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Layout of roadway under goaf based on scale effect of mining cross upper coal pillar

With the condition of contugous double-thick coal seams downward mining as the background, in view of the adverse effects of upper remaining coal pillars on the stability of mining roadway and stope, the field measurement and theoretical analysis are adopted to study the regional characteristics of...

Whakaahuatanga katoa

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua: LYU Kai, HE Fulian, XU Xuhui, WANG Fuzhong, QIN Binbin, LI Liang
Hōputu: Artigo
Reo:Chinês
I whakaputaina: Editorial Department of Coal Science and Technology 2023-03-01
Rangatū:Meitan kexue jishu
Ngā marau:
Urunga tuihono:http://www.mtkxjs.com.cn/article/doi/10.13199/j.cnki.cst.2021-0610
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