排土场稳定性影响因素分析  

Analysis of factors affecting dump stability

作　　者：杨胜利[1] 王云鹏[1] 

机构地区：[1]中国矿业大学资源与安全工程学院,北京100083

出　　处：《露天采矿技术》2009年第3期4-7,共4页Opencast Mining Technology

摘　　要：以东北某露天矿排土场作为研究背景,采用Geo-slope极限平衡理论与FLAC数值模拟相结合的方法,深入分析排土场在多种影响因素作用下的稳定性。重点对排土场表土层厚度、排弃物堆置高度和角度以及地下水等主要影响因素进行系统的分析与研究,得到排土场的逐渐移动变形、直至破坏的整个过程。同时揭示了在有水影响的情况下,排土场岩体变形移动规律,提出了防治措施,保证排土场安全可靠的排放。The study background of this paper is the dump of a surface mine in China Northeast, it makes a depth analysis of stability with different influence factors, by using method of combining the Geo-slope limit equilibrium method with FLAC numeric simulation. Thickness of surface soft, the height of exhaust, angle, ground water and so on of dump is studied. At the same time the paper reveals with influence of the water the dump of rock the deformation and displacement law and provide prevention measures to ensure safe and reliable of dump.

关 键 词：排土场 稳定性影响因素 极限平衡方法 强度折减法 

分 类 号：TD824.71[矿业工程—煤矿开采]