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Numerical analysis on response of reinforced concrete columns strengthened with CFRP sheets including bond-slip



Title: Numerical analysis on response of reinforced concrete columns strengthened with CFRP sheets including bond-slip
Author(s): T. Wang, Y. Liu, L. Wang
Paper category : conference
Book title: International Conference on Advances in Concrete and Structures
Editor(s): Ying-shu Yuan, Surendra P. Shah and Heng-lin Lü
Print-ISBN: 2-912143-41-1
e-ISBN: 2351580176
Publisher: RILEM Publications SARL
Publication year: 2003
Pages: 675 - 683
Total Pages: 9
Nb references: 15
Language: English


Abstract: 
This paper presents a general approach to deal with the failure analysis of reinforced concrete columns strengthened with carbon-fiber-reinforced plastic (CFRP) sheets including bond-Slip. It is based on the yield design theory with a mixed modeling of the structure, according to which, firstly, the concrete material and the longitudinal reinforcing bars are treated as classical three-dimensional continuum and in shear reinforced zones both the shear CFRP sheets and transverse reinforcing bars are incorporated in the analysis through a homogenization procedure and they are only in tension; Secondly, the finite element in the footing is flexibility-based, but in the column it is stiffness-based. The method is then implemented numerically by means of the finite-element formulation, thus produces accurate estimates for the response of the concrete members strengthened with CFRP sheets taken ad an illustrative application. Numerical predictions are in good agreement with the experimental results.


Online publication: 2003-08-10
Publication type : full_text
Public price (Euros): 0.00


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