露天矿排土场稳定性分析与治理措施优化研究  

Reaserch on stability analysis and optimization of control measures for dump in open-pit mine

作　　者：赵冲 袁利伟[1] 陈玉明[1] 陈静 ZHAO Chong;YUAN Liwei;CHEN Yuming;CHEN Jing(School of Land Resources Engineering,Kunming University of Science and Technology, Kunming Yunnan 650093,China)

机构地区：[1]昆明理工大学国土资源工程学院,云南昆明650093

出　　处：《化工矿物与加工》2019年第4期25-28,共4页Industrial Minerals & Processing

摘　　要：为了解决某露天矿1号排土场滑动破坏问题,结合排土场地质资料和钻孔勘探情况,运用GEO-STUDIO对排土场进行了稳定性分析。采用两段削坡治理方案,将上下不同梯度下的边坡角进行拟合,在设置稳定性系数接近1.2的情况下得到最优边坡角,并通过极限平衡法对拟合结果进行校验。在排土场完成整治后,利用排土场原有位移监测系统对治理方案作进一步校验,结果表明,经过整治后的排土场稳定性得到了提高,位移明显减小,表明治理方案可行,可为同类排土场的治理提供借鉴。in order to solve the sliding failure problem of No.1 dump in an open-pit mine.GEO-STUDIO was used to analyze the stability of the dump in combination with the geological data of the dump and borehole exploration. A two-stage slope cutting treatment scheme was adopted to fit the slope angles under different gradients, and the oplimal slope angle was obtained when the stability coefficient was set close to 1. 2. The fitting results were checked by the limit equilibrium method. After the completion of the regulatio n of the dump. I he original displacement monitoring system of the dump was used to further verify the control plan. The results show that the stability of the dump is improved and the displacement is obviously reduced after the treatment, which indicates that the treatment scheme is feasible and can provide a reference for the treatment of similar dumps.

关 键 词：排土场 边坡稳定性 治理措施 拟合优化 位移 

分 类 号：TD804[矿业工程—矿山开采]