FOUNDATION CHARACTERIZATION IN IKATE AREA SOUTHWESTERN NIGERIA USING ELECTRICAL RESISTIVITY TOMOGRAPHY AND CONE PENETRATION TEST

Oluyemi E. Faseki (), O. Ademeso Anthony, I. Adebayo Kehinde, Oladapo Olasunkanmi and B. Omoyajowo Thomas
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Oluyemi E. Faseki: Department of Earth Sciences, Adekunle Ajasin University, Akungba Akoko, Ondo State, Nigeria
O. Ademeso Anthony: Department of Applied Geology, Federal University of Technology, Akure, Ondo State, Nigeria
I. Adebayo Kehinde: Department of Geology, University of Calabar, Cross River State, Nigeria
Oladapo Olasunkanmi: Department of Earth Sciences, Adekunle Ajasin University, Akungba Akoko, Ondo State, Nigeria
B. Omoyajowo Thomas: Department of Geology, Federal University, Oye Ekiti, Ekiti State, Nigeria

Engineering Heritage Journal (GWK), 2022, vol. 6, issue 2, 51-57

Abstract: The establishments of the nexus between the underlying geology and engineering properties are fundamentals to the safe, economic and serviceable designs of civil engineering structures. Cone Penetration Test (CPT) and Electrical Resistivity Tomography (ERT) are critical tools in foundation parameterization especially within Quaternary sediments serving as foundation of engineering structures. Both techniques were used to obtained point data and lateral continuity of geologic units within Ikate Area of Lagos Metropolis for foundation parameterization. Measurements which comprising 4 profiles of 2D resistivity imaging using the Wenner electrode configuration; 1 borehole and 12 cone penetration tests (CPT) were taken with Pasi Terrameter, percussion rig and the 10.0 tons penetrometer respectively. The ERT results interpreted using Dipro software were presented in Pseudo-sections while the cone penetration test results analysed with Microsoft Excel were represented as resistance curves. Interpretation from the two methods integrated with the borehole results reveals the presence clay, peat and sand of varying properties. The uppermost layer consists of medium dense sand followed by clay/peat of very low resistivity (

Keywords: Cone Penetration Test; Electrical Resistivity Tomography; Ikate Area; Shallow Foundation; Bearing Capacity; Nigeria (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbngwk:v:6:y:2022:i:2:p:51-57

DOI: 10.26480/gwk.02.2022.51.57

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