露天采矿技术
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摘要：
摘 要：通过分析东露天矿岩石的力学指标，借助离散元数值模拟软件UDEC对东露天矿不同跨度采空区进行分析，得出相应跨度时上覆岩层的安全厚度，并进一步得出了与实际采空区上覆岩层安全厚度误差较小的计算公式。
Abstract:
Abstract: By analyzing the mechanics index of rock in East Open-pit Mine, the article analyzed the different span goaf with the discrete element numerical simulation software UDEC, obtained the safety thickness of roof rock in the corresponding span and the formula that had small difference with roof rock safety thickness.
赵登娟，傅新华，徐君. 平朔东露天矿采空区上覆岩层安全厚度研究[J]. 露天采矿技术.
ZHAO Dengjuan, FU Xinhua, XU Jun. Research on goaf roof rock safety thickness in Pingshuo East Open-pit Mine [J]. 露天采矿技术.
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