摘要
本文以某建筑用花岗岩矿边坡为研究对象,根据矿山开采现状、工程地质条件选取边坡稳定性计算剖面,通过三轴压缩强度试验获取岩体的物理力学参数,采用M-P法和Bishop在自重+地下水+爆破震动荷载工况计算现状边坡及设计边坡的稳定性系数,最终边坡角以向下取1°和2°进行优化。计算结果显示:该矿现状边坡局部稳定性系数为不满足要求,该矿采场边坡整体边坡角可从47°优化成47.5°,优化后稳定性系数满足要求。
Take a construction granite mine slope as the research object,according to the mining status quo,engineering geological conditions to select the slope stability calculation profile,through the triaxial compression strength test to obtain the physical and mechanical parameters of the rock body,using the M-P method and Bishop in the self-weight+groundwater+blasting vibration loading conditions to calculate the stability coefficients of the status slopes and the design of slopes,and ultimately the final slope angle to take 1°down and 2°for the optimiza⁃tion of the slope angle.Calculation results show that:the local stability coefficient of the current slope of the mine does not meet the requirements,and the overall slope angle of the quarry slope can be optimized from 47°to 47.5°,and the optimized stability coefficient meets the requirements.
作者
肖群飞
温经林
董峰
朱强
刘晋
卢新爱
XIAO Qunfei;WEN Jingin;DONG Feng;ZHU Qiang;LIU Jin;LU Xinai(Cathay Safety Technology Co.,Ltd.,Beijing 101318,China;China Academy of Safety Science of and Technology,Beijing 100012,China;Yichun Times New Energy Mining Ltd.,Yichun 330600,Jiangxi,China;Suzhou Sinoma Design And Research institute of Non-metallic Minerals industry Co.,Ltd.,Suzhou 215000,Jiangsu,China)
出处
《矿产勘查》
2024年第S01期211-218,共8页
Mineral Exploration
基金
中国安全生产科学研究院基本科研业务费专项资金项目(2024JBKY20)资助。
关键词
采场边坡
顺层结构
稳定性分析
最终边坡角优化
slopes of the quarry
paraxial structure
stabilization analysis
final slope angle optimization
