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    Study on Fracture and Stress Evolution Characteristics of Ultra-Thick Hard Sandstone Roof in the Fully Mechanized Mining Face with Large Mining Height: A Case Study of Xiaojihan Coal Mine in Western China by Feng Ju, Meng Xiao, Zequan He, Pai Ning, Peng Huang

    Published 2018-01-01
    “…Finally, the stress evolution laws in the ultra-thick hard sandstone roof fracture were studied through numerical simulation. …”
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