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基于各向异性本构模型的隧道支护控制

代春泉, 王磊, 王渭明

代春泉, 王磊, 王渭明. 基于各向异性本构模型的隧道支护控制[J]. 北京工业大学学报, 2012, 38(8): 1202-1207.
引用本文: 代春泉, 王磊, 王渭明. 基于各向异性本构模型的隧道支护控制[J]. 北京工业大学学报, 2012, 38(8): 1202-1207.
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DAI Chun-quan, WANG Lei, WANG Wei-ming. Tunnel Supporting Control Based on Anisotropic Constitutive Model[J]. Journal of Beijing University of Technology, 2012, 38(8): 1202-1207.
Citation: DAI Chun-quan, WANG Lei, WANG Wei-ming. Tunnel Supporting Control Based on Anisotropic Constitutive Model[J]. Journal of Beijing University of Technology, 2012, 38(8): 1202-1207.
shu

基于各向异性本构模型的隧道支护控制

  • 1. 山东科技大学 土木建筑学院, 青岛 266590;

  • 2. 山东省土木工程防灾减灾重点实验室, 青岛 266590

基金项目: 

国家自然科学基金资助项目(51174128).

详细信息
    作者简介:

    代春泉(1978—),男,博士研究生.主要从事岩土力学理论与应用,地下工程项目管理、风险管理,工程法律方面的研究,E-mail:dcqwin@163.com.

  • 中图分类号: TU43

Tunnel Supporting Control Based on Anisotropic Constitutive Model

  • 1. College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao 266590, China;

  • 2. Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation, Qingdao 266590, China

摘要

    摘要
  • 摘要: 为了采用传统的力学模型来描述各向异性条件下隧道的受力特征与变形分布规律,作者基于空间滑动面理论的各向异性弹塑性本构模型,通过C++编程形成动态链接库dll文件,进行了FLAC3D各向异性弹塑性本构关系的二次开发.模拟分析结果表明,在各向异性条件下,隧道锚杆受力呈非对称分布的状态,经破坏区锚杆加长后模拟分析,围岩塑性区明显减小,且锚杆受力趋向均匀.通过胶州湾隧道接线工程现场应用,基于各向异性本构关系的隧道关键区支护控制是可行的.
    Abstract: In order to describe the tunnel's stress and deformation distribution by traditional mechanical model,the anisotropic elastic plastic model based on SMP was used,and through forming the dll file by programming with C++,the FLAC3D secondary development of anisotropic elastic-plastic model was conducted.Results obtained from the simulation analysis indicate that the stress distribution of the tunnel anchors is asymmetric under the anisotropic condition.When the anchors in the plastic zone are lengthened,the plastic zone of the surrounding rock decreases obviously,and the stress distribution of the anchors becomes uniform.Through field application in Sichuan Road connecting line project of Jiaozhou Bay Tunnel,the key zone supporting method based on the anisotropic constitutive relationship proves to be available.
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    • 参考文献(23)
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出版历程
  • 收稿日期:  2010-10-17
  • 网络出版日期:  2022-12-02

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