Please use this identifier to cite or link to this item: https://doi.org/10.1680/macr.2007.59.5.367
DC FieldValue
dc.titleWorkability of air-entrained lightweight concrete from rheology perspective
dc.contributor.authorChia, K.-S.
dc.contributor.authorZhang, M.-H.
dc.date.accessioned2014-06-17T08:27:57Z
dc.date.available2014-06-17T08:27:57Z
dc.date.issued2007-06
dc.identifier.citationChia, K.-S., Zhang, M.-H. (2007-06). Workability of air-entrained lightweight concrete from rheology perspective. Magazine of Concrete Research 59 (5) : 367-375. ScholarBank@NUS Repository. https://doi.org/10.1680/macr.2007.59.5.367
dc.identifier.issn00249831
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/66420
dc.description.abstractEffects of air entrainment on rheological parameters and slump of fresh lightweight aggregate concrete were studied. Results show that yield stress and plastic viscosity of air-entrained concrete were lower than those of non-air-entrained concrete with similar superplasticiser dosage. As the entrained-air content increased, the plastic viscosity decreased whereas the yield stress remained relatively unchanged. The slump of the air-entrained concrete was significantly higher than the non-air-entrained concrete. At similar yield stress, the slump of the air-entrained concrete was higher owing to its lower plastic viscosity by air entrainment. At similar slump, the air-entrained concrete had higher yield stress and lower plastic viscosity, implying that higher shear stress is needed to initiate flow but flow resistance would be lower.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1680/macr.2007.59.5.367
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCIVIL ENGINEERING
dc.description.doi10.1680/macr.2007.59.5.367
dc.description.sourcetitleMagazine of Concrete Research
dc.description.volume59
dc.description.issue5
dc.description.page367-375
dc.description.codenMCORA
dc.identifier.isiut000246248600006
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