The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Bookmark and Share
Comprehansive Supporting Management of Caving Roof in Over- long Workface
Pages: 32,52
Year: Issue:  3
Journal: COAL

Keyword:  超大长综放面底板隆起空顶冒落支护技术;
Abstract: 王庄煤矿在5208工作面回采期间出现了大型底板隆起地质构造,造成工作面近180 m范围内的顶板大面积冒落和煤壁片帮,冒落高度最大达到8 m,架前空顶距最大达到7 m.介绍了在过地质构造期间所采用的顶板和煤壁支护技术,安全顺利地通过了地质构造带,取得了明显的经济和社会效益.
Related Articles
No related articles found