Behavior of CFRP Confined Concrete under Axial Compression

Behavior of CFRP Confined Concrete under Axial Compression
Authors : N. Vallalperumal, Dr. B. Vidivelli
Publication Date: 25-09-2014


Author(s):   N. Vallalperumal, Dr. B. Vidivelli

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol. 3 - Issue 9 (September - 2014)

e-ISSN:   2278-0181


The strengthening techniques of RC column using carbon fiber reinforced polymer fully wrap are used to strengthen the columns. This technique is simple to use and has many advantages over other available methods. The CFRP wrap enhances the axial load carrying capacity and the ductility of RC column. This paper deals with Experimental and analytical studies of different parameters on RC columns wrapped with carbon fiber reinforced polymer (CFRP) are taken and investigated. A total of three columns were prepared and wrapped with CFRP cloth of thickness 0.35 mm. In which two are control specimens and rest are wrapped specimens. In this topic we study the combined effect of internal steel ties and external CFRP band ties. The columns were tested under axial compression, the results demonstrated significant enhancement in the compressive strength, stiffness and ductility of the CFRP wrapped RC column as compared to unconfined RC column were identified and discussed. The ultimate stress and strain, load vs deflection of confined and conventional concrete were compared with experimental results.


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