摘要
针对深部向斜构造区煤泥岩大巷围岩控制难题,以水峪煤业采区运输巷为研究对象,采用现场调研、数值模拟和理论分析方法,分析了深部煤泥岩巷道围岩位移和应力分布特征,研究了适用于深部煤泥岩巷道围岩的内外承载体环形协同控制技术主要结构和原理,构建了约束混凝土支架和围岩耦合模型,分析了内外承载结构体作用下深部煤泥岩巷道围岩位移和塑性区分布特征,并在现场进行了工业性试验,应用效果良好,对类似大巷围岩稳定性控制提供一定参考。
Aiming at solving the problem of controlling surrounding rocks in coal and mudstone roadways of deep and syncline zone,the district transportation roadway in Shuiyu Coal Mine was taken as the research object.Based on field investigation,numerical simulation,and theoretical analysis methods,the coal and mudstone wall rock displacement and stress distribution in deep roadways were analyzed.The main structure and principle of the inner and outer bearing structure applicable to wall rocks in deep coal and mudstone roadways were studied.A constrained concrete support and a surrounding rock coupling model were established,and the displacement and plastic zone distribution characteristics of the surrounding rocks in deep coal and mudstone roadways under the effect of inner and outer bearing force were analyzed.The industrial tests were taken on site,resulting in a good practice,which provide a certain reference for the stability control of surrounding rocks in similar roadways.
作者
李生亚
严红
裴晖
孟辉
吴林
邓飞
LI Shengya;YAN Hong;PEI Hui;MENG Hui;WU Lin;DENG Fei(Shanxi Fenxi Shuiyu Coal Industry Co.,Ltd.,Lyuliang 032300,China;School of Mines,China University of Mining and Technology,Xuzhou,221116,China;Shanxi Coking Coal Fenxi Mining Industry,Jiexiu 032000,China)
出处
《煤炭工程》
北大核心
2024年第7期67-72,共6页
Coal Engineering
关键词
煤泥岩巷道
向斜构造区
深部矿井
内外承载体结构
围岩控制
coal and mudstone roadway
syncline zone
deep mine
internal and external bearing structures
surrounding rock control
