Osisanya O. Wasiu
Department of Physics, University of Benin, Benin, Edo, Nigeria
Diyanuwa A. Buduwara
Department of Civil and Water Resources Engineering, University of Meduguri, Nigeria
Korode A. Isaac
Department of Petroleum Engineering and Geosciences, Petroleum Training Institute, Effurun, Nigeria
Ibitoye T. Abel
Department of Petroleum Engineering and Geosciences, Petroleum Training Institute, Effurun, Nigeria
Ajibade F. Zephaniah
Department of Petroleum Engineering and Geosciences, Petroleum Training Institute, Effurun, Nigeria
Structural failure has been recently happenings mostly in the commercially populated states along the coastal line in Nigeria. As a result, an open field at a chosen location in Abuja, Nigeria, was investigated. For the purpose of this study, test bores were drilled and Standard Penetration Tests (SPT) were conducted at every 1.5 m interval up to a maximum depth of 12.0 m with the bearing pressure ranging between 20 kN/m2 and 1000 kN/m2 . 3 test bores were drilled within the plot location, and samples were obtained at the test bore’s locations for laboratory analysis. Findings revealed that subsurface lithology found at the site within the explored depths of 0.0-12.0 m is mostly silty sand, laterite, sandy clay, silty clay, clayey sand, and weathered rock. The findings from the sub-soils of the different places and their bearing pressures were computed with SPT N value. Building foundations may be rigid raft foundations at a depth of 2.0 meters below the present ground level, according to bearing capacity values that range from 20 kN/m2 to 60 kN/m2 at 1.5 to 3.0 meters. The recommended building foundations take into account the sub-soil’s characteristics at the drilling places at a depth of between 1.0 and 3.0 meters. The structure might also be supported by frictional piles buried 10 meters beneath the surface.
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Copyright © 2023 Osisanya O. Wasiu, Diyanuwa A. Buduwara, Korode A. Isaac, Ibitoye T. Abel, Ajibade F. Zephaniah
This is an open access article under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License.
