论文部分内容阅读
文章针对煤巷锚杆支护巷道迎头区冒顶事故,分析了冒顶事故的特点、原因,指出了预防锚杆支护巷道迎头区冒顶的关键,提出了预防迎头区冒顶的措施。
This paper analyzes the characteristics and causes of roof fall accidents and points out the key points to prevent the roof falling in the head area of bolt support roadway. The measures to prevent the roof falling in the head area are put forward.