The use of concrete wastes as a limestone replacement in limestone-blended cement production

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dc.authoridTopcu, Ilker Bekir / 0000-0002-2075-6361
dc.authorwosidTopcu, Ilker Bekir / J-1814-2012
dc.contributor.authorTopcu, Ilker B.
dc.contributor.authorBaylavli, Hasan
dc.date.accessioned2021-11-01T15:02:03Z
dc.date.available2021-11-01T15:02:03Z
dc.date.issued2019
dc.department[Belirlenecek]
dc.description.abstractThe limestone used in CEM II B-L type cement production is routinely taken from nature by quarrying natural limestone resources which results environmental damage. This causes an ecological imbalance in the regions. To mitigate environmental damage caused by such quarrying, this study investigated the use of concrete wastes in cement. Experimental studies were carried out especially for their use in limestone-blended cement production. For this purpose, concrete samples (150x150x150 mm) with an average compressive strength of 65 MPa were milled after compression tests. Milled concrete wastes were used instead of a limestone additive in CEM II B-L type cement production. Their chemical and physical properties were investigated according to related cement standards. In addition, X-Ray diffraction analysis of cements was performed for the purpose of comparison. Mechanical performances of cements were evaluated at 2, 7 and 28 days under three-point flexural and compressive tests. The use of waste concrete as a limestone additive up to a 10% replacement ratio increased the flexural strength by 8%. The use of waste concrete up to 5% as a limestone additive also increased the compressive strength by 15, 8, and 9% at 2, 7 and 28 days, respectively. In conclusion, waste concretes can be successfully used instead of a limestone additive in CEM II B-L type cement production, thereby reducing environmental damaged caused by quarrying.
dc.identifier.endpage73en_US
dc.identifier.issn2307-4108
dc.identifier.issn2307-4116
dc.identifier.issue2en_US
dc.identifier.startpage67en_US
dc.identifier.urihttps://hdl.handle.net/11491/6821
dc.identifier.volume46en_US
dc.identifier.wosWOS:000464010600009
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.institutionauthor[Belirlenecek]
dc.language.isoen
dc.publisherAcademic Publication Council
dc.relation.ispartofKuwait Journal Of Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectCement productionen_US
dc.subjectconcrete wasteen_US
dc.subjectphysical and chemical propertiesen_US
dc.subjectstrengthen_US
dc.titleThe use of concrete wastes as a limestone replacement in limestone-blended cement production
dc.typeArticle

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