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Article: Combined effects of water film thickness and paste film thickness on rheology of mortar

TitleCombined effects of water film thickness and paste film thickness on rheology of mortar
Authors
KeywordsCombined effect
Concrete mix
Fine aggregates
Flowability
Paste volume
Issue Date2012
PublisherSpringer Verlag Dordrecht. The Journal's web site is located at http://www.rilem.net
Citation
Materials and Structures, 2012, v. 45 n. 9, p. 1359-1374 How to Cite?
AbstractIn the mortar portion of a concrete mix, the water must be more than sufficient to fill the voids between the solid particles of cement and fine aggregate whereas the paste volume must be more than sufficient to fill the voids between the solid particles of fine aggregate so that there will be excess water to form water films coating all the solid particles and excess paste to form paste films coating the fine aggregate particles. Hence, it may be postulated that the water film thickness (WFT) and the paste film thickness (PFT) have major effects on the rheology of mortar. In this study, the combined effects of WFT and PFT on the rheology, cohesiveness and adhesiveness of mortar were investigated by testing mortar samples with varying water, cement and aggregate contents. It was found that whilst the WFT is the single most important factor governing the rheology of mortar, the PFT also has significant effects. Particularly, the PFT has certain interesting effects on the cohesiveness and adhesiveness of mortar, which should be duly considered in mortar design. © 2012 The Author(s).
Persistent Identifierhttp://hdl.handle.net/10722/147092
ISSN
2015 Impact Factor: 2.453
2015 SCImago Journal Rankings: 1.136
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKwan, AKHen_HK
dc.contributor.authorLi, LGen_HK
dc.date.accessioned2012-05-25T07:50:36Z-
dc.date.available2012-05-25T07:50:36Z-
dc.date.issued2012en_HK
dc.identifier.citationMaterials and Structures, 2012, v. 45 n. 9, p. 1359-1374en_HK
dc.identifier.issn1359-5997en_HK
dc.identifier.urihttp://hdl.handle.net/10722/147092-
dc.description.abstractIn the mortar portion of a concrete mix, the water must be more than sufficient to fill the voids between the solid particles of cement and fine aggregate whereas the paste volume must be more than sufficient to fill the voids between the solid particles of fine aggregate so that there will be excess water to form water films coating all the solid particles and excess paste to form paste films coating the fine aggregate particles. Hence, it may be postulated that the water film thickness (WFT) and the paste film thickness (PFT) have major effects on the rheology of mortar. In this study, the combined effects of WFT and PFT on the rheology, cohesiveness and adhesiveness of mortar were investigated by testing mortar samples with varying water, cement and aggregate contents. It was found that whilst the WFT is the single most important factor governing the rheology of mortar, the PFT also has significant effects. Particularly, the PFT has certain interesting effects on the cohesiveness and adhesiveness of mortar, which should be duly considered in mortar design. © 2012 The Author(s).en_HK
dc.languageengen_US
dc.publisherSpringer Verlag Dordrecht. The Journal's web site is located at http://www.rilem.neten_HK
dc.relation.ispartofMaterials and Structuresen_HK
dc.rightsThe Author(s)en_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong Licenseen_US
dc.rightsThe original publication is available at www.springerlink.com-
dc.subjectCombined effecten_HK
dc.subjectConcrete mixen_HK
dc.subjectFine aggregatesen_HK
dc.subjectFlowabilityen_HK
dc.subjectPaste volumeen_HK
dc.titleCombined effects of water film thickness and paste film thickness on rheology of mortaren_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://www.springerlink.com/link-out/?id=2104&code=42712165136P1214&MUD=MPen_US
dc.identifier.emailKwan, AKH: khkwan@hkucc.hku.hken_HK
dc.identifier.emailLi, LG: ligu123@msn.com-
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1617/s11527-012-9837-yen_HK
dc.identifier.scopuseid_2-s2.0-84865266494en_HK
dc.identifier.hkuros206125-
dc.identifier.volume45-
dc.identifier.issue9-
dc.identifier.spage1359en_HK
dc.identifier.epage1374en_HK
dc.identifier.eissn1871-6873en_US
dc.identifier.isiWOS:000307441800009-
dc.publisher.placeNetherlandsen_HK
dc.description.otherSpringer Open Choice, 25 May 2012en_US
dc.identifier.scopusauthoridLi, LG=54942603700en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK
dc.identifier.citeulike10336404-

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