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
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Measures of Preventing Floor Heave of Coal Seam
Author(s): 
Pages: 39-39,49
Year: Issue:  1
Journal: COAL

Keyword:  超前钻孔释放优化;
Abstract: 煤层底板富水易鼓不但威胁矿井安全生产,而且制约着经济效益的提高.打超前钻孔疏排,掘上山短巷结合扇形布孔释放,优化回采工艺,建立流水系统是防止煤层底板易鼓的有效方法.
Related Articles
No related articles found