Article (Scientific journals)
Compressive behaviour of steel-fibre reinforced concrete in Anne2605-1729x L of new Eurocode 2
Ruiz, Gonzalo; de la Rosa, Angel; Poveda, Elisa et al.
2022In Hormigón y Acero
Peer reviewed
 

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Keywords :
Compressive model for SFRC in Annex L of Eurocode 2; Combinedcompression/flexural classification for any SFRC; Impact of the ductility and toughness enhancement of composite steel-SFRCsections on Eurocode 4
Abstract :
[en] This paper describes the model for the compressive stress-strain behaviourof steel-fibre reinforced concrete (SFRC) in Annex L of the new Eurocode 2(CEN, Eurocode 2: Design of concrete structures. Part 1-1: General rules– Rules for buildings, bridges and civil structures, prEN 1992-1-1: 2022;EC2 in short), developed within CEN TC250/SC2/WG1/TG2 – Fiber rein-forced concrete. The model uses functions obtained from correlations withan extensive database comprised of 197 well-documented SFRC compres-sive tests and 484 flexural tests. We detailedly explain the model and derive the strain values for the parabola-rectangle model for ULS of SFRC in An-nex L. In addition, we also use the model and the correlations with thedatabase to provide a link between the compressive and the flexural perfor-mance classes in EC2, which allows a complete definition of any particularSFRC. Likewise, we derive parabola-rectangle strain values for each flexuralperformance class, which is mainly advantageous for the stronger flexuralperformance classes. Finally, we give an example showing the enhancementin strength and ductility of a composite steel-SFRC section endorsed withthe new model, which results of 15% and 100%, respectively.
Research center :
Universidad de Castilla-La Mancha
Disciplines :
Civil engineering
Author, co-author :
Ruiz, Gonzalo;  Universidad de Castilla-La Mancha UCLM
de la Rosa, Angel;  UCLM
Poveda, Elisa
Zanon, Riccardo;  ArcelorMittal
Schäfer, Markus ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Wolf, Sebastian;  ArcelorMittal
External co-authors :
yes
Language :
English
Title :
Compressive behaviour of steel-fibre reinforced concrete in Anne2605-1729x L of new Eurocode 2
Publication date :
December 2022
Journal title :
Hormigón y Acero
ISSN :
0439-5689
eISSN :
2605-1729
Special issue title :
Hormigón y Acero
Peer reviewed :
Peer reviewed
Focus Area :
Physics and Materials Science
Funders :
Ministerio deCiencia e Innovaci ́on, Spain, through grants PID2019-110928RB-C31 and RTC-2017-6736-3, and theJunta de Comunidades de Castilla-La Mancha, Spain, throughgrant SBPLY/19/180501/000220
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