The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit
later.
We apologize for any inconvenience caused
Application and Practice of First Weighting Control Technology on Mechanized Caving Mining Face
Author(s): LI Xiang-biao
Pages: 19-
20
Year: 2014
Issue:
4
Journal: Coal
Keyword: 定向水力压裂; 老顶来压; 控制;
Abstract: 针对漳村煤矿2306工作面的顶板岩性作了分析研究,采用定向水力压裂对工作面切眼顶板稳定层位进行弱化处理,有效消除了初次来压冲击荷载,人为控制了工作面老顶的初次来压步距,达到了弱化顶板并保证老顶及时垮落的目的,提高了工作面的煤炭资源回收率.
Citations
No citation found