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International Journal of Basic Science and Technology

A publication of the Faculty of Science, Federal University Otuoke, Bayelsa State

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Archive | ISSUE: , Volume: Oct-Dec-2024

Spatial Distribution and Geotechnical Characterization of Marine Deposits in the Warri Area of Delta State


Author:Molua, C.O.; Ighrakpata, F.C.

published date:2024-Oct-26

FULL TEXT in - | page 293 - 302

Abstract

This study examines marine deposits’ spatial distribution and geotechnical properties in the Warri area of Delta State, Nigeria. Field surveys, chemical tests, and geographic information system (GIS) analysis were conducted to identify 20 sampling sites. Sediment samples were collected at various depths and analyzed using grain size analysis, Atterberg limits tests, and shear strength tests in the laboratory. The results show significant variations in depth (2.75-5.75 meters), grain size (0.125-0.250 mm), liquid limit values (22.89%-28%), and plastic limit values (13.68%-18 The study also found that the subgrade material exhibited plasticity and shear strength properties variations. Spatial analysis revealed elevation, thickness, and grain size changes, indicating the influence of topography, hydrological conditions, and depositional processes on the substrate types. The findings suggest considerable heterogeneity in the Warri area regarding marine deposits' spatial distribution and geotechnical characteristics. This study's conclusions are valuable for improving knowledge about local sedimentation processes and informing decisions about further engineering constructions, territory utilization, and environmental protection in the analyzed area.

Keywords: Geotechnical characteristics, Marine deposits, Spatial distribution,,

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