Paper published in a book (Scientific congresses, symposiums and conference proceedings)
Model for the Compressive Behaviour of Steel-Fibre Reinforced Concrete in New Eurocode 2, Annex L
Ruiz, Gonzalo; De La Rosa, Ángel; Poveda, Elisaet al.
2023 • In Ilki, Alper; Çavunt, Derya; Çavunt, Yavuz Selim (Eds.) Building for the Future: Durable, Sustainable, Resilient - Proceedings of the Symposium 2023 - Volume 1
combined compression/flexural classification for any SFRC; Compressive model for SFRC in Annex L of new Eurocode 2; impact of the ductility and toughness enhancement of SFRC on composite beams; relevant strains for ULS calculation; Combined compression/flexural classification for any steel-fiber reinforced concrete; Composite beam; Compressive model for steel-fiber reinforced concrete in annex L of new eurocode 2; Ductility enhancement; Eurocode2; Impact of the ductility and toughness enhancement of steel-fiber reinforced concrete on composite beam; Relevant strain for ULS calculation; Steel fiber reinforced concretes; Toughness enhancement; Civil and Structural Engineering
Abstract :
[en] This work describes the new compressive stress-strain model for non-linear analysis of steel-fibre reinforced concrete (SFRC) in the new Eurocode 2, Annex L (version 2022–05), developed within task group CEN TC250/SC2/WG1/TG2—Fibre reinforced concrete. The new model takes advantage of the substantial deformation capability increase given by the fibres’ reinforcement to any base concrete. The model is grounded on a multivariate analysis that correlates an extensive database of 197 well-documented SFRC compressive tests and 484 flexural tests. The model and the results of the correlations with the database also allow us to link the flexural performance classes in Annex L and the SFRC compressive strength, which permits a complete classification of any material. Finally, we give an example of the application of the model that shows the enhancement in ductility and strength of a composite steel-SFRC beam section.
Disciplines :
Civil engineering
Author, co-author :
Ruiz, Gonzalo ; ETSI Caminos, C. y P.—Universidad de Castilla-La Mancha, Ciudad Real, Spain
De La Rosa, Ángel ; ETSI Caminos, C. y P.—Universidad de Castilla-La Mancha, Ciudad Real, Spain
Poveda, Elisa ; ETSI Caminos, C. y P.—Universidad de Castilla-La Mancha, Ciudad Real, Spain
ZANON, Riccardo ; University of Luxembourg ; ArcelorMittal Fibres, Bissen, Luxembourg
Schäfer, Markus ; University of Luxembourg, Luxembourg, Luxembourg
Acknowledgements. The authors gratefully acknowledge the financial support from the Ministerio de Ciencia e Innovación, Spain, through grants PID2019-110928RB-C31 and RTC-2017-6736-3, and the Junta de Comunidades de Castilla-La Mancha, Spain, through grant SBPLY/19/180501/000220.
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