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Conference Paper: Analytical evaluation of seismic performance of non-ductile RC frames retrofitted using CFRP composites

TitleAnalytical evaluation of seismic performance of non-ductile RC frames retrofitted using CFRP composites
Authors
KeywordsCFRP
Dynamic analysis
Non-ductile RC frames
Perform-3D
Rehabilitation
Seismic performance
Static pushover analysis
Issue Date2012
Citation
The 6th International Conference on FRP Composites in Civil Engineering (CICE 2012), Rome, Italy, 13-15 June 2012. In 6th CICE Proceedings, 2012, p. 1-8 How to Cite?
AbstractThe objective of this study is to evaluate the effectiveness of different CFRP rehabilitation schemes in promoting the seismic performance of existing non-ductile RC frames. Three nonductile RC frames with different heights representing low-, medium-, and high-rise buildings were investigated. Six typical rehabilitation patterns using CFRP composites were considered and the static pushover and dynamic time-history analyses were conducted for predicting the seismic behavior of frames before and after retrofitting. The seismic performance is evaluated in terms of the inter-story drift (ID) ratio, the base shear-top displacement and the maximum applied peak ground acceleration (PGA). It was found that for low-rise frames, the seismic performance is enhanced effectively by only retrofitting the columns of the ground floor. However, for medium-, and high-rise frames, rehabilitation of columns only was not as effective as rehabilitation of both columns and beams. The CFRP rehabilitation should result in the weak floor transfer of frames.
Persistent Identifierhttp://hdl.handle.net/10722/165785

 

DC FieldValueLanguage
dc.contributor.authorWang, ZYen_US
dc.contributor.authorWang, DYen_US
dc.contributor.authorPan, XLen_US
dc.contributor.authorSmith, STen_US
dc.date.accessioned2012-09-20T08:23:11Z-
dc.date.available2012-09-20T08:23:11Z-
dc.date.issued2012en_US
dc.identifier.citationThe 6th International Conference on FRP Composites in Civil Engineering (CICE 2012), Rome, Italy, 13-15 June 2012. In 6th CICE Proceedings, 2012, p. 1-8en_US
dc.identifier.urihttp://hdl.handle.net/10722/165785-
dc.description.abstractThe objective of this study is to evaluate the effectiveness of different CFRP rehabilitation schemes in promoting the seismic performance of existing non-ductile RC frames. Three nonductile RC frames with different heights representing low-, medium-, and high-rise buildings were investigated. Six typical rehabilitation patterns using CFRP composites were considered and the static pushover and dynamic time-history analyses were conducted for predicting the seismic behavior of frames before and after retrofitting. The seismic performance is evaluated in terms of the inter-story drift (ID) ratio, the base shear-top displacement and the maximum applied peak ground acceleration (PGA). It was found that for low-rise frames, the seismic performance is enhanced effectively by only retrofitting the columns of the ground floor. However, for medium-, and high-rise frames, rehabilitation of columns only was not as effective as rehabilitation of both columns and beams. The CFRP rehabilitation should result in the weak floor transfer of frames.-
dc.languageengen_US
dc.relation.ispartofProceedings of the 6th International Conference on FRP Composites in Civil Engineering, CICE 2012en_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCFRP-
dc.subjectDynamic analysis-
dc.subjectNon-ductile RC frames-
dc.subjectPerform-3D-
dc.subjectRehabilitation-
dc.subjectSeismic performance-
dc.subjectStatic pushover analysis-
dc.titleAnalytical evaluation of seismic performance of non-ductile RC frames retrofitted using CFRP compositesen_US
dc.typeConference_Paperen_US
dc.identifier.emailWang, ZY: zhenyuwang@hit.edu.cnen_US
dc.identifier.emailWang, DY: daiyuwang@hit.edu.cn-
dc.identifier.emailPan, XL: xiaolan_pan26@163.com-
dc.identifier.emailSmith, ST: stsmith@hku.hk-
dc.identifier.authoritySmith, ST=rp00168en_US
dc.description.naturepostprint-
dc.identifier.hkuros210160en_US
dc.identifier.spage1-
dc.identifier.epage8-

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