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http://dx.doi.org/10.12989/gae.2022.30.4.337

Theoretical resistance in cylindrical electrodes with conical tip  

Hong, Chang-Ho (Disposal Performance Demonstration Research Division, Korea Atomic Energy Research Institute)
Kim, Jin-Seop (Disposal Performance Demonstration Research Division, Korea Atomic Energy Research Institute)
Chong, Song-Hun (Department of Civil Engineering, Sunchon National University)
Publication Information
Geomechanics and Engineering / v.30, no.4, 2022 , pp. 337-343 More about this Journal
Abstract
The electrical resistivity method is a well-known geophysical method for observing underground conditions, (such as anomalies) and the properties of soil and rock (such as porosity, saturation, and pore fluid characteristics). The shape of electrodes used in an electrical resistivity survey depends on the purpose of the survey and installation conditions. Most electrodes for field applications are cylindrical for sufficient contact with the ground, while some are conically sharpened at their tips for convenient penetration. Previous study only derived theoretical equations for rod-shaped electrodes with spherical tips. In this study, the theoretical resistance for two cylindrical electrodes with conical tips is derived and verified experimentally. The influence of the penetration depth and tip on the measurement is also discussed.
Keywords
cylindrical electrode; electrical resistance; electrode tip; penetration depth;
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Times Cited By KSCI : 6  (Citation Analysis)
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