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Article: Nonlinear behavior of deep reinforced concrete coupling beams
Title | Nonlinear behavior of deep reinforced concrete coupling beams |
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Authors | |
Keywords | Coupling beams Reinforced concrete Shear walls |
Issue Date | 2003 |
Publisher | Techno-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? |
Abstract | Six 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 Identifier | http://hdl.handle.net/10722/70631 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.382 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Zhao, ZZ | en_HK |
dc.contributor.author | Kwan, AKH | en_HK |
dc.date.accessioned | 2010-09-06T06:24:43Z | - |
dc.date.available | 2010-09-06T06:24:43Z | - |
dc.date.issued | 2003 | en_HK |
dc.identifier.citation | Structural Engineering And Mechanics, 2003, v. 15 n. 2, p. 181-198 | en_HK |
dc.identifier.issn | 1225-4568 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/70631 | - |
dc.description.abstract | Six 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.language | eng | en_HK |
dc.publisher | Techno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5 | en_HK |
dc.relation.ispartof | Structural Engineering and Mechanics | en_HK |
dc.subject | Coupling beams | en_HK |
dc.subject | Reinforced concrete | en_HK |
dc.subject | Shear walls | en_HK |
dc.title | Nonlinear behavior of deep reinforced concrete coupling beams | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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+beams | en_HK |
dc.identifier.email | Kwan, AKH:khkwan@hkucc.hku.hk | en_HK |
dc.identifier.authority | Kwan, AKH=rp00127 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.scopus | eid_2-s2.0-0037320628 | en_HK |
dc.identifier.hkuros | 82224 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0037320628&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 15 | en_HK |
dc.identifier.issue | 2 | en_HK |
dc.identifier.spage | 181 | en_HK |
dc.identifier.epage | 198 | en_HK |
dc.identifier.isi | WOS:000180858800002 | - |
dc.publisher.place | Korea, Republic of | en_HK |
dc.identifier.scopusauthorid | Zhao, ZZ=37031741700 | en_HK |
dc.identifier.scopusauthorid | Kwan, AKH=7101738204 | en_HK |
dc.identifier.issnl | 1225-4568 | - |