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Article: Passing ability and segregation stability of self-consolidating concrete with different aggregate proportions

TitlePassing ability and segregation stability of self-consolidating concrete with different aggregate proportions
Authors
Issue Date2006
PublisherThomas Telford Ltd. The Journal's web site is located at http://www.concrete-research.com
Citation
Magazine Of Concrete Research, 2006, v. 58 n. 7, p. 447-457 How to Cite?
AbstractAn extensive experimental programme has been carried out to study the effects of fine:10 mm:20 mm aggregate proportions on the passing ability and segregation stability of self-consolidating concrete, A total of 18 trial concrete mixes with water/cementitious materials ratios ranging from 0-30 to 0-36 and different combinations of fine and coarse aggregates were produced. In each mix, the paste volume was set at 35%, and pulverised fuel ash, condensed silica fume and a third-generation superplasticiser were added at dosages of 25%, 5% and 3% respectively. All the mixes were tested to have slump flow well above 700 mm. However, not all have satisfactory passing ability and segregation stability, as revealed by J-ring, U-box and sieve segregation tests. The cohesiveness and coarse aggregate content appeared to be the major factors as the passing ability and segregation stability were generally better for mixes with higher cohesiveness and lower coarse aggregate content. Nevertheless, some of the mixes may be considered for making high-strength, self-consolidating concrete. They have the common characteristics of 20mm aggregate content ≤ 10 mm aggregate content and coarse aggregate content ≤ fine aggregate content. © 2006 Thomas Telford Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/150368
ISSN
2015 Impact Factor: 1.227
2015 SCImago Journal Rankings: 0.955
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNg, IYTen_HK
dc.contributor.authorWong, HHCen_HK
dc.contributor.authorKwan, AKHen_HK
dc.date.accessioned2012-06-26T06:03:55Z-
dc.date.available2012-06-26T06:03:55Z-
dc.date.issued2006en_HK
dc.identifier.citationMagazine Of Concrete Research, 2006, v. 58 n. 7, p. 447-457en_HK
dc.identifier.issn0024-9831en_HK
dc.identifier.urihttp://hdl.handle.net/10722/150368-
dc.description.abstractAn extensive experimental programme has been carried out to study the effects of fine:10 mm:20 mm aggregate proportions on the passing ability and segregation stability of self-consolidating concrete, A total of 18 trial concrete mixes with water/cementitious materials ratios ranging from 0-30 to 0-36 and different combinations of fine and coarse aggregates were produced. In each mix, the paste volume was set at 35%, and pulverised fuel ash, condensed silica fume and a third-generation superplasticiser were added at dosages of 25%, 5% and 3% respectively. All the mixes were tested to have slump flow well above 700 mm. However, not all have satisfactory passing ability and segregation stability, as revealed by J-ring, U-box and sieve segregation tests. The cohesiveness and coarse aggregate content appeared to be the major factors as the passing ability and segregation stability were generally better for mixes with higher cohesiveness and lower coarse aggregate content. Nevertheless, some of the mixes may be considered for making high-strength, self-consolidating concrete. They have the common characteristics of 20mm aggregate content ≤ 10 mm aggregate content and coarse aggregate content ≤ fine aggregate content. © 2006 Thomas Telford Ltd.en_HK
dc.languageengen_US
dc.publisherThomas Telford Ltd. The Journal's web site is located at http://www.concrete-research.comen_HK
dc.relation.ispartofMagazine of Concrete Researchen_HK
dc.titlePassing ability and segregation stability of self-consolidating concrete with different aggregate proportionsen_HK
dc.typeArticleen_HK
dc.identifier.emailNg, IYT: ivanytng@graduate.hku.hken_HK
dc.identifier.emailKwan, AKH: khkwan@hkucc.hku.hken_HK
dc.identifier.authorityNg, IYT=rp00156en_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1680/macr.2006.58.7.447en_HK
dc.identifier.scopuseid_2-s2.0-33748323139en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748323139&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume58en_HK
dc.identifier.issue7en_HK
dc.identifier.spage447en_HK
dc.identifier.epage457en_HK
dc.identifier.isiWOS:000240030300004-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridNg, IYT=12243904600en_HK
dc.identifier.scopusauthoridWong, HHC=14421608900en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK

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