Istrazivanja i projektovanja za privreduJournal of Applied Engineering Science


DOI: 10.5937/jaes10-1661
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Volume 10 article 217 pages: 27 - 30

Marijana Lazarevska 
University of Skopje, Faculty of Civil Engineering, Skopje, Macedonia

Ana Trombeva-Gavriloska 
University of Skopje, Faculty of Architecture, Skopje Macedonia

Milos Knezevic 
University of Podgorica, Faculty of Civil Engineering, Podgorica, Montenegro

Todorka Samardzioska 
University of Skopje, Faculty of Civil Engineering, Skopje, Macedonia

Meri Cvetkovska 
University of Skopje, Faculty of Civil Engineering, Skopje, Macedonia

Improper execution of bonding of FRP plates to the RC beam can result into appearance of zones where the bond is substantially weaker, and air pockets are present. This paper presents an attempt to model the weak bond zone and its influence on the global response of the externally CFRP strengthened RC beam. A numerical displacement-based fibber model was used for the prediction of the response of RC beams externally strengthened with CFRP. Also, using the concepts of artificial neural networks and the results of the performed numerical analyses, another prediction model has been made. Both models generated excellent results and some of them will be presented further below in this paper.

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Knezevic M.: “Risk management of civil engineering projects“, Doctoral dissertation, Civil Engineering Faculty of University in Belgrade, Serbia, 2005

Knezevic M. and Radomir Z.: “Neural networks - application for usage of prognostic model of the experimental research for thin reinforced-concrete columns”, scientific research work, Materials and constructions, 2008

Monti, G. and Spacone, E., “Reinforced concrete fibber beam element with bond- slip”, Journal of Structural Engineering, 126, 6, 2000, pp 654-661

Spacone, E., Limkatanyu, S. 2000. “Responses of Reinforced Concrete Members Including Bond-Slip Effects”, ACI Structural Journal, 97, 6, pp 831-839

Taljsten, B., “Strengthening of Beams by Plate Bonding”, Journal of Materials in Civil Engineering, 9, 4, 1997, pp 206-212

Trombeva A., Modeling of CFRP external strengthening of reinforced concrete structures with the weak zones in the bond layer, master thesis, University in Ljubljana, Faculty of Civil and Geodetic Engineering, 2004.