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Article: On the definition of beam - wall joint rotations in the analysis of coupled wall - frame structures

TitleOn the definition of beam - wall joint rotations in the analysis of coupled wall - frame structures
Authors
KeywordsBeams
Buildings
Shear Walls
Issue Date1993
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 1993, v. 15 n. 2, p. 74-82 How to Cite?
AbstractIn the analysis of coupled wall-frame structures, several different definitions for the beam - wall joint rotations have been adopted. However, the various definitions used are not equivalent. By formulating the coupling beam element as a Timoshenko beam element with both horizontal and vertical fibre rotations at each end, it is shown that the proper definition for the nodal rotation at a beam - wall joint should be the rotation of the vertical fibre at the beam - wall interface; the use of other definitions may lead to errors in the effective stiffness of the coupling beams. A quantitative assessment of the errors so caused is made and it is found that in cases where the coupling beams are short and stiff, the errors could be quite significant. It is therefore proposed that existing methods which use definitions other than the vertical fibre rotations at the joints should be reviewed and, if necessary, reformulated to have the definition of the beam - wall joint rotations amended. © 1993.
Persistent Identifierhttp://hdl.handle.net/10722/149996
ISSN
2015 Impact Factor: 1.893
2015 SCImago Journal Rankings: 1.813

 

DC FieldValueLanguage
dc.contributor.authorKwan, AKHen_US
dc.date.accessioned2012-06-26T06:01:00Z-
dc.date.available2012-06-26T06:01:00Z-
dc.date.issued1993en_US
dc.identifier.citationEngineering Structures, 1993, v. 15 n. 2, p. 74-82en_US
dc.identifier.issn0141-0296en_US
dc.identifier.urihttp://hdl.handle.net/10722/149996-
dc.description.abstractIn the analysis of coupled wall-frame structures, several different definitions for the beam - wall joint rotations have been adopted. However, the various definitions used are not equivalent. By formulating the coupling beam element as a Timoshenko beam element with both horizontal and vertical fibre rotations at each end, it is shown that the proper definition for the nodal rotation at a beam - wall joint should be the rotation of the vertical fibre at the beam - wall interface; the use of other definitions may lead to errors in the effective stiffness of the coupling beams. A quantitative assessment of the errors so caused is made and it is found that in cases where the coupling beams are short and stiff, the errors could be quite significant. It is therefore proposed that existing methods which use definitions other than the vertical fibre rotations at the joints should be reviewed and, if necessary, reformulated to have the definition of the beam - wall joint rotations amended. © 1993.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstructen_US
dc.relation.ispartofEngineering Structuresen_US
dc.subjectBeamsen_US
dc.subjectBuildingsen_US
dc.subjectShear Wallsen_US
dc.titleOn the definition of beam - wall joint rotations in the analysis of coupled wall - frame structuresen_US
dc.typeArticleen_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.scopuseid_2-s2.0-0027311572en_US
dc.identifier.volume15en_US
dc.identifier.issue2en_US
dc.identifier.spage74en_US
dc.identifier.epage82en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridKwan, AKH=7101738204en_US

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