摘要
矿井煤层采动引起的覆岩破坏产生的裂隙在一定条件下存在“自我修复”现象。为了了解覆岩裂隙自修复机理中各影响因素的相互作用,基于矿井生产相关试验数据和理论研究对覆岩裂隙自修复的影响因素进行了系统分析,发现其影响因素主要包括覆岩自身的岩性及矿物成分、埋深、水文条件、开采参数、裂隙产生后的修复时间及温度等。对不同影响因素对覆岩裂隙的自修复作用进行了对比分析,初步建立了其影响因素层次评价指标体系,以期对未来采动岩体裂隙自修复的其他试验研究提供积极帮助。
Under certain conditions,there is a phenomenon of'self-repair'in the cracks produced by the overburden failure caused by coal seam mining in mine.In order to clarify the interaction of various influencing factors in the self-healing mechanism of overburden rock fractures,the influencing factors of self-healing of overburden rock fractures were systematically analyzed based on the relevant experimental data and theoretical research of mine production.It was found that the influencing factors mainly included the lithology and mineral composition of the overburden rock itself,buried depth,hydrological conditions,mining parameters,repair time and temperature after the cracks were generated.The self-healing effects of different influencing factors on overburden fractures were compared and analyzed,and the hierarchical evaluation index system of influencing factors was preliminarily established,in order to provide positive help for other experimental studies on self-healing of mining-induced rock fractures in the future.
作者
谢启红
杨江山
邵先杰
褚程程
王旭明
刘潇潇
Xie Qihong;Yang Jiangshan;Shao Xianjie;Chu Chengcheng;Wang Xuming;Liu Xiaoxiao(Puyang Petrochemical Vocational and Technical College,Puyang 457000,China;School of Vehicle and Energy,Yanshan University,Qinhuangdao 066004,China)
出处
《煤炭与化工》
CAS
2024年第10期17-21,共5页
Coal and Chemical Industry
基金
河北省自然科学基金(D2016203253)
河北省科技计划项目(15236007)。
关键词
覆岩裂隙
自我修复
影响因素
指标体系
overburden rock fissures
self-repair
influencing factors
index system
作者简介
谢启红(1989-),男,河南濮阳人,硕士。
