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Research on stress evolution law of pillar blasting of overlying goaf on fully-mechanized mining face

In order to solve problems of big roof pressure and hydraulic support crushed down on working face during lower coal seam mining, taking Hanjiawan Coal Mine as engineering background, stress evolution law and roof movement law before and after blasting of residual coal pillar were studied by UDEC si...

Whakaahuatanga katoa

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua: TANG Shengli, MENG Zhuanghan, XU Shuanhai, LIU Xiaoping
Hōputu: Artigo
Reo:Chinês
I whakaputaina: Editorial Department of Industry and Mine Automation 2017-03-01
Rangatū:Gong-kuang zidonghua
Ngā marau:
Urunga tuihono:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2017.03.007
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