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Concrete Slab Strengthening with CFRP Textile Reinforced Shotcrete

 Concrete Slab Strengthening with CFRP Textile Reinforced Shotcrete
Auteur(s): ORCID
Présenté pendant IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013, publié dans , pp. 92-93
DOI: 10.2749/222137813806474345
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This paper reports on a new strengthening system for concrete elements, being composed of carbon- fiber reinforced polymer fabrics (CFRP fabrics) embedded in shotcrete. The strengthening system was...
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Détails bibliographiques

Auteur(s): ORCID
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013
Publié dans:
Page(s): 92-93 Nombre total de pages (du PDF): 8
Page(s): 92-93
Nombre total de pages (du PDF): 8
Année: 2013
DOI: 10.2749/222137813806474345
Abstrait:

This paper reports on a new strengthening system for concrete elements, being composed of carbon- fiber reinforced polymer fabrics (CFRP fabrics) embedded in shotcrete. The strengthening system was evaluated in a test series on full-scale single span slab strips of 6 m length, on a non-strengthened reference specimen and two slab strips with different strengthening ratios. The paper discusses the test results with regard to serviceability limit state (flexural stiffness, crack widths, and admissible loads for given deflection limits), and to ultimate limit state (strengthening ratio, behavior at rupture, post-peak bearing capacity, and ductility). It concludes with some analytical considerations on the structural behavior and bearing capacity of the new strengthening system.

Mots-clé:
ancrage renforcement