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Conference Paper: Flexural strength and deformability design of reinforced concrete beams

TitleFlexural strength and deformability design of reinforced concrete beams
Authors
KeywordsBeam
Degree Of Reinforcement
Flexural Deformability
Flexural Strength
High-Strength Concrete
High-Strength Steel
Issue Date2011
Citation
The 12th East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-12), Hong Kong, China, 26-28 January 2011. In Procedia Engineering, 2011, v. 14, p. 1399-1407 How to Cite?
AbstractIn the flexural design of reinforced concrete (RC) beams, the strength and deformability, which are interrelated, need to be considered simultaneously. However, in current design codes, design of strength is separated with deformability, and evaluation of deformability is independent of some key parameters, like concrete strength, steel yield strength and confinement content. Hence, provisions in current design codes may not provide sufficient deformability for beams, especially when high-strength concrete (HSC) and/or high-strength steel (HSS) are used. In this paper, influences of key factors, including the degree of reinforcement, concrete strength, steel yield strength, compression steel ratio, and confining pressure, are studied based on a theoretical method. An empirical formula for direct evaluation of deformability is proposed. Interrelation between the strength and deformability are plotted in charts. Based on the empirical formula and charts, a new method of beam design called "concurrent flexural strength and deformability design" that would allow both strength and deformability requirements to be considered simultaneously is developed. The method provides engineers with flexibility of using high-strength concrete, adding compression steel or adding confinement to increase deformability of RC beams.
DescriptionProcedia Engineering v.14 is conference proceedings of the 12th East Asia-Pacific Conference on Structural Engineering and Construction (EASEC12)
Session - S02:CC2: Computing Applications in Civil Engineering II: EASEC12‐138
Persistent Identifierhttp://hdl.handle.net/10722/152173
ISSN
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhou, KJHen_US
dc.contributor.authorHo, JCMen_US
dc.contributor.authorSu, RKLen_US
dc.date.accessioned2012-06-26T06:35:47Z-
dc.date.available2012-06-26T06:35:47Z-
dc.date.issued2011en_US
dc.identifier.citationThe 12th East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-12), Hong Kong, China, 26-28 January 2011. In Procedia Engineering, 2011, v. 14, p. 1399-1407en_US
dc.identifier.issn1877-7058en_US
dc.identifier.urihttp://hdl.handle.net/10722/152173-
dc.descriptionProcedia Engineering v.14 is conference proceedings of the 12th East Asia-Pacific Conference on Structural Engineering and Construction (EASEC12)-
dc.descriptionSession - S02:CC2: Computing Applications in Civil Engineering II: EASEC12‐138-
dc.description.abstractIn the flexural design of reinforced concrete (RC) beams, the strength and deformability, which are interrelated, need to be considered simultaneously. However, in current design codes, design of strength is separated with deformability, and evaluation of deformability is independent of some key parameters, like concrete strength, steel yield strength and confinement content. Hence, provisions in current design codes may not provide sufficient deformability for beams, especially when high-strength concrete (HSC) and/or high-strength steel (HSS) are used. In this paper, influences of key factors, including the degree of reinforcement, concrete strength, steel yield strength, compression steel ratio, and confining pressure, are studied based on a theoretical method. An empirical formula for direct evaluation of deformability is proposed. Interrelation between the strength and deformability are plotted in charts. Based on the empirical formula and charts, a new method of beam design called "concurrent flexural strength and deformability design" that would allow both strength and deformability requirements to be considered simultaneously is developed. The method provides engineers with flexibility of using high-strength concrete, adding compression steel or adding confinement to increase deformability of RC beams.en_US
dc.languageengen_US
dc.relation.ispartofProcedia Engineeringen_US
dc.subjectBeamen_US
dc.subjectDegree Of Reinforcementen_US
dc.subjectFlexural Deformabilityen_US
dc.subjectFlexural Strengthen_US
dc.subjectHigh-Strength Concreteen_US
dc.subjectHigh-Strength Steelen_US
dc.titleFlexural strength and deformability design of reinforced concrete beamsen_US
dc.typeConference_Paperen_US
dc.identifier.emailHo, JCM:johnny.ho@hku.hken_US
dc.identifier.emailSu, RKL:klsu@hkucc.hku.hken_US
dc.identifier.authorityHo, JCM=rp00070en_US
dc.identifier.authoritySu, RKL=rp00072en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.proeng.2011.07.176en_US
dc.identifier.scopuseid_2-s2.0-80054781562en_US
dc.identifier.hkuros191315-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80054781562&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume14en_US
dc.identifier.spage1399en_US
dc.identifier.epage1407en_US
dc.identifier.isiWOS:000300368401065-
dc.description.otherThe 12th East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-12), Hong Kong, China, 26-28 January 2011. In Procedia Engineering, 2011, v. 14, p. 1399-1407-
dc.identifier.scopusauthoridZhou, KJH=37073984000en_US
dc.identifier.scopusauthoridHo, JCM=24831880500en_US
dc.identifier.scopusauthoridSu, RKL=7102627096en_US

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