摘要
反倾岩质边坡是我国大型水利枢纽、高速公路(铁路)工程、矿山工程建设过程中常见的一种层状岩质边坡。本文提出了反倾岩质边坡的稳定性评价方法,确定了破坏基准面。以嘎夏帕滑坡作为工程实例,利用所提出的计算公式进行了稳定性评价,讨论了不同破裂角条件下滑坡的破坏特征。实例分析表明:岩层力学参数对岩层稳定性产生影响,破裂角对岩层岩块的应力影响明显;存在结构面使得边坡更倾向于向结构面方向产生破坏。
Anti-toppling rock slope is a common layered rock slope in the process of construction of largescale water control project,highway(railway)project and mine engineering in China.Paper first puts forward the tilting rock slope stability evaluation method and determines the datum.Besides,taking Gaxiapa landslide of as an example,paper carries out the stability evaluation making use of the proposed calculation formula and discusses the characteristics of different rupture angle of landslide.Research shows that:the rock mechanics parameters effect on the stability of rock and the rupture angle of strata of rock stress effect is obvious;there is structural plane makes the slope is more inclined to cause damage to the structural plane direction.
作者
黄益灵
钱俊锋
李相慧
郑正加
周日
Huang Yiling;Qian Junfeng;Li Xianghui;Zheng Zhengjia;Zhou Ri(No.11Geological Unit of Zhejiang Province,Wenzhou Zhejiang325006,China;Zhejiang Institute of Geology and Mineral Resources,Hangzhou310007,China)
出处
《科技通报》
2019年第3期181-186,共6页
Bulletin of Science and Technology
关键词
反倾岩质边坡
刚体极限平衡法
滑坡
节理面
anti-toppling rock slope
rigid body limit equilibrium method
landslide
Joint surface
