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Experimental validation of a CFRP laminated/fabric hybrid layout for retrofitting and repairing timber beams

Identifiers
URI: http://hdl.handle.net/20.500.12251/1595
ISSN: 15376494
DOI: 10.1080/15376494.2018.1455940
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Author
Rescalvo Fernández, Francisco José; Suárez Vargas, Elisabet; Abarkane, Chihab; Cruz Valdivieso, Ana María; Gallego Molina, Antolino [et al.]
Date
2019
Subject/s

Estructuras - Construcción

Madera estructural

Fibra de carbono

Resistencia mecánica

Refuerzo estructuras

Resistencia a flexión

Plásticos

Ensayos (propiedades o materiales)

Unesco Subject/s

3312.13 Tecnología de la Madera

3305.33 Resistencia de Estructuras

3312.08 Propiedades de Los Materiales

3312.09 Resistencia de Materiales

3312.12 Ensayo de Materiales

3313.04 Material de Construcción

Abstract

This paper proposes a new hybrid layout to retrofit and repair timber beams by means of carbon composite material. It is based on the combination of a carbon laminate strip attached on the tension side, and a carbon fabric discontinuously wrapping the timber element. This layout has been experimentally validated by means of a study involving large-scale timber beams with many years in service. Results demonstrate not only that the bending load capacity of the broken beams can be totally recovered, but that it may even be increased by 70% with respect to the non-broken ones. © 2018, © 2018 Taylor & Francis Group, LLC.

This paper proposes a new hybrid layout to retrofit and repair timber beams by means of carbon composite material. It is based on the combination of a carbon laminate strip attached on the tension side, and a carbon fabric discontinuously wrapping the timber element. This layout has been experimentally validated by means of a study involving large-scale timber beams with many years in service. Results demonstrate not only that the bending load capacity of the broken beams can be totally recovered, but that it may even be increased by 70% with respect to the non-broken ones. © 2018, © 2018 Taylor & Francis Group, LLC.

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