大顶铁矿露天采场边坡稳定性分析与优化设计  

Slope stability analysis and optimum design in Dading open-pit iron mine

作　　者：蔡美峰[1] 朱青山[1] 乔兰[1] 李长洪[1] 王金安[1] 谭文辉[1] 

机构地区：[1]北京科技大学土木与环境工程学院,北京100083

出　　处：《北京科技大学学报》2012年第3期239-245,共7页Journal of University of Science and Technology Beijing

基　　金：国家自然科学基金资助项目(51034001)

摘　　要：针对大顶铁矿露天采场边坡岩体强度低、稳定性差的特点,在系统的现场工程地质、水文地质、岩体结构与岩性分布调查和岩石物理力学性质试验基础上,采用符合现代岩石力学原理的数值模拟和极限平衡相结合的方法,进行边坡稳定性和设计优化研究,并推荐了该矿的边坡设计方案.总体边坡角比原设计平均提高3°以上.The slope of Dading open-pit iron mine in south China has the characteristic of low rock strength and bad stability. Its basic information on engineering-geological conditions, hydro-geological conditions and rock mass structures together with physical and mechanical properties of rock mass was derived from systematical field and laboratory investigations, experiments and tests. Stability analysis and optimum design were done for the slope by using a combined method of numerical modeling and limit equilibrium analysis. The slope angle increases more than 3° compared with the original design.

关 键 词：铁矿 露天采场 边坡稳定性 优化设计 

分 类 号：TD214.1[矿业工程—矿井建设]