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dc.creatorAwoyera, Paul
dc.creatorAwobayikun, Oyinkansola
dc.creatorGobinath, Ravindran
dc.creatoramelec, viloria
dc.creatorUgwu, Emmanuel I.
dc.date.accessioned2020-07-04T17:40:25Z
dc.date.available2020-07-04T17:40:25Z
dc.date.issued2020
dc.identifier.urihttps://hdl.handle.net/11323/6458
dc.description.abstractVarious national and international standards recommend potable water for mixing concrete; however, the availability of potable water is virtually a daunting task in some developing communities. Concrete workers in such environments tend to utilize any available water for mixing concrete, and this may be detrimental to the quality of the concrete being produced. This study investigates the rheological, mineralogical and strength variability of concrete due to construction water impurities. Water samples were collected from four different construction sites within Southwestern region of Nigeria for production of concrete. The physical and chemical properties of the waters were determined so as to measure their rate of contamination, prior to their use for mixing concrete. The rheological properties of the fresh concrete, compressive strength, split tensile strength, and microscale features of hardened concrete, that were produced with each water sample were determined. From the results, the rheological features of concrete were found not to be affected by water impurities, however, the mechanical test results revealed about 10% reduction in strength between concrete made with water having least and higher concentration of impurities. Also, it was evident from the microscale tests that the water impurities do alter the hydration rate of concrete, which results in strength reduction. The study suggests pretreatment of concrete mixing water before use in order to avoid its damaging effect on concrete life.spa
dc.description.sponsorshipDepartment of Civil Engineering, Covenant University, Ota, Nigeria; Centre for Construction Methods and Materials, S R Engineering College, Warangal, India; Universidad Peruana de Ciencias Aplicadas, Lima, Peru; Department of Civil Engineering, Michael Okpara University of Agriculture, Umuahia, Nigeriaspa
dc.language.isoengspa
dc.rightsAttribution-NonCommercial-ShareAlike 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/*
dc.subjectConcrete Mixingspa
dc.subjectHydrationspa
dc.subjectMineralogyspa
dc.subjectMorphologyspa
dc.subjectRheologyspa
dc.subjectStrengthspa
dc.subjectWaterspa
dc.titleRheological, Mineralogical and Strength Variability of Concrete Due to Construction Water Impuritiesspa
dc.title.alternativeVariabilidad reológica, mineralógica y de resistencia del hormigón debido a impurezas del agua de construcciónspa
dc.typeArticlespa
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dc.type.hasVersioninfo:eu-repo/semantics/submittedVersionspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa


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