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Article: Packing density measurement and modelling of fine aggregate and mortar

TitlePacking density measurement and modelling of fine aggregate and mortar
Authors
KeywordsFine aggregate
Mortar
Packing density
Packing models
Issue Date2009
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/cemconcomp
Citation
Cement And Concrete Composites, 2009, v. 31 n. 6, p. 349-357 How to Cite?
AbstractA newly developed wet packing method has been applied to measure the packing densities of blended fine aggregates (each a mixture of fine aggregates of different sizes) and mortars (each a mixture of cement and blended fine aggregate) under the wet condition, with or without superplasticizer added, and with or without compaction applied. For the blended fine aggregates, the conventional dry packing method has also been employed to measure their packing densities under the dry condition and the results show that the packing density of fine aggregate is generally higher under wet condition than under dry condition. For both the blended fine aggregates and mortars, the measured packing densities have been compared to the predicted packing densities by two existing packing models. Good agreement between the measured and predicted packing densities has been achieved with the mean absolute error being 2.1% for the blended aggregates and 1.1% for the mortars. This is the first time that the packing densities of mortar samples are directly measured and compared to predictions by packing models to verify the applicability of the wet packing method and the packing models. © 2009 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/124560
ISSN
2015 Impact Factor: 3.399
2015 SCImago Journal Rankings: 3.017
ISI Accession Number ID
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administrative Region, ChinaHKU 7139/05E
Funding Information:

The work described in this paper was fully supported by a grant from the Research Grants Council of the Hong Kong Special Administrative Region, China (Project No. HKU 7139/05E).

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorKwan, AKHen_HK
dc.contributor.authorFung, WWSen_HK
dc.date.accessioned2010-10-31T10:41:22Z-
dc.date.available2010-10-31T10:41:22Z-
dc.date.issued2009en_HK
dc.identifier.citationCement And Concrete Composites, 2009, v. 31 n. 6, p. 349-357en_HK
dc.identifier.issn0958-9465en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124560-
dc.description.abstractA newly developed wet packing method has been applied to measure the packing densities of blended fine aggregates (each a mixture of fine aggregates of different sizes) and mortars (each a mixture of cement and blended fine aggregate) under the wet condition, with or without superplasticizer added, and with or without compaction applied. For the blended fine aggregates, the conventional dry packing method has also been employed to measure their packing densities under the dry condition and the results show that the packing density of fine aggregate is generally higher under wet condition than under dry condition. For both the blended fine aggregates and mortars, the measured packing densities have been compared to the predicted packing densities by two existing packing models. Good agreement between the measured and predicted packing densities has been achieved with the mean absolute error being 2.1% for the blended aggregates and 1.1% for the mortars. This is the first time that the packing densities of mortar samples are directly measured and compared to predictions by packing models to verify the applicability of the wet packing method and the packing models. © 2009 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/cemconcompen_HK
dc.relation.ispartofCement and Concrete Compositesen_HK
dc.subjectFine aggregateen_HK
dc.subjectMortaren_HK
dc.subjectPacking densityen_HK
dc.subjectPacking modelsen_HK
dc.titlePacking density measurement and modelling of fine aggregate and mortaren_HK
dc.typeArticleen_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.cemconcomp.2009.03.006en_HK
dc.identifier.scopuseid_2-s2.0-67349114807en_HK
dc.identifier.hkuros180872en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-67349114807&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume31en_HK
dc.identifier.issue6en_HK
dc.identifier.spage349en_HK
dc.identifier.epage357en_HK
dc.identifier.isiWOS:000267412400001-
dc.publisher.placeUnited Kingdomen_HK
dc.relation.projectOptimizing packing density for production of high-performance concrete-
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK
dc.identifier.scopusauthoridFung, WWS=36091084700en_HK
dc.identifier.citeulike5344613-

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