The Application of CSAMT Exploration to Detecting Urban Concealed Faults
详细信息
- 责任者：Xia Xunyin (No.519 Geological Party ; North China Geological Exploitation Bureau ; Baoding 071051 ; China) ; Li Yi
- 刊名：Geophysical and Geochemical Exploration
- 出版年：2013
- 卷期：37(4)
- 关键词：可控源音频大地电磁法 ; controlled-source audio magnetotelluric methods ; 隐伏构造 ; subsurface structure ; 北京 ; Beijing
- 页码：p.687-691
- 图表：illus., 1 table, 17 refs.
- 分类号：1600
- issnNo：ISSN1000-8918
- isbnNo：CN11-1906/P
摘要
This paper introduces the technical measures of the CSAMT in the detection of urban faults in the aspects of data acquisition,data processing and methods of overcoming the electromagnetic interference,on the basis of geological data available.There are multiple buried faults in the new district planning of Changping District in Beijing,as shown by the existing geological data.In order to provide the basic geological data for the new district planning and identify the exact location and attitude of the fracture as well as the buried depth of the bedrock on both sides of the fracture,the authors arranged four CSAMT profiles in the study area,obtained a comprehensive explanation of the 4 profiles,and determined the accurate location of the fault.The results show that the CSAMT is effective in buried faults detection and can play an increasingly important role in the exploration of buried faults in urban areas.
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