降雨作用下倾斜层理岩质边坡稳定性数值模拟分析  

Numerical Simulation Analysis on Stability of Inclined Bedded Rock Slope Under Rainfall

作　　者：杨朝义 王会云 李志鹏 陶川溢 YANG Chaoyi;WANG Huiyun;LI Zhipeng;TAO Chuanyi(Yunnan Diqing Nonferrous Metals Co.,Ltd.,Dêqên Tibetan Autonomous Prefecture,Yunnan 674400,China;Kunming Prospecting Design Institute of China Nonferrous Metals Industry Co.,Ltd.,Kunming,Yunnan 650000,China;School of Geosciences and Info-Physics,Central South University,Changsha,Hunan 410000,China)

机构地区：[1]云南迪庆有色金属有限责任公司,云南迪庆藏族自治州674400 [2]中国有色金属工业昆明勘察设计研究院有限公司,云南昆明650000 [3]中南大学地球科学与信息物理学院,湖南长沙410000

出　　处：《黑龙江交通科技》2024年第3期5-9,共5页Communications Science and Technology Heilongjiang

基　　金：基于地球物理-无人机低空遥感的滑坡立体监测预警方法研究,湖南省自然资源厅科技计划项目(2021-15);湖南地区典型不稳定斜坡智能监测预警及示范应用,湖南省重点研发计划(2020SK2135);矿山越界超深开采监管井地联合微震电子围栏研究,湖南省自然资源厅科技计划项目(2022-01)。

摘　　要：为研究倾斜层理的岩质边坡在降雨条件下的稳定性情况,结合云南普朗铜矿重点地质灾害协同演变及智能监测预警系统关键技术研究工程实践,选取普朗地区一处具有代表性的边坡,采用数值模拟软件进行单项流固耦合分析,从边坡的含水率、坡体位移和安全系数等方面,进行不同层理倾角的边坡稳定性分析。研究结果表明坡体处于稳定状态,层理倾角的大小会对边坡的稳定性产生影响,层理倾角为75°时,坡体的最大位移量最小,安全系数最大。In order to study the stability of inclined bedding rock slope under rainfall conditions,combined with the engineering practice of cooperative evolution of key geological disasters and key technologies of intelligent monitoring and early warning system in Yunnan Pulang Copper mine,a representative slope in Pulang area was analyzed by numerical simulation software,and the slope stability was analyzed from the aspects of water content,slope displacement and safety factor.The results show that the slope is in a stable state,and the bedding dip angle will affect the stability of the slope.when the bedding inclination angle is 75°,the maximum displacement of the slope is the smallest and the safety factor is the largest.

关 键 词：倾斜层理 岩质边坡 数值模拟 边坡稳定性 

分 类 号：U416.1[交通运输工程—道路与铁道工程]