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Article: Shear capacity of high-strength concrete beams with their point of inflection within the shear span

TitleShear capacity of high-strength concrete beams with their point of inflection within the shear span
Authors
KeywordsBeams & Girders
Concrete Structures
Strength & Testing Of Materials
Issue Date1998
PublisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.structuresandbuildings.com
Citation
Proceedings Of The Institution Of Civil Engineers: Structures And Buildings, 1998, v. 128 n. 1, p. 91-99 How to Cite?
AbstractThe shear strength of concrete does not increase in proportion with the concrete grade. Thus, when high-strength concrete is used in place of normal-strength concrete, the shear capacity of the structure could become critical. In the study presented, the effect of concrete strength on the shear capacity of concrete beams was investigated. As previous research on normal-strength concrete beams has shown that the presence of an inflection point within the shear span can significantly influence the shear capacity, particular effort was made to study this influence in the case of high-strength concrete beams. The results indicate that, as the concrete strength increases, the shear capacity of the beam also increases, but the shear capacity is proportional to the cube-root rather than the square-root of the concrete compressive strength. It is also revealed that the presence of an inflection point can increase the shear capacity by as much as 100%, regardless of whether normal-strength or high-strength concrete is used. Finally, the test results were analysed by comparing them with the predicted strength values calculated using the formulae given in the various codes and Aoyagi's equation.
Persistent Identifierhttp://hdl.handle.net/10722/150318
ISSN
2015 Impact Factor: 0.429
2015 SCImago Journal Rankings: 0.323
References

 

DC FieldValueLanguage
dc.contributor.authorIslam, MSen_US
dc.contributor.authorPam, HJen_US
dc.contributor.authorKwan, AKHen_US
dc.date.accessioned2012-06-26T06:03:17Z-
dc.date.available2012-06-26T06:03:17Z-
dc.date.issued1998en_US
dc.identifier.citationProceedings Of The Institution Of Civil Engineers: Structures And Buildings, 1998, v. 128 n. 1, p. 91-99en_US
dc.identifier.issn0965-0911en_US
dc.identifier.urihttp://hdl.handle.net/10722/150318-
dc.description.abstractThe shear strength of concrete does not increase in proportion with the concrete grade. Thus, when high-strength concrete is used in place of normal-strength concrete, the shear capacity of the structure could become critical. In the study presented, the effect of concrete strength on the shear capacity of concrete beams was investigated. As previous research on normal-strength concrete beams has shown that the presence of an inflection point within the shear span can significantly influence the shear capacity, particular effort was made to study this influence in the case of high-strength concrete beams. The results indicate that, as the concrete strength increases, the shear capacity of the beam also increases, but the shear capacity is proportional to the cube-root rather than the square-root of the concrete compressive strength. It is also revealed that the presence of an inflection point can increase the shear capacity by as much as 100%, regardless of whether normal-strength or high-strength concrete is used. Finally, the test results were analysed by comparing them with the predicted strength values calculated using the formulae given in the various codes and Aoyagi's equation.en_US
dc.languageengen_US
dc.publisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.structuresandbuildings.comen_US
dc.relation.ispartofProceedings of the Institution of Civil Engineers: Structures and Buildingsen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
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.subjectBeams & Girdersen_US
dc.subjectConcrete Structuresen_US
dc.subjectStrength & Testing Of Materialsen_US
dc.titleShear capacity of high-strength concrete beams with their point of inflection within the shear spanen_US
dc.typeArticleen_US
dc.identifier.emailPam, HJ: pamhoatjoen@hku.hken_US
dc.identifier.emailKwan, AKH: khkwan@hkucc.hku.hken_US
dc.identifier.authorityPam, HJ=rp00071en_US
dc.identifier.authorityKwan, AKH=rp00127en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1680/istbu.1998.30038-
dc.identifier.scopuseid_2-s2.0-2442632093en_US
dc.identifier.hkuros34250-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2442632093&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume128en_US
dc.identifier.issue1en_US
dc.identifier.spage91en_US
dc.identifier.epage99en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridIslam, MS=7403693435en_US
dc.identifier.scopusauthoridPam, HJ=6602976141en_US
dc.identifier.scopusauthoridKwan, AKH=7101738204en_US

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