Strength And Ductility Of Wrapped HSC Columns Under Eccentric Loads


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Title: Strength And Ductility Of Wrapped HSC Columns Under Eccentric Loads


Publication: CIA



Appears on pages(s):


Date: 2/13/2011

Previous studies proved that the application of FRP can eliminate some unwanted properties of high strength concrete, such as the brittle behaviour of high strength concrete. However, research studies conducted so far on external confinement of concrete columns have mainly concentrated on concentric loading. This paper investigates the performance of externally confined high strength concrete columns subjected to eccentric loading and evaluates the effectiveness of two confinement materials-Carbon fibre and Eglass. The contribution of external confinement with FRP to the increase of the strength of concrete columns depends on few factors, for example, the number of layers; the type of confining materials and the bond between the fibres and the concrete. The layout of fibres is another variable, which contributes much to the behaviour of confinement effectiveness when bending action is introduced. The enhancement of the strength of the plain column specimens under eccentric loading is not so pronounced as for the reinforced concrete specimens under concentric loading.

Concrete Institute of Australia, International Partner Access.

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