1. Reinforcing or repairing concrete structures by re-concreting

1.1 Principle of concrete reinforcement

Techniques for repairing and strengthening existing reinforced or prestressed concrete structures have become increasingly important over the last few decades, particularly those aimed at increasing the cross-sectional area by coating or adding a new layer of concrete, an alternative of particular interest to engineers (figure 1 ).

Example of reinforcement of a reinforced concrete building structure (Credit Hilti)

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Reinforcing or repairing concrete structures by re-concreting

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Applications

Bibliographical sources

(1) - FIB - Code modèle de la FIB pour les structures en béton - (2010).
(2) - BIRKELAND (P.W.), BIRKELAND (H.W) - Connections in precast concrete construction , - American Concrete Institute, Journal of the American...

Norms and standards

Characterization of pavement texture by use of surface profiles - Part 1: Determination of mean profile depth - EN ISO 13473-1 - 2019
Products and systems for the protection and repair of concrete structures. Test methods Measurement of bond strength by pull-off - EN 1542 - 1999
Design and requirements for construction works of post-installed shear connection for two concrete layers, EOTA - TR 066 - November...

Regulations

Arrêté du 22 octobre 2010 relative à la classification et aux règles de construction parasismique applicables aux bâtiments de la classe dite " à risque normal

Dimensionnement parasismique des éléments non structuraux du cadre bâti - Justification parasismique pour le bâtiment "à risque normal", Ministère de l'Écologie, du Développement durable et de l'Énergie and Ministère du Logement, de l'Égalité...