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重庆交通大学学报（自然科学版）

重庆交通大学学报（自然科学版） ›› 2009, Vol. 28 ›› Issue (1): 29-32.DOI: 10.3969/j.issn.1674-0696.2009.01.09

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高地应力区断层带隧道施工力学研究

李鹏1,林志2,张亚兴1   

  1. 1.重庆交通大学土木建筑学院,重庆400074;2.重庆交通科研设计院隧道工程所,重庆400067
  • 收稿日期:2008-08-04 修回日期:2008-09-17 出版日期:2009-02-15 发布日期:2015-04-15
  • 作者简介:李鹏(1981—),男,湖北洪湖人,硕士研究生,主要从事隧道与地下结构相关方面的研究工作。E-mail:lipeng-hui127@163.com。

Study on Mechanical Behavior of Tunnel Construction at Fault Zone with High Ground Stress

LI Peng1,LIN Zhi2,ZHANG Ya-xing1   

  1. 1. School of Civil Engineering ＆ Architecture, Chongqing Jiaotong University, Chongqing 400074, China; 2. Department of Tunnel Engineering, Chongqing Communications Research ＆ Design Institute, Chongqing 400067, China
  • Received:2008-08-04 Revised:2008-09-17 Online:2009-02-15 Published:2015-04-15

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摘要： 应用有限差分软件FLAC3D对高地应力区断层带隧道工程中施工力学性态和变形空间效应进行数值模拟,分 析了隧道施工过程中作业面的空间效应,重点研究了隧道拱顶、拱脚及边墙围岩的位移、应力随施工步的变化规 律,为隧道优化设计和施工提供了参考依据。

关键词: 高地应力, 断层带, 数值模拟, FLAC3D

Abstract: Using the finite-difference software FLAC^3D, numerical simulation of the mechanical properties of construction and the effects of deformation space in the project with the tunnel at the fault zone with high ground stress is carried out. The space effect of excavation face is analyzed. The displacement which occurs at arch top, the skewback, surrounding rocks and boundary wall and the rule of rock＇s stress changing with the procedure of construction are focused, which offers referential basis to the optimum design and construction.

Key words: high ground stress , fault zone , numerical simulation , FLAC^3D ;

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