克服巷道顶板冒落区影响正常回采的有效措施  

Effective measures to overcome the case of tunnel with upper plate collapse that disturbs the normal mining activity

作　　者：庄培新 段永维[1] 梁猛[1] 赵兵[1] 

机构地区：[1]通钢集团板石矿业公司上青矿,吉林白山134304

出　　处：《矿业工程》2010年第1期24-25,共2页Mining Engineering

摘　　要：在以无底柱分段崩落法采矿过程中,会遇到巷道顶板冒落的情况。如果冒落区具有采矿和切割进路,可以采取有效措施,使冒落区形成自由空间,从而使冒落区两侧的矿体得到正常回采。During mining course using pillarless sublevel caving method, it is possible to meet the case of tunnel with upper plate collapse that disturbs the normal mining activity. On condition that such tunnel has mining access and cutting access, effective measures can be taken to make the tunnel zone form a free space. Then, the ore body beside the tunnel can be normally mined.

关 键 词：无底柱蹦落法 采场顶板冒落 有效措施 

分 类 号：TD803[矿业工程—矿山开采]