矿山爆破中的电磁辐射  

ELECTROMAGNETIC EMISSIONS DURING QUARRY BLASTING

作　　者：郭自强[1] 罗祥麟[2] 钱书清[3] 赵国芳[2] 郭子琪 陈国华 全力民[2] 阎恒庄 

机构地区：[1]中国科技大学研究生院,北京100039 [2]北京航空工程技术研究中心,北京100076 [3]国家地震局地球物理研究所,北京100081

出　　处：《地球物理学报》1999年第6期834-840,共7页Chinese Journal of Geophysics

基　　金：国家自然科学基金!49374200

摘　　要：利用ＥＳＭＩ电磁干扰接收机和由多频天线与ＳＲ－５０Ｃ磁带机组成的记录系统，在不同距离观测到矿山爆破中的电磁辐射信号，不仅记录到与地震波同时出现的电磁辐射，还记录到大量震后电磁辐射信号．讨论了所得结果的性质及在地震预报中的意义．Electromagnetic emissions have been detected during quarry blasting, by using anESMI electromagnetic interference receiver and a high quality tape recorder withmultifrequency antennas placed at the horizontal distance of 20m, 80m, and 100mfrom the shot point respectively. Both the EM signals and seismological wave wereobserved simultaneously by the tape recorder system during the blasts, and a largenumber of EM emissions were also recorded after the blasts. It has been discussedthat the properties of the results with their significance in seismology.

关 键 词：矿山爆破 破裂电磁辐射 地震电磁辐射 爆破 

分 类 号：TD235.12[矿业工程—矿井建设] P315.9[天文地球—地震学]