Madhavan, Mahendrakumar and V, Sanap
(2015)
Flexural Strengthening of Structural Steel Angle Sections Using CFRP: Experimental Investigation.
In: Seventh International Conference on ThinWalled Structures, 28 September - 2 October 2015., Busan, Korea.
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Abstract
An experimental study on the ultimate load behavior of steel angle sections reinforced with carbon-fiber-reinforced polymer (CFRP) is described in this paper. An approach of transforming the open-angle section to a closed section is used with CFRP as a means to increase the flexural stiffness and strength. A total of 30 steel angle sections, both CFRP-reinforced and bare steel angle specimens, were tested in 4-point bending. The slenderness ratio (b/t), different CFRP layers, and orientation of CFRP are the parameters included in this work. The failure behavior of CFRP-strengthened angle sections is closely studied for various wrapping configurations. The results indicate a significant increase in stiffness and strength of steel angle sections when appropriate reinforcement pattern and adequate number of CFRP layers are used. (C) 2015 American Society of Civil Engineers.
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