Ameliorating effect of milled eggshell on cement stabilized lateritic soil for highway construction

Oluwatuyi, Opeyemi E. and Adeola, Bamidele O. and Alhassan, Elijah A. and Nnochiri, E. S. and Modupe, A. E. and Elemile, Olugbenga O. and Obayanju, T. and Akerele, Grace (2018) Ameliorating effect of milled eggshell on cement stabilized lateritic soil for highway construction. Case Studies in Construction Materials, 9. ISSN 2214-5095

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Abstract

This cases tudyoutlinedtheoutcomesfromthelaboratoryassessmentofalateriticsoilstabilizedwithmilledeggshell,cementandmixtureofbothinratio1:1forpotentialuseasahighwayconstructionmaterial.Thestabilizingbinderswereaddedtothesoilatvaryingpercentagesof0,2,4,6,and8%byweightofthesoilandafterwardssubjectedtovariouslaboratoryteststodetermineitsamelioratingeffect.ThetestresultsshowedthatbothunsoakedandsoakedCaliforniabearingratio(CBR)valuesincreasedwithhigherstabilizingbindercontent.Theunconfinedcompressivestrength(UCS)valuesjustliketheCBRvaluesalsoincreasedwithhigherstabilizingbindercontent.The8%milledeggshellandcementstabilizedsamplesrecordedpeakUCSvalueof760.7kN/m2,unsoakedCBRvalueof87%andsoakedCBRvalueof45%.ThispeakUCSvaluemettheconditionbyNigerianGeneralSpecificationsforhighwaysof750–1500kN/m2foruseassubbasematerialforlighttraffickedhighways.ThemicrostructuralanalysisgaveapossibleexplanationforanincreaseinthestrengthanddecreaseinAtterberglimitofstabilizedsamples.Thedurabilityofsomestabilizedsoilsampleswassatisfactory,thepercentageresistancetolossinstrengthwasnotbelowtherecommendedmaximumof80%.An8%bysoilweightofmilledeggshellandcementmixtureinratio1:1stabilizedlateriticsoilcouldbeusedasapotentialsubbasematerialforhighwayconstruction.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Depositing User: Mr DIGITAL CONTENT CREATOR LMU
Date Deposited: 25 Sep 2019 15:29
Last Modified: 25 Sep 2019 15:29
URI: https://eprints.lmu.edu.ng/id/eprint/2408

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