露天采矿技术2026，Vol.41Issue(4)：51-55,5.DOI:10.13235/j.cnki.ltcm.20250347
坑底宽度和动载作用下露天矿端帮边坡稳定性分析
Analysis on end slope stability of open-pit mines under the influence of pit bottom width and dynamic load
摘要
Abstract
To study the influence of end slope coal mining in open-pit coal mines on slope stability,based on three-dimensional numerical simulation and limit equilibrium theory,combined with on-site measured data,the article analyzes influence laws of pit bottom width and dynamic load on the stability of end side slopes.The research results show that the width of the pit bottom has a linear positive correlation with the exposed area of the end slope.Meanwhile,there is a power-exponential function relationship between the exposed area of the end slope and the slope stability coefficient.When the width of the pit bottom narrows from 5 000 m to 50 m,the end effect increases the slope stability coefficient from 1.230 to 1.527.The stability coefficients of the end slope before and after the application of transportation load are 1.262 and 1.258 respectively,while the stability coefficients of the inner waste dump slope before and after the application of transportation dynamic load are 1.816 and 1.190 respectively.关键词
端帮边坡/边坡稳定性/三维数值模拟/极限平衡理论/动载响应Key words
end slope/slope stability/3D numerical simulation/limit equilibrium theory/dynamic load response分类
矿业与冶金引用本文复制引用
刘振远,李奇奇,康庆微..坑底宽度和动载作用下露天矿端帮边坡稳定性分析[J].露天采矿技术,2026,41(4):51-55,5.基金项目
新疆维吾尔自治区重大科技专项资助项目(2024A01003-5) （2024A01003-5）
