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A platform for research: civil engineering, architecture and urbanism
Torsional strengthening of reinforced concrete box beams using carbon fiber reinforced polymer
This paper presents the results of an experimental investigation on the response of reinforced concrete box beam under combined actions of bending moment, shear and cyclic torque, strengthened with externally bonded carbon fiber reinforced polymer sheets (CFS). Three strengthened box beams and one reference box beam were tested. The main parameters of this experiment were the amount of CFS and the wrapping schemes. The failure shapes, torsional capacities, deformation capacities, rigidity attenuations and hysteresis behaviours of specimens were studied in detail. The experimental results indicated that the contribution of externally bonded CFS to the a seismic capacity of box beam is significant. Based on the text results and analysis, restoring force model of CFS strengthened R.C. box beam under combined actions of bending moment, shear and cyclic torque was established.
Torsional strengthening of reinforced concrete box beams using carbon fiber reinforced polymer
This paper presents the results of an experimental investigation on the response of reinforced concrete box beam under combined actions of bending moment, shear and cyclic torque, strengthened with externally bonded carbon fiber reinforced polymer sheets (CFS). Three strengthened box beams and one reference box beam were tested. The main parameters of this experiment were the amount of CFS and the wrapping schemes. The failure shapes, torsional capacities, deformation capacities, rigidity attenuations and hysteresis behaviours of specimens were studied in detail. The experimental results indicated that the contribution of externally bonded CFS to the a seismic capacity of box beam is significant. Based on the text results and analysis, restoring force model of CFS strengthened R.C. box beam under combined actions of bending moment, shear and cyclic torque was established.
Torsional strengthening of reinforced concrete box beams using carbon fiber reinforced polymer
Torsionale Verfestigung verstärkter Beton-Kastenträger unter Verwendung von Kohlenstofffaser-verstärkten Polymeren
Jing, Meng (author) / Raongjant, Werasak (author) / Li, Zhongxian (author)
Composite Structures ; 78 ; 264-270
2007
7 Seiten, 15 Bilder, 2 Tabellen, 7 Quellen
Article (Journal)
English
Biegemoment , Brückenbau , Drehmoment , experimentelle Untersuchung , Kastenträger , kohlenstofffaserverstärkter Kunststoff , mechanische Hysterese , Retrofitting , Rissbildung , Rückstellkraft , Scherbeanspruchung , seismische Welle , Stahlbetonbau , Starrheit , Torsionsbeanspruchung , Verformungsfähigkeit , Versagensart , Verschiebungsmessung , Verstärkung (Festigkeit) , zyklische Belastung
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