摘要
以西曲矿8#煤和9#煤近距离煤层地质条件为工程背景,综合采用现场实测与数值模拟相结合的研究方法,对布置于北二盘区下部9#煤中的29205综采工作面回采巷道合理布置方式进行了研究。通过分析不同布置方案条件下29205综采工作面正巷所受垂直应力大小以及围岩塑性破坏范围,得出了该矿8#煤和9#煤近距离煤层地质条件下回采巷道的合理布置方式,数值模拟结果对于该矿8#煤和9#煤近距离煤层开采具有指导作用。
Takes the geological condition of No. 8 and No. 9 close distance coal seams in Xiqu coal seam as the engineering background,using the research methods of field measurement and numerical simulation,studies on 29205 full mechanized coal mining face mining roadway layout in the lower of north second panel. Through the analysis of surrounding rock vertical stress and plastic failure zone under the different roadway layout conditions of 29205 fully mechanized coal mining face,obtains the reasonable mining roadway layout under the geological conditions of No. 8and No. 9 close distance coal seams,and the results of numerical simulation for No. 8 and No. 9 close distance coal seams mining play a guiding role.
出处
《山西焦煤科技》
2016年第5期32-35,共4页
Shanxi Coking Coal Science & Technology
关键词
近距离煤层
回采巷道
数值模拟
塑性破坏
Close distance coal seams
Mining roadway
Numerical simulation
Plastic failure