木城涧矿十槽煤底煤复采数值模拟研究  

Numerical Simulation for Under Floor Coal Mining on Muchengjian

作　　者：张芳[1] 贾晓波[1] 

机构地区：[1]辽宁工程技术大学力学与工程科学系,辽宁阜新123000

出　　处：《辽宁工程技术大学学报（自然科学版）》2002年第1期37-39,共3页Journal of Liaoning Technical University (Natural Science)

摘　　要：针对北京木城涧煤矿十槽煤,在没铺设人工假顶的情况下,进行底煤复采时存在的问题,利用有限元分析程序ANSYSY,对开采下分层时,不留煤层假顶和预留煤层假顶两种情况的上覆岩层应力状态、变形、位移,分别进行了数值模拟,并做了进一步的对比分析,探讨了岩层在以上两种情况下开采过程的失稳,为实际底煤复采提供依据。The problems,which existed during the under coal mining process under the condition of no artificaial top in Muchengjian mining,are discussed in this paper.By using ANSYS PEM program,the mining process of reserved under floor coal was studied.In this paper,the two different conditions of making artificial top and no making artificial top are taken into account respectively,and the stress distribution,rock layer deformation and displacement of overlying strata were numerically simulated.The comparison results of the two conditions,which agree to the simulation experiment experiment in laboratory,may provide much valuable information for the under floor coal mining.

关 键 词：木城涧矿 十槽煤 底煤复采 数值模拟 人工假顶 预留假顶 有限元分析 覆岩应力 

分 类 号：TD823.88[矿业工程—煤矿开采] TD315.3[矿业工程—矿山开采]