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Experimental study of the flexural behavior of timber beams reinforced with different kinds of FRP and metallic fibers

Identifiers
URI: http://hdl.handle.net/20.500.12251/1603
ISSN: 2638223
DOI: 10.1016/j.compstruct.2019.01.099
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Author
Gómez, E. P.; González García, María de las Nieves; Hosokawa Menéndez, Kenzo Jorge; Cobo Escamilla, Alfonso
Date
2019
Subject/s

Estructura de madera

Refuerzo estructuras

Fibra metálica

Fibra de carbono

Resistencia mecánica

Módulo de deformación

Plásticos

Ensayos (propiedades o materiales)

Resistencia a flexión

Fibra de vidrio

Unesco Subject/s

3305.33 Resistencia de Estructuras

3305.32 Ingeniería de Estructuras

3312.13 Tecnología de la Madera

3305.39 Construcciones de Madera

3312.08 Propiedades de Los Materiales

3312.09 Resistencia de Materiales

3312.12 Ensayo de Materiales

3313.04 Material de Construcción

Abstract

This article involves a comparative study of the flexural behavior of timber beams reinforced with four kinds of unidirectional fiber (FRP) and metallic fibers attached to the outside using epoxy resins. The reinforcements were made using normal carbon fiber, high elastic modulus carbon fiber, glass fiber, basalt fiber and metallic fiber. Furthermore, three different test configurations were tested for each fiber type: one layer of material attached to the bottom, two layers of material attached to the bottom and two layers of material attached to the sides. The test involving unreinforced beams acted as a benchmark. The results show that reinforcing with fibers can substantially increase the initial resistance of the beams, the reinforcements made from lower elastic modulus fibers such as basalt and glass obtaining better results. © 2019 Elsevier Ltd

This article involves a comparative study of the flexural behavior of timber beams reinforced with four kinds of unidirectional fiber (FRP) and metallic fibers attached to the outside using epoxy resins. The reinforcements were made using normal carbon fiber, high elastic modulus carbon fiber, glass fiber, basalt fiber and metallic fiber. Furthermore, three different test configurations were tested for each fiber type: one layer of material attached to the bottom, two layers of material attached to the bottom and two layers of material attached to the sides. The test involving unreinforced beams acted as a benchmark. The results show that reinforcing with fibers can substantially increase the initial resistance of the beams, the reinforcements made from lower elastic modulus fibers such as basalt and glass obtaining better results. © 2019 Elsevier Ltd

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