摘要
在阐明深部巷道围岩变形机理的基础上,对煤柱支承压力在底板传播规律和煤柱载荷在底板岩层传递影响角进行了分析,并结合实测资料,提出了测定煤柱影响角的方法,为深部开采底板巷道合理位置选择提供了依据。
Based on the deformation mechanism of wall rock in deep roadway,this pa-per analyses the transmission law of pillar abutment pressure in floor and influence angletransference of pillar load in floor strata. In addition,this paper puts forward the method ofdetermining pillar influence angle,providing the basis for choosing reasonable place to exca-vate floor roadway.
关键词
深部巷道
煤柱
支承压力
底板岩层
传递影响角
deep roadway,pillar,abutment pressure,influence angle transference ofpillar load in floor strata