Application of multiple geophysical prospecting methods and high precision survey in expressway construction

Yang Zhang; Xiaolu Yan; Lu Yang

doi:10.1117/12.2667462

10 February 2023 Application of multiple geophysical prospecting methods and high precision survey in expressway construction

Yang Zhang, Xiaolu Yan, Lu Yang

Author Affiliations +

Proceedings Volume 12552, International Conference on Geographic Information and Remote Sensing Technology (GIRST 2022); 125521M (2023) https://doi.org/10.1117/12.2667462
Event: International Conference on Geographic Information and Remote Sensing Technology (GIRST 2022), 2022, Kunming, China

Abstract

Through the combination of various geophysical methods and high precision measurements with geological survey results, the structural development of expressway tunnel section is inferred, and a number of faults and joint fracture zones are delineated. A variety of geophysical exploration methods including controlled source audio magnetotelluric (CSAMT) and magnetic exploration are used to explore tunnels in igneous rocks. According to the morphology and electrical distribution characteristics of resistivity anomalies and magnetic prospecting anomalies, several examples are listed and discussed. The stability of overburden in tunnel area is poor, which provides corresponding suggestions for the construction side in expressway construction to ensure the safety of construction.

Citation Download Citation

Yang Zhang, Xiaolu Yan, and Lu Yang "Application of multiple geophysical prospecting methods and high precision survey in expressway construction", Proc. SPIE 12552, International Conference on Geographic Information and Remote Sensing Technology (GIRST 2022), 125521M (10 February 2023); https://doi.org/10.1117/12.2667462

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