Flexural strengthening of structural steel angle sections using CFRP: Experimental investigation

Mahendrakumar Madhavan, Vishwanath Sanap, Riteshkumar Verma, Sivaganesh Selvaraj

Research output: Journal article publicationJournal articleAcademic researchpeer-review

25 Citations (Scopus)


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.

Original languageEnglish
Article number04015018
JournalJournal of Composites for Construction
Issue number1
Publication statusPublished - 1 Feb 2016
Externally publishedYes


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

ASJC Scopus subject areas

  • Ceramics and Composites
  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials
  • Mechanical Engineering


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