顺层岩质边坡稳定性影响因素分析  

Study of influential factors on stability of bedding rock slopes

作　　者：孟刚[1] 余志雄[1] 

机构地区：[1]武汉大学水资源与水电工程科学国家重点实验室,武汉430072

出　　处：《岩土力学》2005年第S2期52-56,共5页Rock and Soil Mechanics

摘　　要：层状岩体抗剪强度具有各向异性的特点,在分析顺层岩质边坡的稳定性与剪切滑动面方向上需要考虑 c,Ψ值方向性变化的影响。首先提出层状岩体 c,Ψ值的表达式,然后在此基础上选用一顺层边坡作为实例,分别计算分析了坡高、岩层面倾角、坡顶堆载特别是强度参数 c,Ψ值各向异性对边坡稳定以及剪切面方向的影响。The shear strength of layered rocks possesses anisotropic characteristics.So in studing the slope stability and shear failure orientation the changes of c,φwith the layered directions should be considered.The expression of c,φfor layered rocks are proposed.Based on the expression,taking a bedding rock slope for example,the influences of changes of slope height,orientation of cleavage plane,loads on top of slope and c,φspecially on the stability and shear failure orientation are calculated and analyzed.

关 键 词：顺层边坡 岩层面 剪切滑动面 抗剪强度 

分 类 号：TU457[建筑科学—岩土工程]