7. Conclusion

Pouring fresh concrete against existing, hardened concrete is a common operation in building and civil engineering construction. In fact, it's an application that's encountered at every rework joint in construction work. Based on this principle, reinforcement with concrete layers has been gaining in importance in recent years, due to the growing need to rehabilitate and renovate existing structures.

Of course, when designing these structural elements, the transfer of internal forces across the resumption surface (the interface between the new and old concrete) is a critical point in the design.

For this reason, a new design and dimensioning method has been developed, based on shear tests specially carried out for this purpose and for different types of surface treatment. A number of applied research projects have contributed to the development...

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Conclusion

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page Implementation

Glossary

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...