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层状各向异性岩体破坏模式判据数值实现及工程应用

左双英, 史文兵, 梁风, 黄春, 赵蕊

左双英, 史文兵, 梁风, 黄春, 赵蕊. 层状各向异性岩体破坏模式判据数值实现及工程应用[J]. 岩土工程学报, 2015, 37(zk1): 191-196. DOI: 10.11779/CJGE2015S1036
引用本文: 左双英, 史文兵, 梁风, 黄春, 赵蕊. 层状各向异性岩体破坏模式判据数值实现及工程应用[J]. 岩土工程学报, 2015, 37(zk1): 191-196. DOI: 10.11779/CJGE2015S1036
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ZUO Shuang-ying, SHI Wen-bing, LIANG Feng, HUANG Chun, ZHAO Rui. Numerical simulation and engineering application for failure modes and criterion of layered anisotropic rock mass[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(zk1): 191-196. DOI: 10.11779/CJGE2015S1036
Citation: ZUO Shuang-ying, SHI Wen-bing, LIANG Feng, HUANG Chun, ZHAO Rui. Numerical simulation and engineering application for failure modes and criterion of layered anisotropic rock mass[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(zk1): 191-196. DOI: 10.11779/CJGE2015S1036
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层状各向异性岩体破坏模式判据数值实现及工程应用  English Version

  • 贵州大学资源与环境工程学院,贵州 贵阳 550025

基金项目: 国家自然科学基金项目（51469007）; 贵州省科学技术基金; 项目（黔科合J字[2012]2168）; 贵州省科教青年英才培养工程项目(黔; 省专合（2012）150号)
详细信息
    作者简介:

    左双英(1977- ),女,博士,副教授,主要从事地下工程方面的教学和研究。

Numerical simulation and engineering application for failure modes and criterion of layered anisotropic rock mass

  • College of Resources and Environment Engineering, Guizhou University, Guiyang 550025, China

摘要

    摘要
  • 摘要: 基于FLAC3D平台,针对层状岩体的力学行为和变形破坏机制建立反映横观各向同性的层状岩体各向异性模型。根据层状结构特性及变形特征,将层状岩体的破坏模式分为层间破坏和岩块破坏。层间破坏又分为层间拉裂、层面滑移、弯曲破坏,岩块破坏又分为拉裂破坏和剪切破坏,建立各种破坏模式的判据及计算方法。将计算过程应用于某水电站泄洪建筑物围岩稳定性分析中,各向同性和层状各向异性计算结果的对比分析说明层状岩体中的层面方位对围岩变形分布、破坏模式和塑性区扩展方向起到了控制作用。
    Abstract: According to the mechanical behavior and the deformation failure mechanism of layered rock mass, an anisotropic constitutive model for layered rock mass is established to reflect the transversely isotropic characteristics based on the FLAC3D platform. In the light of layered structure feature and deformation characteristics, the failure modes can be divided into interlaminar failure and rock damage. The former is subdivided into interlaminar crack, slip along bedding and bending failure, and the latter is subdivided into tensile failure and shear failure. Then the criteria of various failure modes and the corresponding modified methods for new stresses are proposed. The program is used to analyze the stability of the surrounding rock of underground sluice buildings on the right bank of a hydropower station. The comparison of the calculated results of isotropic and layered anisotropic constitutive model indicates that .the altitude of bedding planes of layered rock mass plays a control role on the deformation distribution, failure mode and the propagation direction of plastic zones.
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    • 参考文献(11)
  • [1] 鲜学福, 谭学术. 层状岩体破坏机理[M]. 重庆：重庆大学出版社, 1989. (XIAN Xue-fu, TAN Xue-shu. Failure mechanism of stratified rock mass[M]. Chongqing: Chongqing University Press, 1989. (in Chinese))
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出版历程
  • 收稿日期:  2015-03-25
  • 发布日期:  2015-07-24

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