透射槽波探测技术在同煤塔山矿的应用研究  

Research on application of channel wave detection technology in Tashan mine of Datong coal mine

作　　者：马彦龙 朱书阶 勾永全 杨开珍 李刚 吴国庆 姜宇升 MA Yanlong;ZHU Shujie;GOU Yongquan;YANG Kaizhen;LI Gang;WU Guoqing;JANG Yusheng(Xi'an Research Institute Co.,Ltd.,China Coal Technology and Engineering Group,Xi'an 710077,China;Datong Coal Group Tashan Coal Mine Co.,Ltd.,Datong 037000,China)

机构地区：[1]中煤科工集团西安研究院有限公司,陕西西安710077 [2]同煤大唐塔山煤矿有限公司,山西大同037000

出　　处：《中国矿业》2021年第S01期195-199,共5页China Mining Magazine

基　　金：国家重点研发计划课题资助(编号:2018YFC0807804);国家自然科学基金面上项目资助(编号:41974209)。

摘　　要：同煤大唐塔山矿煤层为特厚煤层,地质条件复杂,断层是制约安全高效开采的主要地质因素之一,如何查清回采工作面断层的分布情况是亟需解决的难题。基于槽波地震探测原理,采用槽波透射法,通过特厚煤层槽波探测断层的数值模拟,研究了在特厚煤层中槽波波场响应特征及探测断层断距的精度,并在工作面进行了实际应用。研究结果表明:基于实际模型的顶底板岩性与煤层物性差异明显,槽波发育较好;18m厚煤层槽波主频为80Hz,埃里相速度为1 000~1 100m/s,对模型数据进行60~100Hz的带限滤波,通过成像,槽波可以探测断距为5m以上的断层;结合回采情况,同煤大唐塔山矿宜采用透射槽波地震探测技术对构造进行探查,槽波解释成果可为矿井安全高效智能化开采提供可靠的地质保障。The coal seam of Tashan mine of Datong coal mine is an extra-thick coal seam with complex geological conditions.Faults are one of the main geological factors restricting safe and efficient mining.How to find out the distribution of faults in the working face is a problem that needs to be solved urgently.Based on the principle of groove wave seismic detection,using the groove wave transmission method,through the numerical simulation of the groove wave detection of the extra-thick coal seam,the response characteristics of the groove wave field in the extra-thick coal seam and the accuracy of detecting the fault distance are studied.Practical application has been carried out.The research results show that the actual model-based roof and floor lithology is significantly different from the coal seam’s physical properties,and the channel wave is well developed;the main frequency of the channel wave in the 18 mthick coal seam is 80 Hz,and the Airy phase velocity is 1 000-1 100 m/s.Band-limited filtering of the model data is performed at 60-100 Hz.Through tomographic imaging,the trough wave can detect faults with a fault distance of 5 m or more;combined with the mining situation,the transmission trough wave seismic detection technology should be used in the Tashan mine of Datong coal mine.Exploration and trough wave interpretation results can provide reliable geological guarantee for safe,efficient and intelligent mining of mines.

关 键 词：槽波探测技术 断层探测 数值模拟 槽波特征 同煤塔山矿 

分 类 号：P631[天文地球—地质矿产勘探]