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Article: Numerical studies of deep concrete coupling beams retrofitted with a laterally restrained steel plate

TitleNumerical studies of deep concrete coupling beams retrofitted with a laterally restrained steel plate
Authors
Keywordsdeep coupling beams
finite element model
lateral restraint
plate buckling
seismic retrofitting
Issue Date2011
PublisherMulti-Science Publishing Co Ltd. The Journal's web site is located at http://www.multi-science.co.uk/advstruc.htm
Citation
Advances In Structural Engineering, 2011, v. 14 n. 5, p. 903-915 How to Cite?
AbstractExisting deep reinforced concrete (RC) coupling beams with low shear span ratios and conventionally reinforced shear stirrups tend to fail in a brittle manner with limited ductility and deformability under reversed cyclic loading. Experimental studies have shown that a laterally restrained steel plate (LRSP) can be used to retrofit existing deep RC coupling beams. In this way, the deformability and energy dissipation of the retrofitted beams are greatly enhanced. In this paper, a nonlinear finite element package ABAQUS was used to model the behaviour of plate buckling by considering the plate's geometric and material nonlinearity. The effects of adding lateral restraints and the influence of tension field actions on the shear carrying capacity of the steel plate were quantified. The numerical results confirm the effectiveness of adding lateral restraints. By using the nonlinear finite element package ATENA, the overall behaviour of LRSP-retrofitted coupling beams was simulated. To obtain accurate results, the effects of plate buckling and bolt slipping were incorporated into the simulations. Finally, the effect of the plate's thickness and the bolt's stiffness on the performance of LRSP coupling beams was investigated in detail.
Persistent Identifierhttp://hdl.handle.net/10722/145878
ISSN
2015 Impact Factor: 0.577
2015 SCImago Journal Rankings: 0.475
ISI Accession Number ID
Funding AgencyGrant Number
Research Grants Council of Hong Kong SARHKU7166/08E
Funding Information:

The work described in this paper has been fully supported by the Research Grants Council of Hong Kong SAR (Project No. HKU7166/08E).

References

 

DC FieldValueLanguage
dc.contributor.authorCheng, Ben_HK
dc.contributor.authorSu, RKLen_HK
dc.date.accessioned2012-03-27T08:58:16Z-
dc.date.available2012-03-27T08:58:16Z-
dc.date.issued2011en_HK
dc.identifier.citationAdvances In Structural Engineering, 2011, v. 14 n. 5, p. 903-915en_HK
dc.identifier.issn1369-4332en_HK
dc.identifier.urihttp://hdl.handle.net/10722/145878-
dc.description.abstractExisting deep reinforced concrete (RC) coupling beams with low shear span ratios and conventionally reinforced shear stirrups tend to fail in a brittle manner with limited ductility and deformability under reversed cyclic loading. Experimental studies have shown that a laterally restrained steel plate (LRSP) can be used to retrofit existing deep RC coupling beams. In this way, the deformability and energy dissipation of the retrofitted beams are greatly enhanced. In this paper, a nonlinear finite element package ABAQUS was used to model the behaviour of plate buckling by considering the plate's geometric and material nonlinearity. The effects of adding lateral restraints and the influence of tension field actions on the shear carrying capacity of the steel plate were quantified. The numerical results confirm the effectiveness of adding lateral restraints. By using the nonlinear finite element package ATENA, the overall behaviour of LRSP-retrofitted coupling beams was simulated. To obtain accurate results, the effects of plate buckling and bolt slipping were incorporated into the simulations. Finally, the effect of the plate's thickness and the bolt's stiffness on the performance of LRSP coupling beams was investigated in detail.en_HK
dc.languageengen_US
dc.publisherMulti-Science Publishing Co Ltd. The Journal's web site is located at http://www.multi-science.co.uk/advstruc.htmen_HK
dc.relation.ispartofAdvances in Structural Engineeringen_HK
dc.subjectdeep coupling beamsen_HK
dc.subjectfinite element modelen_HK
dc.subjectlateral restrainten_HK
dc.subjectplate bucklingen_HK
dc.subjectseismic retrofittingen_HK
dc.titleNumerical studies of deep concrete coupling beams retrofitted with a laterally restrained steel plateen_HK
dc.typeArticleen_HK
dc.identifier.emailSu, RKL:klsu@hkucc.hku.hken_HK
dc.identifier.authoritySu, RKL=rp00072en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1260/1369-4332.14.5.903en_HK
dc.identifier.scopuseid_2-s2.0-80053504230en_HK
dc.identifier.hkuros199005en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80053504230&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume14en_HK
dc.identifier.issue5en_HK
dc.identifier.spage903en_HK
dc.identifier.epage915en_HK
dc.identifier.isiWOS:000296248700013-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridCheng, B=36991483100en_HK
dc.identifier.scopusauthoridSu, RKL=7102627096en_HK

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