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Application of Pre-excavation Finishing Space in Working Face Retracement
Author(s): 
Pages: 82-82,88
Year: Issue:  5
Journal: Coal

Abstract: 预掘收尾空间、采用锚杆、锚索、钢带、铁丝网联合支护顶板,使综采工作面安全快速回撤,节省时间,解决接续紧张的困难,减少人工和材料上的消耗,达到了节支降耗的目的.
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