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The experimental behavior of slabs strengthened byfiber reinforced polymer (CFRP)

Auteurs : HOUDA Amina, ZEDIRA Hamma, REDJEL Bachir
Année : 2016
Domaine : Sciences des matériaux
Type : Communication
Conférence: 7th African Conference on Non Destructive Testing ACNDT 2016 & the 5th International Conference on NDT and Materials Industry and Alloys (IC-WNDT-MI)
Résumé en PDF : (résumé en pdf)
Fulltext en PDF : (.pdf)
Mots clés : Concrete slabs, composites, reinforcement, experiments.

Résumé :

The experimental behaviour of slabsstrengthened by composite fiber reinforced polymer (CFRP)is presented in this paper three concrete slabs of 16 cm x 14cm x 4 cm were made in laboratory conditions. Thedimensions of the patches are calculated so that the ratiopatch XP /YP is proportional to XD/ YD of the slab.Dimensions of the composite patches are: 70x90x1 mm,100x120x1mm, 160x140x1mm, the load is flexionalpunching load. The results given in the form of curves ofloads - displacements measured to the centric of the slabaccording to the force applied; show that the breaking loadand ultimate correspondent displacement are influenced bythe properties of the composite patch and the surface coveredby the composite patch. It is observed that, the breaking loadand ultimate displacement increase with the surface of thepatch and properties of the composite. The third slab havethe best behavior than the rest of slabs, the ratio of thedisplacement between the third and the second slab is 1.39and the ratio between the third and the first slab is 1,95.