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Article: Concurrent flexural strength and deformability design of high-performance concrete beams

TitleConcurrent flexural strength and deformability design of high-performance concrete beams
Authors
KeywordsBeams
Curvature
Deformability
High-Strength Concrete
Reinforced Concrete
Rotation Capacity
Issue Date2011
PublisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5
Citation
Structural Engineering And Mechanics, 2011, v. 40 n. 4, p. 541-562 How to Cite?
AbstractIn the design of earthquake resistant reinforced concrete (RC) structures, both flexural strength and deformability need to be considered. However, in almost all existing RC design codes, the design of flexural strength and deformability of RC beams are separated and independent on each other. Therefore, the pros and cons of using high-performance materials on the flexural performance of RC beams are not revealed. From the theoretical results obtained in a previous study on flexural deformability of RC beams, it is seen that the critical design factors such as degree of reinforcement, concrete/steel yield strength and confining pressure would simultaneously affect the flexural strength and deformability. To study the effects of these factors, the previous theoretical results are presented in various charts plotting flexural strength against deformability. Using these charts, a "concurrent flexural strength and deformability design" that would allow structural engineers to consider simultaneously both strength and deformability requirements is developed. For application in real construction practice where concrete strength is usually prescribed, a simpler method of determining the maximum and minimum limits of degree of reinforcement for a particular pair of strength and deformability demand is proposed. Numerical examples are presented to illustrate the application of both design methods.
Persistent Identifierhttp://hdl.handle.net/10722/150621
ISSN
2015 Impact Factor: 1.021
2015 SCImago Journal Rankings: 0.450
References

 

DC FieldValueLanguage
dc.contributor.authorHo, JCMen_US
dc.contributor.authorZhoua, KJHen_US
dc.date.accessioned2012-06-26T06:06:11Z-
dc.date.available2012-06-26T06:06:11Z-
dc.date.issued2011en_US
dc.identifier.citationStructural Engineering And Mechanics, 2011, v. 40 n. 4, p. 541-562en_US
dc.identifier.issn1225-4568en_US
dc.identifier.urihttp://hdl.handle.net/10722/150621-
dc.description.abstractIn the design of earthquake resistant reinforced concrete (RC) structures, both flexural strength and deformability need to be considered. However, in almost all existing RC design codes, the design of flexural strength and deformability of RC beams are separated and independent on each other. Therefore, the pros and cons of using high-performance materials on the flexural performance of RC beams are not revealed. From the theoretical results obtained in a previous study on flexural deformability of RC beams, it is seen that the critical design factors such as degree of reinforcement, concrete/steel yield strength and confining pressure would simultaneously affect the flexural strength and deformability. To study the effects of these factors, the previous theoretical results are presented in various charts plotting flexural strength against deformability. Using these charts, a "concurrent flexural strength and deformability design" that would allow structural engineers to consider simultaneously both strength and deformability requirements is developed. For application in real construction practice where concrete strength is usually prescribed, a simpler method of determining the maximum and minimum limits of degree of reinforcement for a particular pair of strength and deformability demand is proposed. Numerical examples are presented to illustrate the application of both design methods.en_US
dc.languageengen_US
dc.publisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5en_US
dc.relation.ispartofStructural Engineering and Mechanicsen_US
dc.subjectBeamsen_US
dc.subjectCurvatureen_US
dc.subjectDeformabilityen_US
dc.subjectHigh-Strength Concreteen_US
dc.subjectReinforced Concreteen_US
dc.subjectRotation Capacityen_US
dc.titleConcurrent flexural strength and deformability design of high-performance concrete beamsen_US
dc.typeArticleen_US
dc.identifier.emailHo, JCM:johnny.ho@hku.hken_US
dc.identifier.authorityHo, JCM=rp00070en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-80755185200en_US
dc.identifier.hkuros204886-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80755185200&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume40en_US
dc.identifier.issue4en_US
dc.identifier.spage541en_US
dc.identifier.epage562en_US
dc.publisher.placeKorea, Republic ofen_US
dc.identifier.scopusauthoridHo, JCM=24831880500en_US
dc.identifier.scopusauthoridZhoua, KJH=54384366700en_US

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