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复杂结构面缓倾层状岩体边坡破坏机制

王林峰, 唐红梅, 唐芬, 叶四桥

王林峰, 唐红梅, 唐芬, 叶四桥. 复杂结构面缓倾层状岩体边坡破坏机制[J]. 岩土工程学报, 2017, 39(12): 2253-2260. DOI: 10.11779/CJGE201712014
引用本文: 王林峰, 唐红梅, 唐芬, 叶四桥. 复杂结构面缓倾层状岩体边坡破坏机制[J]. 岩土工程学报, 2017, 39(12): 2253-2260. DOI: 10.11779/CJGE201712014
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WANG Lin-feng, TANG Hong-mei, TANG Fen, YE Si-qiao. Failure mechanism of gently inclined bedding rock mass slopes with complex fissures[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(12): 2253-2260. DOI: 10.11779/CJGE201712014
Citation: WANG Lin-feng, TANG Hong-mei, TANG Fen, YE Si-qiao. Failure mechanism of gently inclined bedding rock mass slopes with complex fissures[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(12): 2253-2260. DOI: 10.11779/CJGE201712014
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复杂结构面缓倾层状岩体边坡破坏机制  English Version

  • 重庆交通大学水利水运工程教育部重点实验室,重庆 400074

基金项目: 国家自然科学基金项目（51408084,51378521,51678097）; 重庆市教委2014年度科学技术研究项目（KJ1400317）; 重庆交通大学地质资源与地质工程重点学科专项经费（2013D-1）; 重庆交通大学校内科学基金课题（2013kjc043）
详细信息
    作者简介:

    王林峰(1983- ),男,副教授,硕士生导师,主要从事地质灾害减灾理论与控制技术研究。E-mail：wanglinfeng@cqjtu.edu.cn。

  • 中图分类号: TU45

Failure mechanism of gently inclined bedding rock mass slopes with complex fissures

  • Key Laboratory of Hydraulic and Waterway Engineering of the Ministry of Education, Chongqing Jiaotong University, Chongqing 400074, China

摘要

    摘要
  • 摘要: 缓倾层状岩体边坡在结构面的切割下易发生崩塌灾害。以含有两组及两组以上结构面的复杂缓倾角岩体边坡为研究对象,首先基于断裂力学和材料力学,建立了复杂缓倾角岩体边坡层间荷载和稳定系数的计算方法,然后以重庆綦江羊叉河缓倾岩体边坡为例分析了边坡的稳定性,计算结果与边坡现场破坏情况基本一致。再通过数值模拟得到了重庆綦江羊叉河缓倾岩体边坡的稳定系数,模拟结果与计算结果基本一致。最后通过数值模拟揭示了重庆綦江羊叉河缓倾岩体边坡的破坏模式与规律,边坡下部岩腔破坏的主要诱因为压力。建立的复杂缓倾角岩体边坡层间荷载和稳定系数的计算方法可为复杂缓倾角岩体边坡防治结构的设置提供理论依据。
    Abstract: The collapse disasters are easily caused by the cut of fissures in gently inclined bedding rock mass slopes. The complex gently inclined bedding rock mass slope containing two fissures is studied. At first, based on the fracture mechanics and the mechanics of materials, a method for calculating the load and stability coefficient of complex gently inclined bedding rock mass slopes is established. For the case of Yangchahe gently inclined bedding rock mass slope in Qijiang County of Chongqing, the slope stability is calculated, and the results are the same as the field damage situations. Then the stability coefficient of the gently inclined bedding rock mass slope is obtained through numerical simulation. The numerical results are the same as the calculated ones. The numerical results reveal the damage mode and rules of Yangchahe gently inclined bedding rock mass slope. The compressive stress is the main factor for the damage of rock cells. The proposed method for the load and stability coefficient of complex gently inclined bedding rock mass slope may provide a theoretical basis for the design and layout of the relevant control structures.
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    • 参考文献(15)
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出版历程
  • 收稿日期:  2016-09-29
  • 发布日期:  2017-12-24

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