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Crack opening estimate in reinforced concrete walls using a steel–concrete bond model

Mang C., Jason L., Davenne L.

Archives of Civil and Mechanical Engineering

2016

Vol. 16, no. 3

422--436

This paper presents the application of a new steel–concrete bond model on a reinforced concrete shear wall, experimentally tested during the French National Project CEOS.FR. The proposed results include both global (evolution of the force as a function of the displacement for example) and local results (crack opening and spacing). A new post-processing method to compute these local properties even in a case of a complex crack pattern (oriented cracks for example) is proposed. It is based on the change in the sign of the bond slip between steel and concrete. The simulated results are in a good agreement with the experiment and validate the developments. Finally, the interest of including a specific steel–concrete bond model in the finite element simulation is highlighted, compared to classical “no-slip” relation.