铁路隧道工程勘察中高频大地电磁测深应用效果研究
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摘要
铁路隧道周围一定范围内的岩溶洞穴及断层构造,都将对隧道施工产生安全隐患,本文阐述采用EH?4电导率成像系统的高频大地电磁法能够准确快速的探测一定深度范围内的溶洞、断层等地质构造,对施工区的地质构造和岩溶的赋存状态进行超前的宏观预测,并将野外的成功实例进行分析。
Karst caverns and faults around the railroad present a great threat to the safety of railroad tunnel construction. In this paper, the authors explored applicability of the high frequency MT method by using the stratagem~(TM) EH-4 electrical conductivity image-forming system for advance detection of the karst caverns and faults within a specified depth. At the end of the paper a case study is presented to demonstrate its application.
Karst caverns and faults around the railroad present a great threat to the safety of railroad tunnel construction. In this paper, the authors explored applicability of the high frequency MT method by using the stratagem~(TM) EH-4 electrical conductivity image-forming system for advance detection of the karst caverns and faults within a specified depth. At the end of the paper a case study is presented to demonstrate its application.
引文
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[4]于爱军,黄辉,徐德利,马孟远,陈瑞林,赵新峰.EH?4电磁系统用于金矿找矿的效果———以山东山后和甘肃阳山矿区为例[J].黄金地质,2002,8(1):51~55.Yu A ijun,Huang Hu i,Xu D eli,Ma M engyuan,Chen Ru ilin,Zhao X infeng.Application effication of EH-4 electromagneticsystem in gold deposit find ing:tak ing example of Shanhuo depositin Shandong and Yangshan deposit in Gansu.Gold geology,2002,8(1):51~55.
[5]A.A考夫曼,G.V凯勒.频率域和时间域电磁测深[M].北京:地质出版社,1987.G.V.Keller,A.A.Kaufman.Frequency and transient sound ing.Beijing:Geology Press,1987.
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[7]傅良魁.应用地球物理学教程[M].北京:地质出版社,1990.Fu L iangku i.The course of applied geophysics.Beijing:GeologyPress,1990.
[2]石应骏,刘国栋,吴广耀,王家映,王华俊,王光锷,吴乃爵.大地电磁测深法教程[M].北京:地震出版社,1985.Sh i Y in jun,L iu Guodong,W u Guangyao,W ang Jiaying,W angHuajun,W ang Guange,W u Naijue.The Course ofMagnetortelluricsound ing.Earthquake Press,1985.
[3]郭建强,武毅,邵汝君,曹福祥.StratageTMEH?4电导率成像系统简介及应用[J].物探与化探,1998,22(6):458~464.Guo Jianq iang,W u Y i,SHao Ru jun,Cao Fuxiang.A brief de-scription of the StratagemTMEH-4 electrical conductivity imagem-form ing system and its application.Geophysical&geochem icalexploration,1998,22(6):458~464.
[4]于爱军,黄辉,徐德利,马孟远,陈瑞林,赵新峰.EH?4电磁系统用于金矿找矿的效果———以山东山后和甘肃阳山矿区为例[J].黄金地质,2002,8(1):51~55.Yu A ijun,Huang Hu i,Xu D eli,Ma M engyuan,Chen Ru ilin,Zhao X infeng.Application effication of EH-4 electromagneticsystem in gold deposit find ing:tak ing example of Shanhuo depositin Shandong and Yangshan deposit in Gansu.Gold geology,2002,8(1):51~55.
[5]A.A考夫曼,G.V凯勒.频率域和时间域电磁测深[M].北京:地质出版社,1987.G.V.Keller,A.A.Kaufman.Frequency and transient sound ing.Beijing:Geology Press,1987.
[6]张宪润,陈儒军,激电相对相位法区分矿与非矿的成功实例[J].物探与化探.1998,22(4):251~254.Zhang X ianrun,Chen Ru jun.The successfu l utilization of IP rela-tive phase m ethod for d istingu ish ing anomalies related to m inerali-zation.Geophysical&geochem ical exploration,199822(4):251~254.
[7]傅良魁.应用地球物理学教程[M].北京:地质出版社,1990.Fu L iangku i.The course of applied geophysics.Beijing:GeologyPress,1990.
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