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Article: Water film thickness, flowability and rheology of cement-sand mortar

TitleWater film thickness, flowability and rheology of cement-sand mortar
Authors
Issue Date2010
PublisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.cement-research.com
Citation
Advances in Cement Research, 2010, v. 22 n. 1, p. 3-14 How to Cite?
AbstractIt is well known that the fresh properties of cement paste and cement-sand mortar are governed mainly by three parameters: water content, packing density and solid surface area. However, these parameters vary simultaneously upon any change in the mix composition and hence the evaluation of their individual and combined effects has been a difficult task. Recently, the authors have found that the effects of these parameters on the flowability and rheological properties of cement paste may be evaluated in terms of the water film thickness (WFT) of the solid-water mixture. Herein, this concept of WFT is extended to cement-sand mortar made of sand with a maximum size of 1.18 mm. A number of mortar samples proportioned with different water contents and different sand gradings were produced for packing density, flowability and rheological properties measurements. From the results, the WFT of each sample was determined and the effects of the WFT on the flowability and rheological properties of the mortar were investigated. The good correlations between the flowability and rheological properties with the WFT revealed that the concept of WFT is applicable also to cement-sand mortar. © 2010 Thomas Telford Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/124553
ISSN
2015 Impact Factor: 0.949
2015 SCImago Journal Rankings: 0.692
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKwan, AKHen_HK
dc.contributor.authorFung, WWSen_HK
dc.contributor.authorWong, HHCen_HK
dc.date.accessioned2010-10-31T10:40:59Z-
dc.date.available2010-10-31T10:40:59Z-
dc.date.issued2010en_HK
dc.identifier.citationAdvances in Cement Research, 2010, v. 22 n. 1, p. 3-14en_HK
dc.identifier.issn0951-7197en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124553-
dc.description.abstractIt is well known that the fresh properties of cement paste and cement-sand mortar are governed mainly by three parameters: water content, packing density and solid surface area. However, these parameters vary simultaneously upon any change in the mix composition and hence the evaluation of their individual and combined effects has been a difficult task. Recently, the authors have found that the effects of these parameters on the flowability and rheological properties of cement paste may be evaluated in terms of the water film thickness (WFT) of the solid-water mixture. Herein, this concept of WFT is extended to cement-sand mortar made of sand with a maximum size of 1.18 mm. A number of mortar samples proportioned with different water contents and different sand gradings were produced for packing density, flowability and rheological properties measurements. From the results, the WFT of each sample was determined and the effects of the WFT on the flowability and rheological properties of the mortar were investigated. The good correlations between the flowability and rheological properties with the WFT revealed that the concept of WFT is applicable also to cement-sand mortar. © 2010 Thomas Telford Ltd.en_HK
dc.languageengen_HK
dc.publisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.cement-research.comen_HK
dc.relation.ispartofAdvances in Cement Researchen_HK
dc.rightsPermission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleWater film thickness, flowability and rheology of cement-sand mortaren_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0951-7197&volume=22&issue=1&spage=3&epage=14&date=2010&atitle=Water+film+thickness,+flowability+and+rheology+of+cement-sand+mortaren_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1680/adcr.2008.22.1.3en_HK
dc.identifier.scopuseid_2-s2.0-77249157881en_HK
dc.identifier.hkuros180706en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77249157881&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume22en_HK
dc.identifier.issue1en_HK
dc.identifier.spage3en_HK
dc.identifier.epage14en_HK
dc.identifier.isiWOS:000274305200002-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK
dc.identifier.scopusauthoridFung, WWS=36091084700en_HK
dc.identifier.scopusauthoridWong, HHC=14421608900en_HK

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