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机构地区:[1]山西大同大学煤炭工程学院,山西大同037003 [2]中国矿业大学矿业工程学院,江苏徐州221116 [3]黄石市国土资源局,湖北黄石435000
出 处:《煤矿安全》2016年第11期93-96,共4页Safety in Coal Mines
基 金:江苏高校优势学科建设工程资助项目(PAPD)
摘 要:为了解决新桥煤矿巷道围岩松散破碎难以进行有效支护的难题,基于该矿南一采区运输上山巷道及其围岩的岩性和地质条件,通过采用巷道围岩泥化理论、巷道围岩裂隙发育特性和规律、巷道围岩松动圈理论进行分析,提出了"注+架+锚"交互承载支护技术并进行了工业性试验。结果表明采用"注+架+锚"交互承载支护技术可有效维护破碎围岩巷道的长期稳定性。In order to solve a support problem that loose and broken surrounding rock of roadway is difficult to effectively support with complex situations in Xinqiao Mine, on basis of the lock properties and geological conditions of transportation roadway in south No. 1 mining area of Xinqiao Coal Mine, we use the theory of roadway surrounding rock mudding, fracture development characteristics and laws, roadway surrounding rock loose circle theory to analyze and propose "grouting + framing + bolting" interaction bearing support- ing principle and an industrial trim was conducted in the mine. The results show that the "grouting + framing + bolting" interaction bearing supporting technology can effectively maintain the long - term stability of the crashed surrounding rock of roadway.
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