...井巷维护；松软复合顶板 [gap=1177]keywords: soft roadway; high-strength anchor; anchor support; stability; roadway maintenance; soft compound roof ...
基于24个网页-相关网页
Destressing blasting has a broad prospect in roadway maintenance in soft rock.
爆破卸压方法对维护煤矿软岩巷道具有广阔的应用前景。
In 3225a mine roadway as an example, summed up the roadway deformation law, proposed an inter-mining floor roadway maintenance methods, inspected the maintenance effect to a certain extent learn.
以某矿3225大巷为例，总结了巷道围岩变形规律，提出了跨采底板巷道维修方法，考察了维修效果，具有一定借鉴意义。
The deep roadway deformation problem is becoming increasingly serious, much maintenance increases support costs and security is difficult to guarantee.
大采深巷道变形问题日益严重，巷道需要多次维修增加支护成本、安全难以保证。
应用推荐