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Trends in Applied Sciences Research

Year: 2006 | Volume: 1 | Issue: 6 | Page No.: 654-657
DOI: 10.17311/tasr.2006.654.657
Geotechnical and Engineering Properties of Igbokoda Clay Deposit
A.T. Oyediran and O.O. Akinkurolere

Abstract: The engineering and geotechnical properties of Igbokoda clay deposit was investigated due to its economic and engineering significance. Samples were collected at three different locations and subjected to laboratory tests and analysis. The laboratory experiments confirm some previous work on Igbokoda clay. The clay has a specific gravity of 2.55 and 55% in situ moisture content. Liquid limit and plasticity index of 38.93 and 18.1 were obtained, respectively. The permeability co-efficient was found to be 2.42x10-4 cm sec-1. The optimum moisture content and maximum dry density were 17.05% and 17.1 KN m-3, respectively. The California Bearing Ratio (CBR) was 8.68% with cohesion of 3.83 KN m-2 and angle of shearing resistance of 70. Plotting the liquid limit against plasticity index in the casagrande soil and clay mineral classification, chart reveals that Igbokoda clay is a firm, closely fissured greyish illite clay of intermediate plasticity.

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How to cite this article
A.T. Oyediran and O.O. Akinkurolere, 2006. Geotechnical and Engineering Properties of Igbokoda Clay Deposit. Trends in Applied Sciences Research, 1: 654-657.

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