This paper introduces the application about anchor cable jetting combined supporting in broken soft rock drift.
重点介绍了锚索喷注联合支护在碎胀软岩巷道掘进中的应用。
With the increasing of mining depth, the roof-floor lithology of the tunnel shows the characteristics as soft rock, normally resulting in the drift floor-heave.
随着矿井采深的增加，巷道顶底板岩层表现出软岩特性，常导致巷道形成严重的底臌。
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