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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/48296

Title: Experimental Comparison of Different Carbon Fiber Composites in Reinforcement Layouts for Wooden Beams of Historical Buildings
Authors: Rescalvo Fernández, Francisco José
Valverde-Palacios, Ignacio
Suárez Vargas, Elisabet
Gallego Molina, Antolino
Issue Date: 21-Sep-2017
Abstract: This paper offers a detailed, quantitative and exhaustive experimental comparison in terms of mechanical properties of three different layouts of carbon composite materials (CFRP) used to strengthen existing old timber beams highly affected by diverse natural defects and biological attacks, testing the use of pultruded laminate attached on the tension side of the element (LR), CFRP fabrics totally U-shape wrapping the timber element (UR), and the combined use of both reinforcement solutions (UR-P). Moreover, unidirectional and bidirectional fabrics were considered and compared. Timber elements used for the experimental program were extracted from a recent rehabilitation of the roof of the current Faculty of Law building, University of Granada (Spain), catalogued as a historical edifice. Experimental results from bending tests show that in all cases reinforcement provides a clear improvement in terms of bending capacity and stiffness as compared with the control specimens (without reinforcement). However, improvements in terms of ductility differ considerably depending on the kind of layout.
Sponsorship: This work has been possible thanks to financial support from the firm DÁVILA Restauración de Monumentos, under research contract No. 3546, titled “Rehabilitación de vigas de madera mediante refuerzos de material compuesto laminado de fibra de carbono (CFRP). Comportamiento mecánico y evaluación de fallos con emisión acústica”.
Publisher: MDPI
Description: The authors also gratefully acknowledge the important contribution of lab technician David Jiménez.
Keywords: Timber beams
URI: http://hdl.handle.net/10481/48296
ISSN: 1996-1944
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Rescalvo Fernández, F.J.; et al. Experimental Comparison of Different Carbon Fiber Composites in Reinforcement Layouts for Wooden Beams of Historical Buildings. Materials, 10(10): 1113 (2017). [http://hdl.handle.net/10481/48296]
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