摘要
介绍树脂锚固预应力锚索支护在复合型顶板条件下大跨度巷道的布置方式、施工工艺、作用原理和经济效益。
Under compound roof condition,layout,construction technique,action principle and economic benetit of resin bedded and protensioned rope bolt used in a large span roadway are described in the paper.
出处
《山西煤炭》
2000年第4期21-23,共3页
Shanxi Coal
关键词
树脂锚固
预应力锚索
大跨度巷道
resin beded
pretensioned rope bolt
large span roadway
