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Research on visualization detection method of overlying strata three zones in thin coal seam mining

The mining of thin coal seam resources is seriously affected by the overlying coal seam gas. The detection of three zones of goaf roof is of great significance to the safety production. In this paper, we carried out loading coal and rock resistivity testing experiment, analyzed the loading damage in...

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Hlavní autor: GUO Huanhuan, QIU Liming, LIU Qiang, YANG Cheng
Médium: Artigo
Jazyk:Chinês
Vydáno: Editorial Office of Safety in Coal Mines 2023-08-01
Edice:Meikuang Anquan
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On-line přístup:https://www.mkaqzz.com/cn/article/id/1163805c-ce64-450e-8b62-64b2049c8ad0
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