Effect of the bond-slip law on the bond response of NSM FRP reinforced concrete elements

Please use this identifier to cite or link to this item: http://hdl.handle.net/10045/104571
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Title: Effect of the bond-slip law on the bond response of NSM FRP reinforced concrete elements
Authors: Gómez, Javier | Torres, Lluís | Barris, Cristina
Keywords: CFRP | NSM | Bond behaviour | Finite differences method | Concrete
Issue Date: 2019
Publisher: Editorial Club Universitario
Citation: Gómez, Javier; Torres, Lluís; Barris, Cristina. “Effect of the bond-slip law on the bond response of NSM FRP reinforced concrete elements”. In: CMMoST 2019: 5th International Conference on Mechanical Models in Structural Engineering, Polytechnic School of Alicante, 23rd – 25th October 2019. San Vicente (Alicante): Editorial Club Universitario, 2019. ISBN 978-84-17924-58-4, pp. 237-254
Abstract: The Near-Surface Mounted (NSM) technique with Fibre Reinforced Polymer (FRP) reinforcement as strengthening system of concrete structures has been broadly studied during the last years. In this methodology, it is widely accepted that the bond behaviour between FRP and concrete, usually defined by a local bond-slip law, is a crucial factor for the efficiency of the FRP strengthening system. This paper studies the effect of the bond-slip law shape on the load capacity, the effective bond length, the slip of the joint, and the shear stress distribution along the bonded length, which are essential parameters on the strengthening design. A numerical procedure based on finite differences method to solve the governing equations of the FRP-to-concrete joint is developed and validated. Then, a parametric study is performed. The effect of the shear bond strength, slip at the bond strength, maximum slip and friction branch, on the parameters previously described is discussed.
Sponsor: The authors acknowledge the support provided by the Spanish Government (MINECO), Project Ref. BIA2017-84975-C2-2-P. The first author acknowledges the University of Girona for conceding the IFUdG grant (IFUDG2018).
URI: http://hdl.handle.net/10045/104571
ISBN: 978-84-17924-58-4 | 978-84-17924-22-5
Language: eng
Type: info:eu-repo/semantics/conferenceObject
Rights: © Los autores
Peer Review: si
Appears in Collections:Congresos - CMMoST 2019 - Libro de Actas

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