千米深井厚硬顶板直覆沿空留巷围岩结构优化

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Structural optimization of overlying strata for gob-side entry retaining in 1000 m deep mine with direct thick and hard roof

ZHAO Yiming，ZHANG Nong，ZHENG Xigui，LI Baoyu

采矿与安全工程学报 . 2015, (5): 714 -720 .