IMECH-IR  > 流固耦合系统力学重点实验室
Alternative TitleStability analysis method for bedding rock slopes under seismic load
冯春; 李世海; 王杰
Source Publication岩土工程学报
Other AbstractThe seismic load is considered as a dynamic load, which results in the loss of the cohesion and tensile strength of the structural face. A new stability analysis method is proposed based on the dynamic analysis approach and the limit equilibrium method. For getting the dynamic safety factor, the continuum-based discrete element method considered as a dynamic analysis approach is adopted to get the residual strength, and then the limit equilibrium method is used to calculate the safety factor under gravity according to the residual strength. The analysis shows that it is unsuitable using the pseudo-static method to evaluate the dynamic stability of bedding rock slopes. Three-stage feature (horizontal stage, quick-decline stage and horizontal stage) of dynamic safety factor can be obviously gotten by the proposed method, while the safety factor decreases gradually with the increase of the fortification intensity by the pseudo-static method. Moreover, the dynamic safety factor affected by the seismic frequency can also be obtained by the new method.
Keyword地震力 顺层岩质边坡 安全系数 Cdem 拟静力法
Subject Area岩体力学和土力学
Indexed ByCSCD ; EI
Funding Organization国家重点基础研究发展计划(973)项目(2010CB731506); 国家自然科学基金青年基金项目(11002146); 铁道部科技研究开发计划资助项目(2008G027-E、2008G028-D)
Citation statistics
Cited Times:6[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author冯春
Recommended Citation
GB/T 7714
冯春,李世海,王杰. 基于CDEM的顺层边坡地震稳定性分析方法研究[J]. 岩土工程学报,2012,34(4):717-724.
APA 冯春,李世海,&王杰.(2012).基于CDEM的顺层边坡地震稳定性分析方法研究.岩土工程学报,34(4),717-724.
MLA 冯春,et al."基于CDEM的顺层边坡地震稳定性分析方法研究".岩土工程学报 34.4(2012):717-724.
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