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    Brazil splitting characteristics of coal-backfilling composite structure with different interface angles: Insights from laboratory experiment and numerical simulation

    The coal-backfilling composite structure jointly bears the overburden stress. The interface between the coal pillar and backfilling body can easily induce splitting failure of composite system. The failure pat...

    Xu-dong Shi 史旭东, Guo-rui Feng 冯国瑞, **-wen Bai 白锦文 in Journal of Central South University (2023)