银山矿露天边坡稳定性分析

Analysis of the Stability of Open-pit Slope in Yinshan Mine

露天边坡稳定性受岩性、岩体结构、水文地质、边坡形态和爆破等多种因素影响。露天矿常见的边坡失稳,滑坡等地质灾害直接威胁露天采场的正常生产。为研究银山矿现有边坡的稳定性,建立了Dimine软件三维模型,采用工程地质分区、极限平衡法分析边坡各种破坏模式下的受力状态,以边坡滑体上的抗滑力和下滑力之间的关系评价边坡的稳定性,分析结果表面银山矿总体边坡较稳定,南部后续开采过程中需加强现场巡视与边坡监测,及时消除安全隐患。

The stability of open-air slope is influenced by many factors,such as rock,rock structure,hydrogeology,slope form and blasting.Geological hazards such as slope instability and landslides in open pit directly threaten the normal production of open pit.In order to study the stability of the existing slope of Yinshan Mine,a three-dimensional model of Dimine software was established,the force state of various destruction modes of the slope was analyzed by engineering geological partition and limit balance method,the stability of the slope slope was evaluated by the relationship between the anti-slip and the sliding force on the slope slide,the overall slope slope of the surface of the analysis was stable,and the monitoring of the slope on the southern follow-up should be strengthened in the process of the southern follow-up mining,and the safety hazards were eliminated in a timely manner.