摘要
介绍了永定庄煤业有限责任公司在现场使用预应力锚索的情况 ,分析了锚杆、预应力锚索支护的作用原理 ,肯定了锚索在停采维护及巷道支护中的积极作用 ,简单地进行了效益分析 。
This article introduces the use of prestressed anchor cable in Yongdingzhang Coal Industry Co Ltd, analyzes the principles of anchor and prestressed anchor cable supporting, affirms the active role in roadway supporting and maintaining, also makes an simple bengfit analysis and provides some existing problems
出处
《煤炭技术》
CAS
2003年第5期49-50,共2页
Coal Technology