Flexural Strengthening of Structural Steel Angle Sections Using CFRP: Experimental Investigation

Madhavan, Mahendrakumar and Sanap, Verma and Verma, Riteshkumar and Selvaraj, Sivaganesh (2016) Flexural Strengthening of Structural Steel Angle Sections Using CFRP: Experimental Investigation. Journal of Composites for Construction, 20 (1). ISSN 1090-0268

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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.

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IITH Creators:

IITH Creators	ORCiD
Madhavan, Mahendrakumar	UNSPECIFIED

Item Type:

Article

Additional Information:

The first author would like to thank Uday B. Desai, Director, IIT Hyderabad, for providing funding through a seed grant that made this research possible. The second author would like to thank the Ministry of Human Resources Development (MHRD), Government of India, for providing financial support during “his graduate studies” at IIT Hyderabad. The authors would like to thank James S. Davidson, Auburn University, for a critical review of the manuscript.

Uncontrolled Keywords:

Experimental study, Carbon-fiber-reinforced polymers (CFRPs), Adhesive, Structural steel angle section, Wrapping, Strengthening

Subjects:

Civil Engineering > Structural engineering and underground construction
Civil Engineering > Soil Structure Interaction

Divisions:

Department of Civil Engineering

Depositing User:

Team Library

Date Deposited:

11 Feb 2016 06:09

Last Modified:

09 Oct 2017 09:05