金山店铁矿东区崩落法开采岩层移动变形规律研究  

Investigation on Moving & Deformation Principle of Stratum with Caving in Eastern zone of Jinshandian Iron Mine

作　　者：陈清运[1,2] 杨从兵[3] 王水平[4] 张电吉[1,2] 张国联[5] 

机构地区：[1]武汉工程大学 [2]磷资源开发利用教育部工程研究中心 [3]武钢集团矿业有限责任公司程潮铁矿 [4]武钢集团矿业有限责任公司金山店铁矿 [5]东北大学

出　　处：《金属矿山》2010年第7期1-4,70,共5页Metal Mine

基　　金：国家自然科学基金项目(编号:50974031)

摘　　要：根据金山店铁矿东区工程地质特点和开采技术条件,在空间几何形态和力学性态上,建立了具有较高仿真度的三维数值分析模型。利用西采区地下开采地表监测数据反演出矿岩体力学参数,以此对东区数值分析模型的矿岩和结构面力学参数进行赋值。分别按地下开采没有冒通地表和冒通地表2种模式计算了8个方案,预测了岩层移动角随开采深度的变化趋势,为土地征购和房屋搬迁提供了重要的依据。3-D numerical analysis model with high-level fidelity was built according to the geological and operational conditions of the eastern zone of Jinshandian Iron Mine on the basis of its spatial geometry and mechanical property.Rock mechanical parameters were deduced according to the monitored data of underground mining in this western mine zone and introduced into the mechanical parameters of rocks and structural plane for the numerical analysis model of the eastern zone.Eight patterns was simulated in total-caving-in and no-total-caving-in situations separately,to predict the changing trend of stratum moving angle with excavation depth,and the results provided the significant evidence for the land-purchasing and house relocation.

关 键 词：无底柱分段崩落法 岩层移动角 数值模拟 

分 类 号：TD861.1[矿业工程—金属矿开采]