Self-Potential Method For Detection Of Water Leakage Through Dams

Luong Duy Thanh (), Nguyen Canh Thai, Nguyen Manh Hung, Nguyen Cong Thang and Luong Thi Thanh Huong
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Luong Duy Thanh: Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Vietnam
Nguyen Canh Thai: Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Vietnam
Nguyen Manh Hung: Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Vietnam
Nguyen Cong Thang: Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Vietnam
Luong Thi Thanh Huong: Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Vietnam

Earth Sciences Malaysia (ESMY), 2020, vol. 4, issue 2, 152-155

Abstract: The self-potential (SP) method is a passive, non-invasive and cost-effective geophysical method based on the measurement of electrical potential naturally occurring on the earth’s surface. One of the main causes for the electrical potential at the earth’s surface is water seepage under the ground. In this work, we perform the SP measurement on a small artificial earthen dam built at Thuyloi University. Our result shows that the selection of electrode types is crucial in the SP measurements. Namely, Cu/CuSO4 porous pots are much better than copper stake electrodes for the SP measurement. Additionally, it is shown that the SP measurement using suitable electrodes can be applied to detect underground water leakage and flow direction in the dam based on an anomaly and variation of electric potential with position on the survey area.

Keywords: Streaming potential; electrodes; zeta potential; leakage.Journal: Earth Sciences Malaysia (ESMY) (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbesmy:v:4:y:2020:i:2:p:152-155

DOI: 10.26480/esmy.02.2020.152.155

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