SELF-POTENTIAL METHOD FOR DETECTION OF WATER LEAKAGE THROUGH DAMS

Earth Science Malaysia

article

Luong Duy Thanh¹  Nguyen Canh Thai¹  Nguyen Manh Hung¹  Nguyen Cong Thang¹  Luong Thi Thanh Huong¹ 

[1] Thuyloi University

关键词: Soil Stabilization;    Agriculture Waste;    building construction;   

DOI  :  10.26480/esmy.02.2020.152.155

学科分类：地球科学(综合)

来源: Zibeline International

【 摘 要 】

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.

【 授权许可】

CC BY