充填采煤开采沉陷主控因素及其影响规律研究  

Main Control Factors and Influence Rule of Mining Subsidence by Backfill Mining

作　　者：胡炳南[1] 颜丙双[2] 

机构地区：[1]煤炭科学研究总院战略规划研究院,北京100013 [2]天地科技股份有限公司开采设计事业部,北京100013

出　　处：《煤矿开采》2016年第2期57-59,共3页Coal Mining Technology

基　　金：国家重大科技专项:大型油气田及煤层气开发(两淮矿区煤层群开采条件下煤层气抽采示范工程)(2016ZX05068002-003)

摘　　要：为了使煤矿充填技术进一步在"三下"压煤开采中得到推广应用,介绍了煤矿固体充填、膏体充填和高水充填等三类充填技术;系统分析了原岩应力、煤体和顶底板强度、开采高度、控顶距、充填率、充填体强度和压缩率等主控因素对开采沉陷的影响;研究了充填采煤中的开采沉陷及其顶板下沉量、未接顶量和压缩量等三量;最后,提出了提高充填减沉效果的系列控制技术措施。In order to improve coal mine backfill technology for use widely future in coal mining under buildings, railways and water bodies, the paper introduced three backfill technologies, which included solid backfilling, paste backfilling and high water content material backfilling.Mining subsidence that influenced by the main controlling factors was analyzed systemic, such as initial stresses, coal body strength, roof and floor strength, mining height, roof controllable size, backfill ratio, backfill body strength and compres-sion rate, then mining subsidence, roof convergence, non contact roof amount and compression amount of mining subsidence in back-filling mining were analyzed, series of controlling technologies that improved backfilling results were put forward at the end.

关 键 词：充填采煤 开采沉陷 主控因素 

分 类 号：TD823.7[矿业工程—煤矿开采]