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Conference Paper: Analytical evaluation of seismic performance of non-ductile RC frames retrofitted using CFRP composites
Title | Analytical evaluation of seismic performance of non-ductile RC frames retrofitted using CFRP composites |
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Authors | |
Keywords | CFRP Dynamic analysis Non-ductile RC frames Perform-3D Rehabilitation Seismic performance Static pushover analysis |
Issue Date | 2012 |
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? |
Abstract | The 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 Identifier | http://hdl.handle.net/10722/165785 |
DC Field | Value | Language |
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dc.contributor.author | Wang, ZY | en_US |
dc.contributor.author | Wang, DY | en_US |
dc.contributor.author | Pan, XL | en_US |
dc.contributor.author | Smith, ST | en_US |
dc.date.accessioned | 2012-09-20T08:23:11Z | - |
dc.date.available | 2012-09-20T08:23:11Z | - |
dc.date.issued | 2012 | en_US |
dc.identifier.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 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/165785 | - |
dc.description.abstract | The 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.language | eng | en_US |
dc.relation.ispartof | Proceedings of the 6th International Conference on FRP Composites in Civil Engineering, CICE 2012 | en_US |
dc.subject | CFRP | - |
dc.subject | Dynamic analysis | - |
dc.subject | Non-ductile RC frames | - |
dc.subject | Perform-3D | - |
dc.subject | Rehabilitation | - |
dc.subject | Seismic performance | - |
dc.subject | Static pushover analysis | - |
dc.title | Analytical evaluation of seismic performance of non-ductile RC frames retrofitted using CFRP composites | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Wang, ZY: zhenyuwang@hit.edu.cn | en_US |
dc.identifier.email | Wang, DY: daiyuwang@hit.edu.cn | - |
dc.identifier.email | Pan, XL: xiaolan_pan26@163.com | - |
dc.identifier.email | Smith, ST: stsmith@hku.hk | - |
dc.identifier.authority | Smith, ST=rp00168 | en_US |
dc.description.nature | postprint | - |
dc.identifier.hkuros | 210160 | en_US |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 8 | - |