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Article: Packing density of cementitious materials: Part 1-measurement using a wet packing method

TitlePacking density of cementitious materials: Part 1-measurement using a wet packing method
Authors
KeywordsCementitious materials
Consistence
Packing density
Water demand
Issue Date2008
PublisherSpringer Verlag Dordrecht. The Journal's web site is located at http://www.rilem.net
Citation
Materials And Structures/Materiaux Et Constructions, 2008, v. 41 n. 4, p. 689-701 How to Cite?
AbstractThe packing characteristics of the cementitious materials have great influence on the performance of a concrete mix, but there is so far no generally accepted method of measurement. Herein, a new method, called the wet packing method, is developed. It mixes the cementitious materials with water and then measures the apparent density and voids content of the resulting mixture at varying water/cementitious materials ratio to characterise the packing behaviour of the cementitious materials. Trial mixing and testing revealed that the mixing procedure is crucial to the success of the test method. To ensure thorough mixing within a reasonable time, a special mixing procedure is adopted. Using this method, the packing characteristics of pure cement and blended cementitious materials under different conditions have been measured. Based on the results so obtained, it is advocated that the packing density and water demand should be measured directly using a wet packing method rather than indirectly by any consistence test because the water content at any preset consistence is not necessarily the same as the minimum water content needed to fill up the voids. Some useful applications of the new method are illustrated in Part 2 of this paper. © 2007 RILEM has copyright.
Persistent Identifierhttp://hdl.handle.net/10722/70878
ISSN
2015 Impact Factor: 2.453
2015 SCImago Journal Rankings: 1.136
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWong, HHCen_HK
dc.contributor.authorKwan, AKHen_HK
dc.date.accessioned2010-09-06T06:26:55Z-
dc.date.available2010-09-06T06:26:55Z-
dc.date.issued2008en_HK
dc.identifier.citationMaterials And Structures/Materiaux Et Constructions, 2008, v. 41 n. 4, p. 689-701en_HK
dc.identifier.issn1359-5997en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70878-
dc.description.abstractThe packing characteristics of the cementitious materials have great influence on the performance of a concrete mix, but there is so far no generally accepted method of measurement. Herein, a new method, called the wet packing method, is developed. It mixes the cementitious materials with water and then measures the apparent density and voids content of the resulting mixture at varying water/cementitious materials ratio to characterise the packing behaviour of the cementitious materials. Trial mixing and testing revealed that the mixing procedure is crucial to the success of the test method. To ensure thorough mixing within a reasonable time, a special mixing procedure is adopted. Using this method, the packing characteristics of pure cement and blended cementitious materials under different conditions have been measured. Based on the results so obtained, it is advocated that the packing density and water demand should be measured directly using a wet packing method rather than indirectly by any consistence test because the water content at any preset consistence is not necessarily the same as the minimum water content needed to fill up the voids. Some useful applications of the new method are illustrated in Part 2 of this paper. © 2007 RILEM has copyright.en_HK
dc.languageengen_HK
dc.publisherSpringer Verlag Dordrecht. The Journal's web site is located at http://www.rilem.neten_HK
dc.relation.ispartofMaterials and Structures/Materiaux et Constructionsen_HK
dc.rightsThe original publication is available at www.springerlink.com-
dc.subjectCementitious materialsen_HK
dc.subjectConsistenceen_HK
dc.subjectPacking densityen_HK
dc.subjectWater demanden_HK
dc.titlePacking density of cementitious materials: Part 1-measurement using a wet packing methoden_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1359-5997&volume=41&issue=4&spage=689&epage=701&date=2008&atitle=Packing+density+of+cementitious+materials:+part+1+-+measurement+using+a+wet+packing+methoden_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1617/s11527-007-9274-5en_HK
dc.identifier.scopuseid_2-s2.0-42449154732en_HK
dc.identifier.hkuros152083en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-42449154732&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume41en_HK
dc.identifier.issue4en_HK
dc.identifier.spage689en_HK
dc.identifier.epage701en_HK
dc.identifier.eissn1871-6873-
dc.identifier.isiWOS:000255033800007-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridWong, HHC=14421608900en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK

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