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Assessment of the efficiency of prefabricated hybrid composite plates (HCPs) for retrofitting of damaged interior RC beam–column joints
The effectiveness of prefabricated hybrid composite plates (HCPs) as a seismic retrofitting solution for damaged interior RC beam-column joints is experimentally studied. HCP is composed of a thin plate made of strain hardening cementitious composite (SHCC) reinforced with CFRP sheets/laminates. Two full-scale severely damaged interior beam-column joints are retrofitted using two different configurations of HCPs. The effectiveness of these retrofitting solutions mainly in terms of hysteretic response, dissipated energy, degradation of secant stiffness, displacement ductility and failure modes are compared to their virgin states. According to these criteria, both solutions resulted in superior responses regarding the ones registered in their virgin states. ; This work is supported by FCT (PTDC/ECM/114511/2009). The first author acknowledges the PhD scholarship SFRH/BD/65663/2009 provided by FCT. The authors also thank the collaboration of the following material suppliers: SIKA, Dow Chemical Co., ENDESA Compostilla Power Station, S&P Clever Reinforcement, and Hilti.
Assessment of the efficiency of prefabricated hybrid composite plates (HCPs) for retrofitting of damaged interior RC beam–column joints
The effectiveness of prefabricated hybrid composite plates (HCPs) as a seismic retrofitting solution for damaged interior RC beam-column joints is experimentally studied. HCP is composed of a thin plate made of strain hardening cementitious composite (SHCC) reinforced with CFRP sheets/laminates. Two full-scale severely damaged interior beam-column joints are retrofitted using two different configurations of HCPs. The effectiveness of these retrofitting solutions mainly in terms of hysteretic response, dissipated energy, degradation of secant stiffness, displacement ductility and failure modes are compared to their virgin states. According to these criteria, both solutions resulted in superior responses regarding the ones registered in their virgin states. ; This work is supported by FCT (PTDC/ECM/114511/2009). The first author acknowledges the PhD scholarship SFRH/BD/65663/2009 provided by FCT. The authors also thank the collaboration of the following material suppliers: SIKA, Dow Chemical Co., ENDESA Compostilla Power Station, S&P Clever Reinforcement, and Hilti.
Assessment of the efficiency of prefabricated hybrid composite plates (HCPs) for retrofitting of damaged interior RC beam–column joints
Esmaeeli, Esmaeel (author) / Barros, Joaquim A. O. (author) / Sena-Cruz, José (author) / Varum, H. (author) / Melo, J. (author)
2015-01-01
doi:10.1016/j.compstruct.2014.08.024
Article (Journal)
Electronic Resource
English
Carbon fiber reinforced polymer (CFRP) , Interior Reinforced Concrete (RC) beam-column joint , Hybrid Composite Plate (HCP) , Science & Technology , Strain Hardening Cementitious Composite (SHCC) , Carbon Fibre Reinforced Polymer (CFRP) , Cyclic behaviour , Cyclic behavior , Engenharia e Tecnologia::Engenharia Civil , Retrofitting
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