高密度电阻率法在丹江口水源区尾矿坝监测中的应用

doi:10.11720/wtyht.2020.1190

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Abstract

The dam failure and leakage risk of tailings dam are directly related to the safe operation of tailings pond, which is an important environmental safety problem. In this paper, the authors used the high density resistivity method to detect the two-dimensional fine section of tailings dam, and found four weak areas of tailings dam structure. Since the leakage is mainly caused by the movement of groundwater, monitoring studies were carried out for three times on the tailings dam before and after the rainy season and, as a result, the dynamic response of the electrical structure of the dam body was obtained, with a suspected dew point determined. The feasibility of application of high density resistivity method to the tailings dam monitoring was verified, and the result provides a new technical means for tailings dam stability study.

Key words： tailings dam high density resistivity method monitor seepage channel

Received: 02 April 2019 Published: 03 March 2020

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	Dao-Han LIU
	Shi-Xin LUO
	Chang-Jing CHEN

Cite this article:

Dao-Han LIU,Shi-Xin LUO,Chang-Jing CHEN. The application of high density resistivity method to the monitoring of tailings dam[J]. Geophysical and Geochemical Exploration, 2020, 44(1): 215-219.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2020.1190 OR https://www.wutanyuhuatan.com/EN/Y2020/V44/I1/215

The schematic diagram of geological structure and work deployment

Statistical table of physical parameters

Distribution of fitting data with dipole-dipole device

Inversion section of 2D high density resistivity method in tailing dam

Inversion section of 2D high density resistivity method perpendicular to tailing dam

Inversion section of 2D high density resistivity method in tailing dam at different times
a—section detected in dry season;b—section monitored in rainy season;c—section monitored in flood season

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