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    Overlying Strata Movement Laws Induced by Longwall Mining of Deep Buried Coal Seam with Superhigh-Water Material Backfilling Technology by Fangtian Wang, Qi Ma, Gang Li, Chengguo Wu, Guangli Guo

    Published 2018-01-01
    “…The “Three Under Mining” (mining under the buildings, the railways, and the waters) coal resources are stored in the central and eastern China. Many large-scale mine disasters occurred due to overburden strata movement and surface subsidence. …”
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