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Improving structural performance of concrete beams by U-wrapped basalt fibre: a retrofitting approach

Hamsavathi Kannan (Department of Civil Engineering, National Institute of Technology Puducherry, Karaikal, India)
Soorya Prakash K. (Department of Mechanical Engineering, Anna University Regional Campus Coimbatore, Coimbatore, India)
Kavimani V. (Centre for Material Science, Department of Mechanical Engineering, Karpagam Academy of Higher Education, Coimbatore, India)

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 20 December 2022




The aim of the work is to investigate structural behaviour of reinforced concrete (RF) beam retrofitted with basalt fibre (BF) fabric. The incorporation of BF showed enhancement in bending strength, to increase confinement and to repair damages caused by cracking. In the early decades, using BF for composite materials shaped BF as an excellent physical substance with necessary mechanical properties, highlighting the significant procedures ability.


Specimens were casted with U-wrapped BF and then evaluated based on flexural tests. In the test carried over for flexural fortifying assessment, BF reinforcements demonstrated a definitive quality improvement in the case of the subjected control sample; ultimately, the end impacts depend upon the applied test parameters. From the outcomes introduced in this comparison, for the double-wrapped sample, the modifications improved by 12% than that of the single-wrapped beam, which is identified to subsist for a better strengthening of new-age retrofitting designs.


The current research deals with the retrofitting of RC beam by conducting a comparative experiment on wrapping of BF (single or double BF wrapping) in improving the mechanical behavior of concrete.


It can be shown from the experimental results that increasing the number of layers has significant effect on basalt strengthened beams.



Kannan, H., Prakash K., S. and , K.V. (2022), "Improving structural performance of concrete beams by U-wrapped basalt fibre: a retrofitting approach", World Journal of Engineering, Vol. ahead-of-print No. ahead-of-print.



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