基于多种分析方法的岩质边坡稳定性研究  

Study on Stability of Rock Slope Based on Multiple Analysis Methods

作　　者：何云[1] 徐呈祥 HE Yun;XU Cheng-xiang(Guizhou Transportation Planning Survey&Design Academe Co.Ltd.,Guiyang 550081,China)

机构地区：[1]贵州省交通规划勘察设计研究院股份有限公司,贵阳550081

出　　处：《工程建设与设计》2024年第9期26-30,共5页Construction & Design for Engineering

摘　　要：以某岩质高边坡为研究对象,采用楔形体滑动、圆弧滑动及离散元数值模拟等方法对边坡稳定性及治理方案进行综合分析研究。研究结果表明:按设计坡率为1∶0.3进行开挖后坡体主要发生楔形体滑动及圆弧滑动破坏,开挖完成后坡脚变形大,边坡治理工程措施不具备实施性;按边坡放坡坡率为1∶1进行分析,坡体稳定性系数满足规范要求,同时开挖完成后坡脚变形相对减小。最后基于边坡稳定性计算分析对边坡治理方案提出针对性建议。This paper takes a high rock slope as the research object,and uses methods such as wedge sliding,circular sliding,and discrete element numerical simulation to comprehensively analyzed and studied the stability and treatment plan of the slope.The research results indicate that after excavation with a design slope rate of 1∶0.3,the slope mainly undergoes wedge sliding and circular sliding failure.After excavation is completed,the deformation of the slope toe is large,and the slope treatment engineering measures are not feasible;According to the analysis of the slope grading ratio of 1∶1,the stability coefficient of the slope meets the requirements of the specifications,and the deformation of the slope foot is relatively reduced after excavation is completed.Finally,based on the calculation and analysis of slope stability,the author puts forward specific suggestions on slope treatment scheme.

关 键 词：岩质高边坡 变形破坏机制 楔形体 圆弧滑动 数值模拟 边坡稳定性 

分 类 号：U416.1*4[交通运输工程—道路与铁道工程]