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Polymers 2015, 7(10), 2044-2060; doi:10.3390/polym7101499

RC Columns Strengthened with Novel CFRP Systems: An Experimental Study

Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II 132, Fisciano (SA) 84084, Italy
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Author to whom correspondence should be addressed.
Academic Editor: Raafat El-Hacha
Received: 4 August 2015 / Revised: 8 September 2015 / Accepted: 10 October 2015 / Published: 19 October 2015

Abstract

This paper presents an experimental study undertaken to investigate the seismic behavior of full scale square (300 mm × 300 mm) reinforced concrete (RC) columns strengthened with novel systems employing carbon fiber-reinforced polymers (CFRP) wraps. Experimental tests were carried out by subjecting specimens to a constant axial load and a cyclically reversed horizontal force applied in displacement control. Results have allowed for investigating the influence of the used strengthening systems on the specimens’ performance in terms of flexural strength and ductility as well as on the exhibited failure modes. The effectiveness of the studied techniques is also evaluated by comparing the performance of tested specimens with that of companion columns strengthened with alternative CFRP systems investigated in a previous experimental campaign. View Full-Text
Keywords: RC columns; FRP composites; external strengthening; experimental tests;strength; ductility RC columns; FRP composites; external strengthening; experimental tests;strength; ductility
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Napoli, A.; Realfonzo, R. RC Columns Strengthened with Novel CFRP Systems: An Experimental Study. Polymers 2015, 7, 2044-2060.

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