Reference : Steel-fibre reinforced concrete in compo-site structures as a mean to increase re-sis...
Scientific journals : Article
Engineering, computing & technology : Civil engineering
Physics and Materials Science
http://hdl.handle.net/10993/53376
Steel-fibre reinforced concrete in compo-site structures as a mean to increase re-sistance and ductility
English
[de] Steigerung der Tragfähigkeit und Duktilität für Verbundkonstruktionen aus Stahl und Beton durch Anwendung von Stahlfaserbeton – eine neue Generation von Verbundtragwerken
Zanon, Riccardo mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)]
Schäfer, Markus mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
Ruiz, Gonzalo mailto [Universidad de Castilla-La Mancha > ETS de Ingenieros de Caminos, C. y P.]
de la Rosa, Angel mailto [Universidad de Castilla-La Mancha > ETS de Ingenieros de Caminos, C. y P.]
8-Dec-2022
Stahlbau
Ernst & Sohn/Wuley
91
12
Stahlbau
801-811
Yes
International
Berlin
Germany
[en] Composite beams ; Steel-fibre reinforced concrete (SFRC) ; Strain-limited resistance
[en] Steel-fibre reinforced concrete is a well-known material used for decades for industrial floorings, shot-crete, or other specific applications. Its use is now spreading in structural applications as a complement or a substitute for conventional bar-reinforced concrete since the normative framework is ready to provide design approaches for several concrete applications. Nevertheless, some adaptations are needed for implementing steel-fibre reinforced concrete in the design approach for steel-concrete composite struc-tures whereby complementary aspects need to be considered. In this field, besides the increase of tensile properties and durability of the concrete member, a very important contribution may be given by the in-crease of the concrete ductility in compression. This property is conferred by the steel fibres which pro-vide a confinement effect increasing the plastic damage that the concrete matrix can absorb. If this prop-erty is widely accepted, its benefits are limited for the design of conventional concrete sections. Con-versely, for composite sections, the possibility to reach higher strains in compression means ensuring full exploitation of the strength capacity of structural steel. Besides reaching an optimization of already in-use cross-sections, this new material combination enhances the use of higher structural steel strengths in composite structures.
http://hdl.handle.net/10993/53376
10.1002/stab.202200070
https://onlinelibrary.wiley.com/doi/pdf/10.1002/stab.202200070

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