Geophysical Investigation of Soil Conditions for Foundation Study of Kukwaba, Abuja

Authors

  • Olatunji Samuel Ayanninuola Institute of Geosciences and Earth Resources, Nasarawa State University, Keffi, NIGERIA
  • Aliyu B. Muhammed Institute of Geosciences and Earth Resources, Nasarawa State University, Keffi, NIGERIA
  • Ofoegbu C. Onunuju Institute of Geosciences and Earth Resources, Nasarawa State University, Keffi, NIGERIA
  • Sawuta, J. Mattew National Space Research and Development Agency, Abuja, NIGERIA

DOI:

https://doi.org/10.53797/aseana.v2i1.1.2022

Keywords:

Layer, Laterite, Resistivity, Subsurface, Structural

Abstract

Geophysical investigation has been carried using Vertical Electrical Sounding (VES) at site in Kukwaba District, Abuja to examine the geophysical parameters that can be used to evaluate the structural competence of the subsurface for foundation. The Schlumberger array configuration was used for the Acquisition of the data. The electrical resistivity data were processed and interpreted using IP12win software package and Surfer 12. A total of 15 VES point was carried out with a maximum current electrode spacing (AB/2) of 100m. The results revealed maximum of five layer, the topsoil, the laterite, weathered layer, fractured basement and fresh basement. The resistivity value of the topsoil ranges between 85.1Ωm to 2416Ωm which is typical clay, clayed, sand, sandy clay and laterite with laterite being the most competent and clay being lest competent. From Geoelectric section, it is observed that the top layer resistivity of VES point 3, 11 and 15 with resistivity value less than 100Ωm are characterized by clay with high moisture content and therefore not competent, while VES point 12 and 14 are lateritic in nature; thus very competent and good for high rising building, while VES point 1, 2, 4, 5, 6, 7, 8, 9, 10, and 13 are moderately competent and can with stand small engineering construction.

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Published

2022-12-17

How to Cite

Ayanninuola, O. S., Muhammed, A. B. ., Onunuju, O. C. ., & Mattew, S. J. . (2022). Geophysical Investigation of Soil Conditions for Foundation Study of Kukwaba, Abuja. ASEANA Science and Education Journal, 2(1), 1-8. https://doi.org/10.53797/aseana.v2i1.1.2022

Issue

Vol. 2 No. 1 (2022): ASEANA: Science and Education Journal

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Articles

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Copyright (c) 2022 Olatunji Samuel Ayanninuola, Aliyu B. Muhammed, Ofoegbu C. Onunuju, Sawuta, J. Mattew

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