基于GIS建模的大采高工作面矿压显现规律模拟研究  

Simulation of ground pressure distribution at large mining height face based on GIS techniques

作　　者：赵毅鑫[1,2] 焦振华[1] 刘华博[3] 姜耀东[2,3] 齐德龙[3] 

机构地区：[1]中国矿业大学(北京)资源与安全工程学院,北京100083 [2]中国矿业大学(北京)煤炭资源与安全开采国家重点实验室,北京100083 [3]中国矿业大学(北京)力学与建筑工程学院,北京100083

出　　处：《中国矿业大学学报》2017年第1期33-40,共8页Journal of China University of Mining & Technology

基　　金：国家自然科学基金项目(51174213);国家重点基础研究发展计划(973)项目(2010CB226801;2010CB226804);中央高校基本科研业务费专项资金项目(2009QM01)

摘　　要：为探讨地质构造影响下回采工作面矿压规律,以任家庄矿11503大采高工作面为研究对象,利用基于GIS平台的空间剖面和包络面层面混合建模方法,构建了任家庄矿5#煤初采时11501和11503工作面的三维地质精细化数值模型.通过接口程序,将模型导入FLAC^(3D)有限差分程序中,对11503工作面回采过程中矿压显现特征进行模拟分析.结果表明:基于GIS构建的三维精细化数值模型能有效分析回采工作面矿压显现受地质构造因素的影响;11503工作面靠近风巷60m范围内,受上工作面回采及本工作面背斜构造叠加影响明显.To investigate the features of ground pressure distribution affected by the geological issues,taken No. 11503 large mining height face in Renjiazhuang coal mine as background, three dimensional （3D） digital elevation model based on GIS platform was applied. The 3D ge- ological model of the first mining Panel include No. 11501 and No. 11503 mining faces was con- structed by AutoCAD software. Then the 3D geological model was imported into the FLAC3D code to simulate the mining-induced variation of ground pressure at No. 11503 mining face. It was found that the 3D fine numerical model constructed by GIS technique can reflect the tecton- ic effects on mining very well. At the mining face of No. 11503, the range of 60 m away from the air outlet roadway is greatly affected by the mining of No. 11501 working face and the anti- cline structure.

关 键 词：三维地质建模 GIS 大采高工作面 矿山压力 数值模拟 

分 类 号：TD327[矿业工程—矿井建设]