预裂爆破技术在综采放顶煤工作面末采期的应用  

THE APPLICATION OF PRE-SPLITTING BLASTING TECHNOLOGY IN THE END OF MINING AT FULLY MECHANIZED CAVING COAL FACE

作　　者：刘慧洁 胡强强 孙凯[3] 

机构地区：[1]中煤科工集团重庆研究院有限公司,重庆400039 [2]山东煤炭技术服务有限公司,济南250032 [3]山东煤炭泰山疗养院,山东泰安271000

出　　处：《矿冶》2017年第4期5-9,26,共6页Mining And Metallurgy

基　　金：国家重点研发计划(2016YFC0801405)

摘　　要：为避免综放面末采期间顶板大面积集中来压,在总结前期矿压规律的基础上,预测末采期顶板运动规律,然后提出在工作面应用顶板预裂爆破技术,现场实测采取预裂爆破的方法对顶板控制的效果。结果表明,实施顶板预裂爆破技术后,全工作面发生3批次5块段的分区域来压,达到了快速安全末采和回撤通道快速贯通的目标。To avoid large roof falling at the same time in the end of mining at fully mechanized caving coal face, we predicted the motion law of the roof on the basis of summarizing the previous mine pressure regularity, ap-plied pre-splitting blasting technology in working face roof, and then studied the effect of pre-splitting blasting methods on strata control. The results showed that the study had achieved the expected goals , the roof failed at three batches and was divided into five pieces after the application of pre-splitting blasting technology.

关 键 词：综放面末采 矿压规律 预裂爆破 顶板控制 

分 类 号：TD323[矿业工程—矿井建设]