含钒页岩矿床开采导水裂隙带发育高度研究  

Study on the Height of Water Flowing Fractured Zone in Containing Vanadium Shale Deposit

作　　者：马志伟[1,2] 叶义成[1,2] 王其虎[1,2] 林坤峰[1,2] 

机构地区：[1]武汉科技大学资源与环境工程学院 [2]冶金矿产资源高效利用与造块湖北省重点实验室

出　　处：《金属矿山》2013年第4期142-146,共5页Metal Mine

基　　金："十二五"国家科技支撑计划项目(编号:2011BAB05B03)

摘　　要：对上横山多层含钒页岩矿床开采进行了离散元数值模拟,通过曲线估计得到了导水裂隙带高度随开采深度、矿体倾角、分段高度和开采厚度4个影响因素变化的发育曲线;设计了4因素3水平数值模拟正交试验,通过对正交试验结果的极差分析确定了各因素对导水裂隙带发育高度的影响程度依次为矿体倾角>分段高度>开采厚度>开采深度;对比分析表明在试验水平内将导水裂隙带发育高度计算经验公式应用于多层含钒页岩矿床开采导水裂隙带发育高度的计算中缺乏合理性;将极差作为各单因素对导水裂隙带发育高度影响的权重,结合曲线估计结果建立了多因素变化的导水裂隙带发育高度的预测函数。The discrete element numerical simulation on the exploration of multi-layer vanadium-containing shale de- posit of Shanghengshan is carried out. And the development curve of the height of water flowing fractured zone with four fac- tors of mining depth, dip angle of orebody, sublevel height and mining thickness is obtained based on the estimation. The paper designs the orthogonal experiment of numerical simulation with four factors and three levels. By making the range a- nalysis of the orthogonal experiment, the impact levels of the four influencing factors to the height of water flowing fractured zone have been ranked as： dip angle of orebody 〉 sublevel height 〉 mining thickness 〉 mining depth. The comparative analysis indicated that it is lack of rationality to apply the empirical formula for the height calculation of water flowing frac- ture development in testing into the height calculation of water flowing fractured zone for muhi-vanadium-containing shale. A multi-factor prediction function for the development height of water flowing fractured zone is built by considering the range as the weight of each factor influencing on the development height of water flowing fractured zone, and combining with the estimated results from the curve.

关 键 词：含钒页岩 导水裂隙带 离散元分析 曲线估计 极差分析 

分 类 号：TD823.83[矿业工程—煤矿开采]