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Experimental Study of Shear Failure of Damaged RC Beam Strengthened with GFRP

Swapnil B. Shinde*

Maharshi Karve Stri Shikshan Sanstha Dr. Bhanuben Nanavati College of Architecture for Women, Pune, Maharashtra, India.

Periodicity:January - March'2024
DOI : https://doi.org/10.26634/jste.12.4.20861

Abstract

This study investigates the shear failure characteristics of reinforced concrete (RC) beams retrofitted with Glass Fiber Reinforced Polymer (GFRP) sheets. Fifteen RC beams were initially tested for shear capacity and then retrofitted using various GFRP wrapping techniques, including full wrapping, U-shaped wrapping, side wrapping, vertical alignment, and 45-degree inclined wrapping. The results revealed significant enhancements in shear capacity, with vertical alignment wrapping showing the highest increase. The study concludes that GFRP wrapping is an effective and economical method for retrofitting shear-deficient RC beams, contributing to improved structural safety.

Keywords

Shear Failure, Damaged Reinforced Concrete (RC) Beam, GFRP Wrapping, Retrofitting, Flexural Failure.

How to Cite this Article?

Shinde, S. B. (2024). Experimental Study of Shear Failure of Damaged RC Beam Strengthened with GFRP. i-manager’s Journal on Structural Engineering, 12(4), 1-9. https://doi.org/10.26634/jste.12.4.20861

References

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[2]. Krupa, Patel, H., & Shah, D. (2019). Strengthening of reinforced concrete beams with fiber reinforced polymer sheets with different configurations in shear and flexure: A critical review. International Journal of Research and Analytical Reviews, 6(2), 102-106.

[3]. Lam, L., Hussain, Q., Joyklad, P., & Pimanmas, A. (2015, April). Behavior of RC deep beams strengthened in shear using glass fiber reinforced polymer with mechanical anchors. In Proceedings of the International Conference on Environment and Civil Engineering (ICEACE'2015), Pattaya, Thailand (Vol. 24).

[4]. Rambabu, G., Prudhvija, P., & Kumar, K. S. (2016). Strengthening of reinforced concrete beams using glass fiber reinforced polymer. International Journal of Research and Development Organization, 2(3), 8-16.

[5]. Sam, R. S. F., & Sruthi, M. S. (2016). Behaviour of R.C beam and glass fiber reinforced polymer composite beam for shear strength. International Journal of Engineering Research & Science, 2(5), 133-141.

[6]. Satpute, A. S., & Varma, M. B. (2017). Retrofitting of beams using externally bonded glass fiber reinforced polymer (GFRP) wraps. Journal of Mechanical and Civil Engineering, 14(2), 1-12.

[7]. Vasudeva, R., & Kaur, M. (2016). Retrofitting of RC beams using glass fiber reinforced polymer sheets: An experimental study. Indian Journal of Science and Technology, 9(44), 1-11.

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Experimental Study of Shear Failure of Damaged RC Beam Strengthened with GFRP

Abstract

Keywords

How to Cite this Article?

References

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