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Research and innovation | REF: IN133 V1

New system for strengthening structures made of reinforced concrete, wood and eco-steel

Authors: Emmanuel FERRIER, Laurent Michel

Publication date: December 10, 2011

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5. Application to composite-reinforced steel beams

The new reinforcement system is used for three steel beams. The first and second are reinforced in compression by a CFC plate bonded with epoxy resin and an alternating epoxy-polyurethane resin respectively. The third is reinforced by a CFC-PRF plate bonded with epoxy resin.

5.1 Beam geometry

For all three types of beam, the chosen metal profile is IPE100. The beams have a total length of 3 m, with a clear span of 2.8 m. The CFC slab is 3 m long, 200 mm wide and 46 mm thick. The mixed CFC-PRF reinforcement is 3 m long, 95 mm wide and 35 mm thick ( 7 ). Reinforcement is provided by two glass composite reinforcements with a diameter of 10 mm and a carbon...

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