Integrated Geotechnical and Geophysical Investigation of a Proposed Construction Site at Mowe, Southwestern Nigeria

Autor: Oyedele Kayode F., Oladele Sunday, Nduka Adaobi C.
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: GeoScience Engineering, Vol 64, Iss 3, Pp 21-29 (2018)
Druh dokumentu: article
ISSN: 1802-5420
DOI: 10.2478/gse-2018-0014
Popis: The subsurface of a proposed site for building development in Mowe, Nigeria, using Standard Penetration Test (SPT), Cone Penetrometer Test (CPT) and Horizontal Electrical Profiling (HEP), was investigated with the aim of evaluating the suitability of the strata for foundation materials. Four SPT and CPT were conducted using 2.5 tonnes hammer. HEP utilizing Wenner array were performed with inter-electrode spacing of 10 – 60 m along four traverses coincident with each of the SPT and CPT. The HEP data were processed using DIPRO software and textural filtering of the resulting resistivity sections was implemented to enable delineation of hidden layers. Sandy lateritic clay, silty lateritic clay, clay, clayey sand and sand horizons were delineated. The SPT “N” value defined very soft to soft sandy lateritic (
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