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Application and Practice of First Weighting Control Technology on Mechanized Caving Mining Face
Author(s): 
Pages: 19-20
Year: 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.
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