Study on the Feasibility of the Upward Mining Above the Goaf of the Irregular Roadway Mining Under the Influence of Hard and Thick Strata
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DOI: 10.1007/s10706-019-00960-8
Abstract: In order to determine whether the upper coal seams No. 5 and No. 6 can be mined after the coal seam No. 8 of Hulonggou coal mine adopted irregular roadway mining, in this study, the… read more here.
Keywords: mining; roadway mining; strata; coal ... See more keywords