大巷煤柱回收工作面顶板控制技术研究  

Research on Roof Control Technology of Coal Pillar Recovery Working Face in Roadway

作　　者：曹建波 CAO Jianbo(Guizhou Qianxi Jinpo Coal Industry Co.,Ltd.,Bijie 551500,China)

机构地区：[1]贵州省黔西金坡煤业有限责任公司,贵州毕节551500

出　　处：《煤炭技术》2024年第4期57-61,共5页Coal Technology

摘　　要：针对轿子山煤矿9717大巷煤柱回收综采工作面实际生产情况,综合运用现场监测、数值模拟和理论分析手段,开展大巷煤柱回收孤岛工作面矿压显现规律及控制方法研究,进行工作面预裂爆破强制放顶参数设计,并在该工作面进行工程应用,对回采期间顶板及工作面超前段回采巷道进行矿压监测,分析工作面矿压显现特征,达到保障工作面安全生产目标。研究成果将对类似地质条件下的煤柱回收工作面的回采具有一定的借鉴意义。In view of the actual production situation of the fully mechanized mining face of coal pillar recovery in 9717 main roadway of Jiaozishan coal mine,the field monitoring,numerical simulation and theoretical analysis methods are comprehensively used to carry out the research on the law and control method of mine pressure in the island working face of coal pillar recovery in the main roadway,and the pre-splitting blasting forced caving parameters of the working face are designed.The engineering application is carried out in the working face,and the mine pressure monitoring is carried out on the roof and the leading section of the working face during the mining period,and the characteristics of the mine pressure in the working face are analyzed to achieve the goal of ensuring the safe production of the working face.The research results will have certain reference significance for the recovery of coal pillar recovery working face under similar geological conditions.

关 键 词：煤柱回收 顶板控制 矿压监测 放顶参数 

分 类 号：TD325[矿业工程—矿井建设]