Ductility of the Tensile Zone in Bent Wooden Beams Strengthened with CFRP Materials |
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Authors: | Agnieszka Wdowiak-Postulak Janusz Brol |
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Affiliation: | 1.Faculty of Civil Engineering and Architecture, Kielce University of Technology, 25-314 Kielce, Poland;2.Faculty of Civil Engineering, Silesian University of Technology, 44-100 Gliwice, Poland; |
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Abstract: | This article presents experimental results from the bending of technical-scale models of beams reinforced in the tension zone with CFRP (Carbon Fiber Reinforced Polymers) materials, with a focus on the benefits resulting from the increased ductility in the tension zone of these beams. In experimental tests, the mechanical properties of reinforced beams were compared with unreinforced beams in terms of the maximum load, deflection, images of damage, stiffness, and distribution of deformation. The results showed that the proposed reinforcement solution was advantageous due to its strength and stiffness, and the safety of the structure. Based on this analysis, it was concluded that the reinforcement of wood with CFRP materials has a positive effect on the behavior and safety of structures. Also, a method of analytical checking of strengthened beams with small cross-sections was presented in the article. |
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Keywords: | glued laminated beams solid wooden beams CFRP materials strengthening bending strength |
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