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Effects of Partial Replacement of Sand with Lateritic Soil in Sandcrete Blocks

Joshua, Opeyemi and Amusan, L. M. and Fagbenle, Olabosipo I. and Kukoyi, P. O. (2014) Effects of Partial Replacement of Sand with Lateritic Soil in Sandcrete Blocks. Covenant Journal of Research in the Built Environment (CJRBE) , 1 (2). pp. 91-102.

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Abstract

Of recent, the attention of most researchers is shifting towards the optimization of building materials by using local contents; the use of indigenous materials; and local industrial by-products unique and abundant in certain localities. This study therefore explored ways in which lateritic soil could be utilised in hollow sandcrete block production in Ota, Ogun State, Nigeria. Sandcrete blocks were made with lateritic soil taken from different sources replacing the conventional fine aggregate (local river sand) in steps of 10% up to 60%. Their compressive strengths determined to check for conformity with standard sandcrete block as specified in the Nigerian National Building Code (2006) with a view to determine the acceptable percentage replacement. Soil tests were performed on the lateritic soil samples to characterise the soils. Classification of the lateritic soil samples within Ota, revealed that the lateritic soils are mostly sandy clay of high plasticity and may replace sand by up to 20%, though an approximate linear decrease in strength with increasing sand replacement with lateritic soil was observed. This percentage replacement can be recommended to the block making industries within Ota with a view to encouraging utilization, though it is encouraged to confirm the percentage before embarking on mass block production

Item Type: Article
Uncontrolled Keywords: Laterised blocks, Laterite, Sandcrete blocks, Soilcrete and Lateritic soil.
Subjects: T Technology > TH Building construction
Divisions: Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Depositing User: Mr Solomon Bayoko
Date Deposited: 02 Jan 2015 09:40
Last Modified: 02 Jan 2015 09:40
URI: http://eprints.covenantuniversity.edu.ng/id/eprint/3201

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