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煤炭工程  2013 

区段煤柱中巷底鼓机理研究

, PP. 68-70

Keywords: 区段煤柱,巷道,底鼓,相似模拟实验,数值模拟

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Abstract:

根据瑞能煤矿的煤层地质条件,以该矿井2号煤层两侧为长壁采空区的区段煤柱正中间所掘的巷道为工程背景,采用物理相似模拟实验方法及数值模拟计算,得出区段煤柱中巷底鼓机理为区段煤柱上方的倒三角覆岩的巨大支承压力在煤柱中积聚的能量,掘巷形成开槽释能,加剧底鼓。

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