Utilization of Marble as a Stabilizer of Lateritic Soil for Pavement Works in Southwestern Nigeria

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dc.contributor.authorAdedoyin, Yusuf, I.T. A. D.
dc.contributor.authorAlebiosu, David, O.O M.T.
dc.contributor.authorAgbaje, Babalola, F.M. M.O.
dc.date.accessioned2018-10-05T10:40:23Z
dc.date.available2018-10-05T10:40:23Z
dc.date.issued2017
dc.description.abstractThe increasing cost of traditional stabilizing agents and the need for the economical utilization of alternative materials for beneficial engineering purposes requires an investigation into the stabilizing potential of marble for the stabilization poor lateritic soils, to improve their geotechnical properties for pavement works. A lateritic soil classified as A-2-6(0) according to AASHTO classification system was treated with 0 – 6% (2% increment) proportions of crushed marble by dry weight of soil. A total of ten samples of laterite, five samples each, were collected from burrow pits in Oyun and University of Ilorin campus, Ilorin, Kwara State, Central Nigeria. The samples were mixed with marble in various proportions, and subjected to Compaction and California Bearing Ratio (CBR) tests. It was observed that the Maximum Dry Density (MDD) at 0, 2, 4 and 6% marble content were 2.0, 2.1, 1.9 and 2.0 g/cm3, respectively and the Optimum Moisture Content (OMC) were 14.5, 10.5, 13.5 and 15% for the laterite sample at Oyun. The corresponding values of MDD and OMC for the sample at the University of Ilorin Campus were 1.65, 1.83, 1.69 and 1.87g/cm3 and 20, 17, 21 and 12%, respectively. Results show that, for all marble contents, the unsoaked and soaked CBR values increased with increase in marble content from 0-2%, and decreased for further increase in marble content up to 6%. Also, the CBR for both the unsoaked and soaked conditions reached maximum values at 2% marble content, indicating that the optimum content of marble required to stabilize an A-2-6(0) lateritic soil is 2%. The soaked CBR values of %0 and 47% obtained, respectively for unsoaked and soaked conditions for the sample at Oyun, which are greater than 30% imply that 2% marble content is Adedoyin USEP: Journal of Research Information in Civil Engineering, Vol.14,No.2, 2017 et al 1593 suitable for stabilizing lateritic soil for the production of subbase course in pavement works.en_US
dc.description.sponsorshipSelfen_US
dc.identifier.urihttp://hdl.handle.net/123456789/1220
dc.language.isoenen_US
dc.publisherUSEP: Journal of Research Information in Civil Engineeringen_US
dc.subjectStabilizeren_US
dc.subjectmarbleen_US
dc.subjectlateritic soilen_US
dc.subjectmaximum dry densityen_US
dc.subjectoptimum moisture contenten_US
dc.subjectcalifornia bearing ratioen_US
dc.titleUtilization of Marble as a Stabilizer of Lateritic Soil for Pavement Works in Southwestern Nigeriaen_US
dc.typeArticleen_US

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