Flexural and shear/punching strengthening of RC beams/slabs using hybrid NSM-ETS technique with innovative CFRP laminates

J. Barros, M. Rezazadeh, I. Costa, H. Baghi, M. R.M. Hosseini, M. Mastali, J. Laranjeira

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

In this study, the potentialities of an innovative hybrid technique for the simultaneous flexural and shear/punching strengthening of existing Reinforced Concrete (RC) beams/slabs are experimentally assessed. This hybrid strengthening technique combines the NSM technique for the flexural strengthening and ETS technique for the shear/punching strengthening purposes in the same application using new U-shape CFRP laminates. For this purpose, two experimental programs composed of RC beams and RC slabs were executed for a first assessment of the strengthening potentialities of this hybrid technique and CFRP laminates. The obtained results for the tested RC beams evidence that the proposed hybrid technique provides, in addition of simultaneous flexural and shear strengthening and better bond performance for the ETS and NSM CFRPs, a higher resistance to the susceptibility of occurring premature failure modes. Moreover, this technique provided a significant improvement in terms of ultimate load carrying and deflection capacity of RC slab.

Original languageEnglish
Title of host publicationInsights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016
EditorsAlphose Zingoni
PublisherCRC Press/Balkema
Pages1500-1505
Number of pages6
ISBN (Print)9781138029279
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes
Event6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016 - Cape Town, South Africa
Duration: 5 Sep 20167 Sep 2016

Publication series

NameInsights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016

Conference

Conference6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016
CountrySouth Africa
CityCape Town
Period5/09/167/09/16

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