大断面综放工作面巷道煤柱宽度探讨

Probe into Heading Chain Pillar Width and Surrounding Rock Control of Large Section at Fully Mechanized Caving Face

应用FLAC3D模拟软件对西山煤电集团公司东曲矿22108工作面进行三维结构受力特性模拟和塑性流动分析,以及对综放工作面巷道合理布置进行探讨,认为合理煤柱宽度为20 m,能够有效保障煤柱巷道围岩稳定。

The application of FLAC3D simulation software of Dongqu Coal Mine of Xishan coal electricity group company in 22108 working face were analyzed and simulated the three-dimensional structure of the plastic flow stress,as well as the layout of roadway of fully mechanized caving face are discussed,that the reasonable coal pillar width is 20 m,and it can guarantee the stability of surrounding rock of coal pillar roadway.