial joints, a full scale test is a practical approach. But it is too expensive to carry out a full scale test for every project compared with the existing common methods for the determination of deformation which introduces much casualness to engineering projects. By considering the force of gasket, the elastic-plastic behaviors of concrete and the prestressed tension force of bolts, a joint structural model is established. By considering the deformation of concrete, the deformation of bolts and the deformation of splice plate, a deformation model is established and the deformations are calculated. At the same time, a full-scale radial joint test is carried out. The results of the analysis show that the tension force in bolts and deformations calculated by the two models are close to the test values.
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    • 参考文献(10)
  • [1] 刘建航, 侯学渊. 盾构法隧道 [M]. 北京: 中国铁道出版社, 1991. (LIU Jian-hang, HOU Xue-yuan. Shield tunnel[M]. Beijing: China Railway Press, 1991. (in Chinese))
    [2] 日本土木学会, 朱伟译. 隧道标准规范 ( 盾构篇 ) 及解说 [M]. 北京: 中国建筑工业出版社, 2001. (Japan Society of Civil Engineers. Japanese standard for shield tunneling[M]. Beijing: China Architecture & Building Press, 2001. (in Chinese)).
    [3] 钟小春, 朱 伟, 秦建设. 盾构隧道衬砌管片通缝与错缝的比较分析 [J]. 岩土工程学报, 2003, 25 (1): 109 – 112. (ZHONG Xiao-chun, ZHU Wei, QIN Jian-she. The comparison of shield tunnel with segment seams in sequence and in stagger[J]. Chinese Journal of Geotechnical Engineering, 2003, 25 (1): 109 – 112. (in Chinese))
    [4] 曾东洋, 何 川. 地铁盾构隧道管片接头抗弯刚度的数值计算 [J]. 西南交通大学学报, 2004, 39 (6): 744 – 748. (ZENG Dong-yang, HE Chuan. Numerical simulation of segment joint bending stiffness of metro shield tunnel[J]. Journal of Southwest Jiaotong University, 2004, 39 (6): 744 – 748. (in Chinese))
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    [8] 顾祥林. 混凝土结构基本原理 [M]. 上海: 同济大学出版社, 2004. (GU Xiang-lin. Reinforced concrete structures[M]. Shanghai: Tongji University Press, 2004. (in Chinese))
    [9] TIMOSHENKO S P, GOODIER J N. Theory of elasticity[M]. 3 rd. Beijing: Tsinghua University Press, 2004.
    [10] 《建筑结构静力计算手册》编写组. 建筑结构静力计算手册 [M]. 第二版. 北京: 中国建筑工业出版社, 1998. (Working group of Handbook of Building Structural Statics. Handbook of building structural statics[M]. 2nd ed. Beijing: China Architecture & Building Press, 1998. (in Chinese))
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出版历程
  • 收稿日期:  2010-07-19
  • 发布日期:  2011-08-14

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