Effect of fibre reinforcement on creep in early age concrete

González, Laura; Gaute Alonso, Álvaro; Rico Arenal, Jokin; Thomas García, Carlos

doi:10.3390/app12010257

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Identificadores

URI: http://hdl.handle.net/10902/24988

DOI: 10.3390/app12010257

ISSN: 2076-3417

Fecha

2022-01

Derechos

Publicado en

Applied Sciences, 2022, 12(1), 257

Editorial

MDPI

Enlace a la publicación

https://doi.org/10.3390/app12010257

Palabras clave

Fibre-reinforced concrete

Steel fibres

Creep strain

Delayed elastic strain

Resumen/Abstract

This research analyses the strain behaviour of fibre-reinforced concrete (FRC) in the event of a creep episode. The analysis of creep experienced by FRC specimens during the test reflects better performance than that predicted by the EHE-08 standard. The authors propose a formulation for the evaluation of creep strain undergone by FRC. During the research, the evolution of the modulus of elasticity of FRC after a creep episode is analysed. After the test campaign, it can be concluded that FRC loaded at an earlier age stiffens after a creep episode. After the creep test is completed, the delayed elastic strain undergone by FRC is analysed and it is observed that FRC loaded at an earlier age undergoes less deformation. The authors propose a formulation for the evaluation of the delayed elastic strain undergone by FRC after a creep episode.

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© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.

Excepto si se señala otra cosa, la licencia del ítem se describe como © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.