深井综放面沿空窄煤柱巷道巷围岩控制与研究
Energy and Conservation(2014)
Abstract
深井矿压强烈,沿空巷道围岩控制相当困难,在综放工作面掘进过程中常留一定数量的窄煤柱。通过了解沿空窄煤柱巷道围岩的破坏变形特征和锚杆与围岩相互作用机理,选择合适的锚杆支护理论和技术,可大大提高围岩稳定性。
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