【摘要】 通过现场调查、室内试验以及理论分析,柳海矿运输大巷支护现状进行分析研究,总结破坏原因。根据现场工程地质条件、岩石特性和破坏特点,确定软岩变形力学机制为高应力膨胀性软岩,并提出采用预留刚隙柔层支护技术进行支护。更多还原

【Abstract】 The supporting technology of the transport tunnel in Liuhai Coal Mine and was analyzed the cause of its destruction was summarized through field investigation,laboratory test and theoretical analysis.According to the geological condition,rock character istics and destruction features,deformation mechanism of soft rock was ascertained as swell under high stress,and the supporting technology of flexible layer with rigid gap was put forward.更多还原