Self-Consolidating Concretes Made with Cold-Bonded Fly Ash Lightweight Aggregates

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dc.authoridHamah Sor, Nadhim/0000-0001-7349-5540
dc.authoridGuneyisi, Erhan/0000-0003-2666-2769
dc.contributor.authorOz, Hatice Oznur
dc.contributor.authorGesoglu, Mehmet
dc.contributor.authorGuneyisi, Erhan
dc.contributor.authorSor, Nadhim Hamah
dc.date.accessioned2024-11-07T13:24:55Z
dc.date.available2024-11-07T13:24:55Z
dc.date.issued2017
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractAn experimental program was conducted to investigate the mechanical, fracture, and physical properties of self-consolidating lightweight concretes (SCLCs) made with cold-bonded fly ash (FA) aggregates. A total of 17 SCLCs were designed with a water-binder ratio (w/b) of 0.32, in which the natural aggregates were partially replaced with cold-bonded lightweight fine aggregate (LWFA) and lightweight coarse aggregate (LWCA) at different volume fractions of 10, 20, 30, 40, and 50%. Hardened properties of the SCLCs were tested for bond strength, fracture energy, characteristic length, drying shrinkage, weight loss, and restrained shrinkage cracking. It was observed that the SCLCs had relatively lower compressive and splitting tensile strengths with increasing LWFA and/or LWCA in the mixtures. Bond strength of the SCLCs decreased gradually with the replacement level of LWA because the bond strength directly depended on the quality of the cement paste and aggregate. Although SCLCs had significantly poorer restrained shrinkage cracking performance than the control concrete, the time to cracking greatly lengthened as the replacement level of LWA increased.
dc.identifier.doi10.14359/51689606
dc.identifier.endpage395
dc.identifier.issn0889-325X
dc.identifier.issn1944-737X
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85019719008
dc.identifier.scopusqualityQ2
dc.identifier.startpage385
dc.identifier.urihttps://doi.org/10.14359/51689606
dc.identifier.urihttps://hdl.handle.net/11480/14395
dc.identifier.volume114
dc.identifier.wosWOS:000401926100005
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAmer Concrete Inst
dc.relation.ispartofAci Materials Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectfracture
dc.subjecthardened properties
dc.subjectlightweight aggregate
dc.subjectpelletization method
dc.subjectself-consolidating lightweight-aggregate concrete
dc.titleSelf-Consolidating Concretes Made with Cold-Bonded Fly Ash Lightweight Aggregates
dc.typeArticle

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