Ground Penetrating Radar Application to Detect the Watertight Clay Layer at Tailing Dump
Kalmurzayev K. Madenova Y.
February 2023Springer Science and Business Media Deutschland GmbH
Mining, Metallurgy and Exploration
2023#40Issue 1337 - 345 pp.
This study intends to demonstrate the engineering application of ground penetrating radar (GPR) that would enable site engineers to prevent the high cost of blind drilling. At the tailing dump located in Zhairem Mining and Processing Plant, the challenge of sheet pile driving is encountered due to the indefinite watertight clay layer deposition depth that serves as a protective layer against groundwater contamination. A numerical model of the soil underlying the tailing dump is built using the existing hole data to compare and confirm the existing geological cross sections for three profile lines along the south and southeast parts of the tailing dump. GPR is employed to investigate the subsoil geological structure and detect the watertight clay layer deposition. On the basis of radargrams tied to the existing borehole data in the numerical model, 21 drill hole locations are suggested to assess and confirm the clay layer depth along profile lines at the tailing dump. The drilling results of the suggested holes confirmed the expected depth of the clay layer. It is concluded that GPR is a practical and economic subsurface mapping method that can prevent the high cost of blind digging of the ground and orient the drilling operations effectively.
Clay layer detection , Ground penetrating radar , Numerical modeling , Radargram , Tailing dump
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The Faculty of Mining, Metallurgy and Natural Sciences, Zhezkazgan University Named After Baikonurov, Zhezkazgan, Kazakhstan
School of Mining and Geosciences, Nazarbayev University, Astana, Kazakhstan
The Faculty of Mining
School of Mining and Geosciences
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