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以晋煤集团圣华煤业3#煤层复采工作面作为工程背景,应用FLAC3D数值模拟的方法对旧采窄残留煤柱中掘进巷道围岩破坏规律及其控制技术进行了研究。
Taking the No.3 coal seam compound mining face of Jinhua Group Sanhua Coal Mining as the engineering background, the law of surrounding rock failure and its control technology in the roadway with old narrowing residual coal pillar was studied by FLAC3D numerical simulation method.