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Published in:
2011 | OriginalPaper | Chapter
Confinement Behaviour of Eccentrically Loaded RCC Columns Using FRP Sheets
Author : Anupam Chakrabarti
Published in: Advances in FRP Composites in Civil Engineering
Publisher: Springer Berlin Heidelberg
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The use of Fiber Reinforced Polymer (FRP) confined reinforced concrete columns are increasing rapidly for new construction as well as rebuilding of concrete structures. Design of these FRP confined concrete columns requires an accurate estimate of the performance enhancement due to the confinement mechanism. Therefore, key issue is to develop a confinement model, which relates the confined concrete strength with the unconfined concrete strength. In the present study, a 3-D finite element model of FRP confined reinforced concrete column under axial and eccentric loading has been developed. The finite element model was developed using the finite element software, ANSYS. Different important parameters have been studied in the present paper: namely, unconfined concrete strength, thickness, orthotropic properties and orientation of FRP layers. The present study has focused on some interesting aspects of these parameters on the confinement effectiveness and has also generated many new results for future reference.