Research progress on integrated geophysical exploration technology for termite nests in embankments and dams
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(1.School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China;2.Zhejiang Institute of Hydraulics & Estuary (Zhejiang Institute of Marine Planning and Design),Hangzhou 310020,China;3.Zhejiang Guangchuan Engineering Consulting Co., Ltd., Hangzhou 310020,China;4.Key Laboratory of Hydraulic Disaster Prevention and Mitigation of Zhejiang Province, Hangzhou 310020, China)

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TV698.1

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    Abstract:

    By reviewing the types and scales of termite nests in different periods of earth-rock dams, the structural characteristics and disaster modes of termite nests are expounded, and the physical properties based on the geophysical exploration of termite nests are summarized. The application status of methods such as the direct current resistivity method, ground penetrating radar technology and seismic exploration method in termite nest exploration is emphatically introduced. The application conditions of the methods are discussed from the perspectives of achievement dimension, detection efficiency, work intensity and detection accuracy. It is pointed out that the existing geophysical exploration technologies are still insufficient to support high-precision, high-efficiency, and three-dimensional detection of termite nests. Therefore, a comprehensive geophysical exploration service framework for termite nest detection is proposed, including survey, detailed investigation, management, and monitoring. Based on the objective needs of termite nest detection technology, it is proposed that future geophysical detection technology should focus on the development of 1∶1 physical simulation device for disease and hidden danger map of termite nest development stages, the development of termite nest detection equipment and forward and inverse algorithms adapted to dam terrain, and the construction of a regular inspection system for dam termite damage and time-lapse resistivity monitoring system.

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谭磊,彭渊,张平松,等.堤坝蚁巢综合物探技术研究进展[J].水利水电科技进展,2024,44(5):7-15, 47.(TAN Lei, PENG Yuan, ZHANG Pingsong, et al. Research progress on integrated geophysical exploration technology for termite nests in embankments and dams[J]. Advances in Science and Technology of Water Resources,2024,44(5):7-15, 47.(in Chinese))

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History
  • Received:December 13,2023
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  • Online: September 25,2024
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