基于UDEC的保护层开采中覆岩移动规律的数值模拟与分析  

Numerical simulation and analysis of the law of overlaying strata movement in the mining of protective layers of coal seams based on UDEC

作　　者：郝志勇[1] 林柏泉[1] 张家山[1] 朱传杰[1] 

机构地区：[1]中国矿业大学能源与安全工程学院,江苏徐州221008

出　　处：《中国矿业》2007年第7期81-84,共4页China Mining Magazine

基　　金：国家自然科学基金资助项目(50534090;50574093);国家重点基础研究发展计划(2005cb221506);高等学校博士点专项科研基金(20030290013);国家十五重点科技攻关项目(2005BA813B07)

摘　　要：本文利用UDEC3.0软件对近距离上保护层开采导致的覆岩移动及裂隙发育过程进行数值模拟。真实地反映了在开采保护层过程中覆岩移动及裂隙发育规律。利用UDEC3.0软件模拟煤层开采引起的覆层移动过程可以预知实际开采中瓦斯运移通道的动态分布,对防止瓦斯突出具有重要的指导意义。Numerical simulation was conducted using UDEC3.0 for the movement of overlaying strata and fracture development caused by the mining of upper protective layers of coal seams with close quarters. The results really reflected the law of overlaying strata movement and fracture development. The dynamic distribution of gas migrating Channel during the mining of coal seams can be predicted by the simulation of overlaying strata movement caused by the mining of coal seams using UDEC3.0. This has important guiding significance on the prevention of gas outburst.

关 键 词：UDEC 岩层移动 数值模拟 裂隙发育 瓦斯运移 

分 类 号：TD325.1[矿业工程—矿井建设]