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    Hydraulic weakening technology for unsupported top coal at the end of fully mechanized caving face by DONG Haofu, ZHANG Wei, SUN Guangjun, FU Huijian, LONG Zhaoxi, LIU Yang, LIU Dongliang, ZHU Xiaodong

    Published 2025-05-01
    “…Taking the 31123-1 steeply inclined fully mechanized caving face of Dongxia Coal Mine as the engineering background, a mechanical model was established for the unsupported top coal condition at the end of a fully mechanized caving face. …”
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