The possibility of using concrete materials with tensile hardening behaviour (High Performance Fiber Reinforced Cementitious Composites, HPFRCC) for strengthening R/C beams is investigated. In order to verify the effectiveness of the proposed solution, full scale tests have been performed on 4.55 m long beams. Three beams with an ordinary reinforcement ratio equal to 0.3% have been studied. One of the beams was used as reference element, one was strengthened with a jacket in HPFRCC having a thickness of 40 mm and the third beam was initially loaded up to the yielding load and, eventually, was repaired with the HPFRCC jacket. The obtained results show the effectiveness of the proposed technique both at ultimate and serviceability limit states
Meda, A., Rinaldi, Z., Maisto, L., Plizzari, G. (2007). R/C Beams strengthening with high performance fiber reinforced concrete jacket. ??????? it.cilea.surplus.oa.citation.tipologie.CitationProceedings.prensentedAt ??????? 4th Specialty Conference on The conceptual approach to structural design, venezia.
R/C Beams strengthening with high performance fiber reinforced concrete jacket
MEDA, ALBERTO;RINALDI, ZILA;
2007-01-01
Abstract
The possibility of using concrete materials with tensile hardening behaviour (High Performance Fiber Reinforced Cementitious Composites, HPFRCC) for strengthening R/C beams is investigated. In order to verify the effectiveness of the proposed solution, full scale tests have been performed on 4.55 m long beams. Three beams with an ordinary reinforcement ratio equal to 0.3% have been studied. One of the beams was used as reference element, one was strengthened with a jacket in HPFRCC having a thickness of 40 mm and the third beam was initially loaded up to the yielding load and, eventually, was repaired with the HPFRCC jacket. The obtained results show the effectiveness of the proposed technique both at ultimate and serviceability limit statesI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
