某渣场炉渣高边坡整体稳定性分析  

Integral Stability Analysis of a Slag Yard High Slope

作　　者：李海宁 LI Haining(Kunming Design and Investigation Institute Co.Ltd.,China Nonferrous Metals Industry,Kunming 650051)

机构地区：[1]中国有色金属工业昆明勘察设计研究院有限公司,昆明650051

出　　处：《土工基础》2024年第4期600-603,共4页Soil Engineering and Foundation

基　　金：中国有色金属工业昆明勘察设计研究院有限公司科技计划项目(2019YN08)。

摘　　要：为了研究某炉渣高边坡治理后的的整体稳定性,采用强度折减有限元法和极限平衡法进行了分析。由治理后该炉渣高边坡前期研究成果确定边坡易滑区域,据此确定边坡分析范围,在此基础上建立边坡三维有限元分析模型。采用强度折减有限元法对该边坡稳定性进行模拟分析,获取了潜在滑动体和边坡稳定性安全系数,建立治理后该炉渣高边坡二维分析模型;采用极限平衡法对该边坡稳定性进行模拟分析,获取了潜在滑动面和边坡稳定性安全系数。模拟结果表明,强度折减有限元法计算得到的边坡稳定安全系数为1.25,在极限平衡法计算结果范围内,治理后该炉渣高边坡稳定性良好。A finite element analysis with the shear strength reduction method and the limit equilibrium methods are used to study the integral stability of a high slope of a slag yard after the mitigation.A three-dimensional FEM model of the high slope is established based on the previous research results.The stability of the slope is analyzed by using the shear strength reduction finite element method to obtain the slope stability factor of safety and the potential sliding-plane.The stability of the slope is also analyzed by using the limit equilibrium method to obtain the factor of safety.The results show that the factor of safety for the slope stability by the shear strength reduction method is 1.25 and it is within the range of those by limit equilibrium method.The high slope of the slag yard after the mitigation is stable.The study in this paper can serve as a reference for the similar engineering projects.

关 键 词：炉渣高边坡 强度折减有限元法 安全系数 

分 类 号：P642[天文地球—工程地质学]