基于空区结构效应的残矿开采作业环境安全辨识与协同利用  

Identification and synergic use of operating environment safety based on structure effect of goafs in residual mining

作　　者：胡建华[1] 阮德修[1] 周科平[1] 杨念哥[1] 

机构地区：[1]中南大学资源与安全工程学院深部金属矿开发与灾害控制湖南省重点实验室,湖南长沙410083

出　　处：《中南大学学报（自然科学版）》2013年第3期1122-1130,共9页Journal of Central South University:Science and Technology

基　　金：国家自然科学基金资助项目(51074178);湖南省自然科学基金资助项目(09JJ4025);中南大学自由探索计划项目(2011QNZT087)

摘　　要：针对西部某矿山目前开采现状和大量遗留残矿的采空区结构特征,在采空区作业环境安全评价的基础上,提出协同利用空区空间的残矿开采模式,即采空区的空间直接利用作为采准过程的补偿空间和切割空间、加固处置协同利用的补偿空间、密闭封存安全保护、散体充填密闭处理和胶结充填应力环境再造等,并以R3空区作为实例提出空区协同利用的采矿方法和出矿等生产工艺。应用未确知测度理论,利用采空区结构效应的空区跨度(X1)、空区暴露面积(X2)、空区高度(X3)、空区埋深(X4)、矿柱尺寸布置(X5)5个参数,对西部某矿群空区下的残矿开采作业环境进行安全辨识和分级。研究结果表明:该方法对采空区群下残矿开采作业环境的安全评价简单可行,通过采空区的结构效应获得了残矿开采作业环境的安全分级辨识。According to the current situation of mining and the structural features of underground goafs in a metal mine of western China,based on identification of operating environment safety,a new mining model of synergic use of goafs and mining space in residual mining was proposed.The goafs were directly used as blasting and cutting compensation room,reinforce and co-disposal space,closed goaf and safety protected,backfilled by granular waste rock and closed goaf,backfilled to reconstruct mining environment by the cement.Taking goaf R3 as an example,the synergic model was designed in residual mining process.Using unascertained measure theory,five structure effective parameters of goafs were selected such as span（X1）,exposed area（X2）,height（X3）,depth（X4）and pillars structure（X5）.The operating environment safety was identified and classified by the unascertained measure model of underground goafs in residual mining.The results show that the evaluation method is simple and feasible to identify the operating environment safety based on structure effect of goafs.

关 键 词：群空区 作业环境安全性 未确知理论 协同利用 

分 类 号：TD325[矿业工程—矿井建设]