Study on Application of the Electrical Resistivity in Building Foundation Study around Led School Area in Bishini, Northwestern Nigeria

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Study on Application of the Electrical Resistivity in Building Foundation Study around Led School Area in Bishini, Northwestern Nigeria

January 2, 2021 Environment 0

For the preparation of geoelectric sections along four cross sections, the findings from the 2-D interpretation of the VES data were used. The interpreted results showed that three to five layers of geoelectric sections consist of: top soil, laterite, lateritic clay, weathered layer and fresh basement. For the top soil, the resistivity value and subsurface layer thickness ranged between 191.7 Ω m and 8146 Ω m and 0.3 m to 7.0 m respectively. Resistivity values ranging from 1000 Ω m to 1627.3 Ω m and thickness from 1.8 m to 2.5 m were present in the laterite layer. The resistivity of the weathered layer ranged from 33.5 Ω m to 850 Ω m with a 3.6 m to 44 m thickness. The resistivity of the bedrock ranged from 1238.3 to 33438.6 by Ωm. The thinnest sequence of loose overburden materials and fresh basement at the shallowest depth were revealed by geoelectric sections along profile 4 and 1. For building growth, the area covered by these profiles is appropriate. Because of relatively thick weathered soils, building creation should not be located along profiles 2 and 3. The region can, however, be considered for citing the borehole to harness its capacity for groundwater.

Author(s) Details

Olufemi F. Ojo
Department of Geology, Ekiti State University, Ado-Ekiti, Ekiti State, Nigeria.

Abel O. Talabi
Department of Geology, Ekiti State University, Ado-Ekiti, Ekiti State, Nigeria.

Lekan O. Afolagboye
Department of Geology, Ekiti State University, Ado-Ekiti, Ekiti State, Nigeria.

Akintunde A. Oyedele
Department of Physics, Ekiti State University, Ado-Ekiti, Ekiti State, Nigeria.

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