Investigation on the effects of fiber composites at concrete joints

✍ Scribed by A Parvin; P Granata

• Publisher: Elsevier Science
• Year: 2000
• Tongue: English
• Weight: 367 KB
• Volume: 31
• Category: Article
• ISSN: 1359-8368
• DOI: 10.1016/s1359-8368(99)00046-3

✦ Synopsis

This investigation involves parametric studies of the application of ®ber-reinforced polymer (FRP) composite laminates to exterior beam± column joints to increase their moment capacity. Three beam±column joint models were examined using various ®ber composite laminates and wraps, and various thickness. Composite laminates and wraps considered were made out of epoxy and ®bers such as E-glass, carbon, and kevlar. One beam±column joint model without FRP reinforcement was used as a control specimen for comparison. The other two beam± column joint models studied included laminates bonded to the tensile faces with and without wraps. The wraps were provided to prevent the peeling of the laminates. The ®nite element analysis results indicated that the choice of the ®ber composite materials, the laminate and wraps arrangement and thickness affected the enhancement of the structural joint performance signi®cantly. Furthermore, an increase in the moment capacity of up to 37% was observed when the joints were reinforced with FRP laminates and were compared to the control specimen.