Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Influence of reinforcement viscous properties on reliability of existing structures strengthened with externally bonded composites
The time-depending stress transfer in existing structures strengthened with externally bonded fiber reinforced polymer (FRP) systems, due to viscous effects of reinforcement, is analysed in this paper. A new modelling strategy for assessing the long-term response of these composite beams was developed, by assembling two one-dimensional components (existing structural element and external strengthening) and accounting for thin-walled sectional geometry of FRPs. Several numerical experiments dealing with FRP laminates-reinforced concrete (RC) composite beams were performed and the corresponding results were compared with the predictions of the Effective Modulus Method (EM). A relevant stress redistribution between the components of the examined strengthened structures was observed.
Influence of reinforcement viscous properties on reliability of existing structures strengthened with externally bonded composites
The time-depending stress transfer in existing structures strengthened with externally bonded fiber reinforced polymer (FRP) systems, due to viscous effects of reinforcement, is analysed in this paper. A new modelling strategy for assessing the long-term response of these composite beams was developed, by assembling two one-dimensional components (existing structural element and external strengthening) and accounting for thin-walled sectional geometry of FRPs. Several numerical experiments dealing with FRP laminates-reinforced concrete (RC) composite beams were performed and the corresponding results were compared with the predictions of the Effective Modulus Method (EM). A relevant stress redistribution between the components of the examined strengthened structures was observed.
Influence of reinforcement viscous properties on reliability of existing structures strengthened with externally bonded composites
BERARDI V. P. (Autor:in) / FEO L. (Autor:in) / MANCUSI G. (Autor:in) / DE PIANO M. (Autor:in) / Berardi, V. P. / Feo, L. / Mancusi, G. / DE PIANO, M.
01.01.2018
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC:
621
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