补连塔煤矿22煤沉积环境与顶板岩性稳定性耦合分析  

Coupling Analysis of Sedimentary Environment and Roof Lithology Stability of 22~# Coal in Bulianta Coal Mine

作　　者：刘兆祥[1] LIU Zhaoxiang(Bulianta Coal Mine,China Shenhua Shendong Coal Group Co.,Ltd.,Ordos 017209,China)

机构地区：[1]神华神东煤炭集团有限责任公司补连塔煤矿,内蒙古鄂尔多斯017209

出　　处：《煤矿安全》2018年第A01期9-13,共5页Safety in Coal Mines

摘　　要：在充分认识补连塔煤矿22煤沉积构造背景下,通过对22煤煤岩对比、顶板岩层钻孔窥视、顶板岩层岩石学宏观及微观角度分析,以岩相古地理分析中单因素综合作图法为理论依据,厘定了22煤沉积环境,划分了矿区22煤成煤环境下砂泥比等级;同时在分析测定岩石力学性质的基础上,建立了顶板岩层砂泥比与顶板岩性稳定性间关系,定量化标定了22煤顶板岩性稳定性,进而为22煤采掘顶板管理提供理论依据。In the background of fully understanding the depositional structure 22^# coal in Bulianta Coal Mine, through the coal and rock comparison of 22^# coal, the drilling imaging of roof strata, and the macroscopic and microscopic analysis of rock in roof strata, taking the single factor synthesis mapping method as the theoretical basis in the paleogeographic analysis of lithofacies, the paper determined the deposit environment of 22^# coal, and divided the sand and mud ratio of 22^# coal in mining area. At the same time, based on the analysis of the mechanical properties of rock, the relationship between the sand mud ratio and roof lithology stability is established; the stability of 22^# coal roof lithology is quantified, which provides theoretical basis for roof management of 22^# coal mining.

关 键 词：煤田地质 单因素综合作图 成煤环境 砂泥比 岩性稳定性 

分 类 号：TD163[矿业工程—矿山地质测量]