摘要
受矿井采掘活动的影响,巷道支护的难度也越来越大,文章介绍了中空注浆锚索的结构、作用机理和施工工艺,并在王庄煤矿5216工作面进行了试验,大大改善了巷道的支护效果。
Roadway has become increasingly difficult by the impact of mining extractive activities. The articles introduce the structure of hollow grouting anchor, mechanism and construction technology, and it was tested on 5216 working face of Wangzhuang Coal Mine,it has greatly improved roadway results.
出处
《煤》
2013年第8期9-10,共2页
Coal
关键词
中空注浆锚索
锚注一体
回采巷道
hollow grouting anchor
combined supporting
mining roadway
