Strengthening of Shear Deficient RC T-Beams with Externally Bonded FRP Sheets
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

Research Paper | Civil Engineering | India | Volume 3 Issue 7, July 2014

Strengthening of Shear Deficient RC T-Beams with Externally Bonded FRP Sheets

Abhishek Kumar Karna

This study deals with experimental investigation for enhancing and strengthening structurally deficient T-beams by using an externally bonded fiber reinforced polymer (FRP). The rehabilitation of existing reinforced concrete (RC) bridges and building becomes necessary due to ageing, corrosion of steel reinforcement, defects in construction/design, demand in the increased service loads, and damage in case of seismic events and improvement in the design guidelines. Fiber-reinforced polymers (FRP) have emerged as promising material for rehabilitation of existing reinforced concrete structures. The rehabilitation of structures can be in the form of strengthening, repairing or retrofitting for seismic deficiencies. RC T-section is the most common shape of beams and girders in buildings and bridges. Shear failure of RC T-beams is identified as the most disastrous failure mode as it does not give any advance warning before failure. The shear strengthening of RC T-beams using externally bonded (EB) FRP composites has become a popular structural strengthening technique, due to the well-known advantages of FRP composites such as their high strength-to-weight ratio and excellent corrosion resistance. This study assimilates the experimental works of glass fiber reinforced polymer (GFRP) retrofitted RC T-beams under symmetrical four-point static loading system. An innovative method of anchorage technique has been used to prevent these premature failures, which as a result ensure full utilization of the strength of FRP.

Keywords: FRP, GFRP, CFRP, AFRP, CB

Edition: Volume 3 Issue 7, July 2014

Pages: 461 - 463

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Abhishek Kumar Karna, "Strengthening of Shear Deficient RC T-Beams with Externally Bonded FRP Sheets", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=20141020, Volume 3 Issue 7, July 2014, 461 - 463

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