Adding passive reinforcement
Bridge reinforcement or repair project. Usage of reiforcements

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Adding passive reinforcement


Bridge reinforcement or repair project. Usage of reiforcements

Authors : Daniel POINEAU, Jean-Armand CALGARO

Publication date: May 10, 2010 | Lire en français

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2. Adding passive reinforcement

The reinforcement of concrete structures can involve, on the one hand, reinforced concrete reinforcement (in steel or composite materials) which is integrated into the concrete of the structure (internal passive reinforcement) and, on the other hand, passive reinforcement (metal sheets or flat sheets and fabrics in composite materials) bonded to the surface of the concrete (external passive reinforcement).

2.1 Adding reinforced concrete

Once the existing concrete has been transplanted (and any damaged concrete removed), passive steels are laid out and bonded to the structure using shotcrete or cast-in-place concrete (or mortar). These steels are connected to the structure using seaming steels, dimensioned according to the "seaming rule", which treats the interface...

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