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中文摘要：
火烧区煤层开采通常采取火烧高变质煤不进行剥采工作,只剥采原煤的方式开采,因此,弃采高变质煤下火烧蚀变岩内摩擦角对露天矿边坡稳定的影响研究具有必要性。以别斯库都克露天煤矿KT2剖面为例,在弃采高变质煤方案下,研究火烧蚀变岩内摩擦角对露天矿边坡稳定性的影响,得到不同火烧蚀变岩内摩擦角条件下露天矿边坡的稳定系数,进而对边坡稳定性进行评价,为露天煤矿安全开采和边坡治理提供可靠依据。
英文摘要：
The burning area of coal seam is usually taken the fire of high rank coal stripping.Therefore,the stability study of open pit slope under abandoned mining high rank coal impacted by internal friction angle of fire altered rock is necessity.KT2 profile of open pit of Biesikuduke mine,for example,the open-pit slope stability influenced by friction angle of fire altered rock in the program of abandoned mining high rank coal is received,and thus to evaluate the slope stability and security.The results provide a reliable basis for open pit mining and slope control.
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