摘要
露天采矿剥离岩土的排弃和排土场的形成,关系到矿山生产安全和人员生命财产安全.排土场稳定性是露天矿安全评价的核心内容,也是矿山安全管理的重点.以弓长岭露天铁矿大阳沟排土场边坡为例,在岩土工程勘察和物理力学性质分析基础上,通过极限平衡法和有限单元法相结合,对排土场边坡危险剖面在正常工况和降雨入渗工况下的稳定性进行计算,剖析排土场坡体稳定特征,所得结论对现场排土场具有重要的指导价值和现实意义.
The abandon of stripped rock - soil in open mining and formation of waste dump is related to the mine production safety, personnd life and property security. Dump stability is the core content of open - pit mine safety evaluation, it is also the focus of the mine safety management. Aiming at waste dump slope of Gongchangling open - pit mine, based on geotechnical investigation and analysis on the physical -mechanical properties, and through limit equilibrium method and finite element method, the stability analysis models of waste dump are buih, stability calculation of waste dump slope is conducted in normal and rainfall infiltration circumstances, and the stability characteristics of dump slope is analyzed. This paper makes important conclusions and suggestions. It has important guiding and actual significance for the dump engineering in site.
出处
《矿业工程研究》
2012年第2期58-63,共6页
Mineral Engineering Research
基金
辽宁省教育厅高校科研资助项目(L2010377)
国家自然科学基金资助项目(50774046)
关键词
排土场边坡
弓长岭铁矿
降雨入渗
工程地质勘察
稳定性评价
waste dump slope
Gongchangling open -pit mine
rainfall infiltration
engineering geologicalinvestigation
stability evaluation
