铜川矿区巷道底鼓机理与防治技术

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分析了铜川矿区巷道底鼓的基本形式及影响因素,提出了采用高强度锚杆与注浆联合加固技术防治破碎围岩巷道底鼓的方法,对钻锚注加固材料、注浆机具和工艺、锚注参数等进行了研究。井下试验结果表明,巷道底板钻锚注加固后平均底鼓量仅为不加固的1/3左右,说明钻锚注支护对控制破碎底板底鼓是十分有效的。
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