五家沟矿厚煤顶回采巷道支护方案优化设计

Support Scheme Optimization Design for Thick Coal Roof Mining Roadway in Wujiagou Mine

摘要: 针对五家沟矿回采巷道常出现局部冒顶现象，在对回采巷道围岩条件研究的基础上，结合冒顶原因分析，提出了利用超长锚杆支护代替锚索的支护方案，将新的支护方案应用于现场。

Abstract: Aiming at the phenomenon of partial roof falling in mining roadway of Wujiagou Mine, base on the study of surrounding rock conditions and reason analysis of roof falling, the support scheme of utilizing extra-long bolt to instead of anchor cable is proposed. The new support scheme have been applied to the practice.