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dc.contributor.authorGowda, Chandan Chinnagiripor
dc.contributor.authorBarros, Joaquim A. O.por
dc.identifier.citationGowda, C. C., & Barros, J. A. O. (2016). Exploring NSM technique for torsional strengthening of tubular type RC structures. Paper presented at the Proceedings of the 11th fib International PhD Symposium in Civil Engineering, FIB 2016.-
dc.description.abstractThe present paper explores, by advanced numerical simulations, the potentialities of the Near Surface Mounted (NSM) technique for the torsional strengthening of thin walled tubular type reinforced con-crete (RC) elements. According to this technique, fibre reinforced polymer (FRP) laminates are intro-duced into thin grooves opened on the concrete cover of the RC elements. A 3D multidirectional smeared crack model available in FEMIX computer code is used for the numerical simulations, and its predictive performance for capturing the behaviour of this type of elements was assessed by simulating experimental tests available in the literature. This model was then used to determine the influence of the variation of longitudinal reinforcement, transverse reinforcement and the concrete compressive strength on the torsional behaviour of thin walled tubular RC elements, with the focus on torque-angle of rotation response. The effect of the variation of the FRP’s modulus of elasticity is also investigated. The results allow to conclude that the proposed NSM strengthening technique is effective in increasing the stiffness and the load carrying capacity, as well as in arresting crack propagation of the strengthened tubular RC elements.por
dc.description.sponsorshipThe authors acknowledge the support of Marie Curie Initial Training Network under the project “ENDURE” with reference number 607851, funded by the EU programme: FP7-people. The study reported in the paper is a part of ongoing PhD research for the project ENDURE.por
dc.publisherA.A. Balkema Publisherspor
dc.titleExploring NSM technique for torsional strengthening of tubular type RC structurespor
oaire.citationConferenceDate29-31 August 2016por
oaire.citationConferencePlaceTokyo, Japanpor
oaire.citationTitleProceedings of the 11th fib International PhD Symposium in Civil Engineeringpor
dc.subject.fosEngenharia e Tecnologia::Engenharia Civilpor
sdum.conferencePublicationProceedings of the 11th fib International PhD Symposium in Civil Engineeringpor
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