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山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (1): 92-99.doi: 10.6040/j.issn.1672-3961.0.2021.591

• • 上一篇    

基于连续-非连续元降雨工况三维边坡稳定性分析

牛犇1,张新伟2,周玉3,李婧1,徐兴全2,张一鸣1*   

  1. 1.河北工业大学土木与交通学院, 天津300401;2.北京市地质工程勘察院, 北京 100048;3.中国科学院力学研究所, 北京 100190
  • 发布日期:2023-02-13
  • 作者简介:牛犇(1997— ),男,山东临沂人,硕士研究生,主要研究方向为岩土工程. E-mail:1648022951@qq.com. *通信作者简介:张一鸣(1984— ),男,上海人,教授,博士,主要研究方向为岩土工程和土木工程防灾减灾. E-mail:yiming.zhang@hebut.edu.cn
  • 基金资助:
    国家自然科学基金资助项目(52178324);国家重点研发计划项目(2018YFC1505504)

Three-dimensional slope stability analysis based on continuum-discontinuum element rainfall condition

NIU Ben1, ZHANG Xinwei2, ZHOU Yu3, LI Jing1, XU Xingquan2, ZHANG Yiming1*   

  1. 1. School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China;
    2. Beijing Institute of Geological &
    Prospecting Engineering, Beijing 100048, China;
    3. Institute of Mechanics, Chinese Academy of Science, Beijing 100190, China
  • Published:2023-02-13

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摘要： 基于连续-非连续单元方法,引入应力场和渗流场数值耦合算法。根据兰营地区边坡地质条件建立高精度三维地质灾害模型,考虑不同降雨工况,对边坡稳定性进行分析,并与监测数据展开对比验证模型可靠性。研究表明,该边坡天然工况下安全系数为1.79,短时强降雨工况下边坡安全系数约为1.20,边坡破裂度为10.36%。经稳定性评价,该边坡在天然工况下处于基本稳定状态,在暴雨状态下处于欠稳定状态,存在一定失稳危险。

关键词: 连续-非连续单元法, 水力耦合, 降雨型滑坡, 模型验证, 数值模拟

中图分类号: 

  • TU45
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