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Anchoring method utilizing self-drilling and self-anchoring extendable anchor rod applicable to soft and weak coal rocks
Anchoring method utilizing self-drilling and self-anchoring extendable anchor rod applicable to soft and weak coal rocks
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机译：利用自钻自锚可伸缩锚杆锚固的方法，适用于软弱煤岩
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摘要
The present invention provides a self-drilling and self-anchoring extendable anchor rod applicable to soft and weak coal rocks and an anchoring method thereof, which are suitable for supporting soft and weak coal rock mass in roadways.
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