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Conference Paper: Effects of concrete-to-reinforcement bond and loading conditions on tension stiffening

TitleEffects of concrete-to-reinforcement bond and loading conditions on tension stiffening
Authors
KeywordsBond Slip
Cracking
Reinforced Concrete
Tensile Stress Block
Tension Stiffening
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. 704-714 How to Cite?
AbstractWithin the tension zone of a cracked reinforced concrete beam, the intact concrete between adjacent cracks is able to sustain certain level of tensile stresses and contribute to the flexural stiffness of the beam. This tension stiffening effect is of high importance in deflection calculation of concrete beams and can be accounted for in design practice by using a tensile stress block in section analysis. Recently, the authors have employed finite element analysis to evaluate the tension stress fields in cracked concrete beams. Based on the stress field results, tensile stress blocks for practical use in structural design have been formulated. To continue the study, this paper examines the sensitivity of tensile stress block to the concrete-to- reinforcement bond characteristics and to the loading conditions. It is found that the bond characteristics do not have significant effect on the tensile stress block. On the other hand, the loading conditions do significantly affect the tensile stress block. Formulas of stress block parameters are proposed to address the effect of loading conditions.
DescriptionProcedia Engineering, vol. 14 entitled The Proceedings of the Twelfth East Asia-Pacific Conference on Structural Engineering and Construction — EASEC12
Persistent Identifierhttp://hdl.handle.net/10722/152172
ISSN
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNg, PLen_US
dc.contributor.authorLam, JYKen_US
dc.contributor.authorKwan, AKHen_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. 704-714en_US
dc.identifier.issn1877-7058en_US
dc.identifier.urihttp://hdl.handle.net/10722/152172-
dc.descriptionProcedia Engineering, vol. 14 entitled The Proceedings of the Twelfth East Asia-Pacific Conference on Structural Engineering and Construction — EASEC12-
dc.description.abstractWithin the tension zone of a cracked reinforced concrete beam, the intact concrete between adjacent cracks is able to sustain certain level of tensile stresses and contribute to the flexural stiffness of the beam. This tension stiffening effect is of high importance in deflection calculation of concrete beams and can be accounted for in design practice by using a tensile stress block in section analysis. Recently, the authors have employed finite element analysis to evaluate the tension stress fields in cracked concrete beams. Based on the stress field results, tensile stress blocks for practical use in structural design have been formulated. To continue the study, this paper examines the sensitivity of tensile stress block to the concrete-to- reinforcement bond characteristics and to the loading conditions. It is found that the bond characteristics do not have significant effect on the tensile stress block. On the other hand, the loading conditions do significantly affect the tensile stress block. Formulas of stress block parameters are proposed to address the effect of loading conditions.en_US
dc.languageengen_US
dc.relation.ispartofProcedia Engineeringen_US
dc.subjectBond Slipen_US
dc.subjectCrackingen_US
dc.subjectReinforced Concreteen_US
dc.subjectTensile Stress Blocken_US
dc.subjectTension Stiffeningen_US
dc.titleEffects of concrete-to-reinforcement bond and loading conditions on tension stiffeningen_US
dc.typeConference_Paperen_US
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_US
dc.identifier.authorityKwan, AKH=rp00127en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.proeng.2011.07.090en_US
dc.identifier.scopuseid_2-s2.0-80054780183en_US
dc.identifier.hkuros237923-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80054780183&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume14en_US
dc.identifier.spage704en_US
dc.identifier.epage714en_US
dc.identifier.isiWOS:000300368400090-
dc.identifier.scopusauthoridNg, PL=15045284100en_US
dc.identifier.scopusauthoridLam, JYK=24831751200en_US
dc.identifier.scopusauthoridKwan, AKH=7101738204en_US

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