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Article: Nonlinear behavior of deep reinforced concrete coupling beams

TitleNonlinear behavior of deep reinforced concrete coupling beams
Authors
KeywordsCoupling beams
Reinforced concrete
Shear walls
Issue Date2003
PublisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5
Citation
Structural Engineering And Mechanics, 2003, v. 15 n. 2, p. 181-198 How to Cite?
AbstractSix large scale models of conventionally reinforced concrete coupling beams with span/depth ratios ranging from 1.17 to 2.00 were tested under monotonically applied shear loads to study their nonlinear behavior using a newly developed test method that maintained equal rotations at the two ends of the coupling beam specimen and allowed for local deformations at the beam-wall joints. By conducting the tests under displacement control, the post-peak behavior and complete load-deflection curves of the coupling beams were obtained for investigation. It was found that after the appearance of flexural and shear cracks, a deep coupling beam would gradually transform itself from an ordinary beam to a truss composed of diagonal concrete struts and longitudinal and transverse steel reinforcement bars. Moreover, in a deep coupling beam, the local deformations at the beam-wall joints could contribute significantly (up to the order of 50%) to the total deflection of the coupling beam, especially at the post-peak stage. Finally, although a coupling beam failing in shear would have a relatively low ductility ratio of only 5 or even lower, a coupling beam failing in flexure could have a relatively high ductility ratio of 10 or higher.
Persistent Identifierhttp://hdl.handle.net/10722/70631
ISSN
2015 Impact Factor: 1.021
2015 SCImago Journal Rankings: 0.450
References

 

DC FieldValueLanguage
dc.contributor.authorZhao, ZZen_HK
dc.contributor.authorKwan, AKHen_HK
dc.date.accessioned2010-09-06T06:24:43Z-
dc.date.available2010-09-06T06:24:43Z-
dc.date.issued2003en_HK
dc.identifier.citationStructural Engineering And Mechanics, 2003, v. 15 n. 2, p. 181-198en_HK
dc.identifier.issn1225-4568en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70631-
dc.description.abstractSix large scale models of conventionally reinforced concrete coupling beams with span/depth ratios ranging from 1.17 to 2.00 were tested under monotonically applied shear loads to study their nonlinear behavior using a newly developed test method that maintained equal rotations at the two ends of the coupling beam specimen and allowed for local deformations at the beam-wall joints. By conducting the tests under displacement control, the post-peak behavior and complete load-deflection curves of the coupling beams were obtained for investigation. It was found that after the appearance of flexural and shear cracks, a deep coupling beam would gradually transform itself from an ordinary beam to a truss composed of diagonal concrete struts and longitudinal and transverse steel reinforcement bars. Moreover, in a deep coupling beam, the local deformations at the beam-wall joints could contribute significantly (up to the order of 50%) to the total deflection of the coupling beam, especially at the post-peak stage. Finally, although a coupling beam failing in shear would have a relatively low ductility ratio of only 5 or even lower, a coupling beam failing in flexure could have a relatively high ductility ratio of 10 or higher.en_HK
dc.languageengen_HK
dc.publisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5en_HK
dc.relation.ispartofStructural Engineering and Mechanicsen_HK
dc.subjectCoupling beamsen_HK
dc.subjectReinforced concreteen_HK
dc.subjectShear wallsen_HK
dc.titleNonlinear behavior of deep reinforced concrete coupling beamsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1225-4568&volume=15&issue=2&spage=181&epage=198&date=2003&atitle=Nonlinear+behavior+of+deep+reinforced+concrete+coupling+beamsen_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0037320628en_HK
dc.identifier.hkuros82224en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037320628&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume15en_HK
dc.identifier.issue2en_HK
dc.identifier.spage181en_HK
dc.identifier.epage198en_HK
dc.publisher.placeKorea, Republic ofen_HK
dc.identifier.scopusauthoridZhao, ZZ=37031741700en_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK

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