Characterization of Sub-Soil Corrosion Potential Using Electrical Resistivity Method across the Niger Delta University Campus, Bayelsa State, Southern Nigeria
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International Journal of Recent Engineering Science (IJRES) |  |
| © 2025 by IJRES Journal | ||
| Volume-12 Issue-2 |
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| Year of Publication : 2025 | ||
| Authors : Oki Austin Oyinkuro, Opukumo Alfred Wilson |
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| DOI : 10.14445/23497157/IJRES-V12I2P103 |
How to Cite?
Oki Austin Oyinkuro, Opukumo Alfred Wilson, "Characterization of Sub-Soil Corrosion Potential Using Electrical Resistivity Method across the Niger Delta University Campus, Bayelsa State, Southern Nigeria," International Journal of Recent Engineering Science, vol. 12, no. 2, pp. 20-27, 2025. Crossref, https://doi.org/10.14445/23497157/IJRES-V12I2P103
Abstract
Investigation of sub-soil corrosion potential was done on the Niger Delta University campus, Bayelsa State of Nigeria using the Vertical Electrical Sounding method. Six (6) VES stations spanning the area of interest were occupied, and data was acquired using the Schlumberger array configuration. The acquired VES data was modelled using the IP2WIN inversion software to generate geo-electric models. Geo-electric parameters were obtained from the models for the individual layers delineated by the VES profile. The geo-electric model from the 6 (six) VES stations investigated revealed 6 (six) distinct geo-electric layers, all with similar layer resistivity trends of ρ1> ρ2> ρ3< ρ4> ρ5< ρ6 characteristic of the QHKH curve type across the area. Geologic interpretation based on the resistivity values obtained from the geo-electric model was done to characterize the various materials delineated. Classification of soil corrosiveness in terms of resistivity was then carried out to show the corrosion potential of each geologic layer. Results revealed a topsoil having negligible corrosion potential across the study area, and the second layer was interpreted as having a low corrosion potential in VES 1,2,3,4,6 and a high corrosion potential in VES station 5. The third layer had high to very high corrosion potential across all VES stations. The fourth and sixth layers had negligible corrosion potential across the area investigated, while the fifth layer had a low corrosion potential across the area under study. Results obtained show that geologic units are fairly laterally continuous across the area, although they vary in thicknesses due to differential compaction.
Keywords
Amassoma, Corrosiveness, Electrical, Resistivity, Sub-soil Characterization.
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