扇形钻孔卸压冲击地压防治实践
Coal Science & Technology Magazine（2018）
Abstract
某矿8332工作面在强冲击危险区段掘进,设计了3种布置方式的钻孔卸压方案,经安全技术比较和效果分析,采用扇形方式布置大直径卸压钻孔效果良好,安全可靠性高.
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