双环圈密集布孔法卸压揭煤过煤门防突技术
쌍배권밀집포공법사압게매과매문방돌기술
Outburst Prevention technique by Releasing Pressure and and Exposing Coal Seams in a Crosscut with Double - layer Closed Ring Hole Arrangement
  • 万方数据
    矿业安全与环保 광업안전여배보
    MINING SAFETY & ENVIRONMENTAL PROTECTION
    2000年 6期 48-49,51 ,共3页

    魏建华%罗继福

    위건화%라계복

    双环圈%钻孔%防突 雙環圈%鑽孔%防突
    쌍배권%찬공%방돌
    介绍了三汇三矿+100m水平倾斜薄煤层K3、K4推广应用急倾斜煤层双环圈密集布孔法揭煤过煤门防突技术,以及该防突技术与原采用的多排钻孔卸压揭煤过煤门防突技术的对比试验情况.
    개소료삼회삼광+100m수평경사박매층K3、K4추엄응용급경사매층쌍배권밀집포공법게매과매문방돌기술,이급해방돌기술여원채용적다배찬공사압게매과매문방돌기술적대비시험정황.
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