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中文摘要：
由于受到前期形成的采空区影响，资源整合转露天开采的矿山的剥采比计算与新建露天矿山的剥采比不同。综合考虑了井工开采不同采空区层位存在对剥采比的影响，分析了全矿剥采比受不同层位采空区影响的计算公式。
英文摘要：
Mines operated by underground mining method was transformed to surface mining by resource integration, stripping ratio calculation method of whose is different from the mines newly built as the effect of the goaf excavated by the former underground mines. The influence of the goaf＇s positions at the different stratums on stripping ratio were overall considered, all-mine stripping ratio was analyzed.
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