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Behavior of CFRP-confined concrete cylinders with a compressive steel reinforcement
The paper presents results of an experimental investigations carried out to estimate the cooperation between a steel bar reinforcement and round concrete cylinders confined by a carbon-epoxy composite, concerning the increase in the concrete compression strength due the composite wrapping. The steel bar reinforcement with its yield stress considerably increases the bearing capacity of concrete. This also happens above the unconfined concrete strength of specimens. The onset of reinforcement yielding roughly coincides with reaching of the unconfined concrete strength at a compressive strain of approx 0.20 %, and therefore it does not produce a change in the tangent modulus of the stress-strain relationships above the limit of linearity.
Behavior of CFRP-confined concrete cylinders with a compressive steel reinforcement
The paper presents results of an experimental investigations carried out to estimate the cooperation between a steel bar reinforcement and round concrete cylinders confined by a carbon-epoxy composite, concerning the increase in the concrete compression strength due the composite wrapping. The steel bar reinforcement with its yield stress considerably increases the bearing capacity of concrete. This also happens above the unconfined concrete strength of specimens. The onset of reinforcement yielding roughly coincides with reaching of the unconfined concrete strength at a compressive strain of approx 0.20 %, and therefore it does not produce a change in the tangent modulus of the stress-strain relationships above the limit of linearity.
Behavior of CFRP-confined concrete cylinders with a compressive steel reinforcement
Verhalten von mit kohlefaserverstärktem Kunststoff umwickelter Betonzylinder mit vorgespannter Stahlverstärkung
Tamuzs, V. (author) / Valdmanis, V. (author) / Gylltoft, K. (author) / Tepfers, R. (author)
Mechanics of Composite Materials ; 43 ; 191-202
2007
12 Seiten
Article (Journal)
English
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