Application Test of Anti-Interference Electrical Method Instrument to Urban Geophysical Prospecting in Tongzhou, Beijing - International Journal of Geosciences

IJG > Vol.12 No.4, April 2021

Volume 12, Issue 4 (April 2021)

ISSN Print: 2156-8359 ISSN Online: 2156-8367

Google-based Impact Factor: 0.56 Citations h5-index & Ranking

Application Test of Anti-Interference Electrical Method Instrument to Urban Geophysical Prospecting in Tongzhou, Beijing ()

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Download as PDF (Size: 7282KB) PP. 418-430

DOI: 10.4236/ijg.2021.124022 258 Downloads 659 Views

Author(s)

Yonghui Su^1,2, Songwei Guo^1,3, Dawei Li³, Yang Liu⁴

Affiliation(s)

¹School of Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing, China.
²Inner Mongolia No.1 Geological Mineral Exploration and Development Co., Ltd., Hohhot, Inner Mongolia, China.
³Beijing Explo-Tech Engineering Co., Ltd., Beijing, China.
⁴Erdaojiang Branch of Tonghua Land and Resources Bureau, Tonghua, Jilin Province, China.

ABSTRACT

With the rapid development of the city, it is necessary to obtain geological information within 500 meters. Electrical prospecting is not only low cost and simple operation, but also solves the problem of insufficient drilling density in a survey. However, due to the dense urban buildings and strong electromagnetic interference, it is difficult for traditional electrical instruments to obtain effective data. An anti-interference electrical method instrument is designed. In the application test of Tongzhou core area in Beijing, the resistivity sounding data collected by anti-interference electrical method instrument is stable and reliable; inversion results of sounding are basically consistent with borehole data; the known Zhangjiawan fault and Yaoxinzhuang fault are obvious; basement karst collapse area inferred is basically coincident with the historical collapse area. It is proved that the anti-interference electrical method instrument is effective and can be applied to the geological survey of underground space in other cities.

KEYWORDS

Inversion of Minimum Layers Newton Variable Method, Vertical Projection Algorithm, Zhangjiawan Fault, Yaoxinzhuang Fault, Karst Collapse

Share and Cite:

Su, Y. , Guo, S. , Li, D. and Liu, Y. (2021) Application Test of Anti-Interference Electrical Method Instrument to Urban Geophysical Prospecting in Tongzhou, Beijing. International Journal of Geosciences, 12, 418-430. doi: 10.4236/ijg.2021.124022.

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