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Structural Engineering and Mechanics Volume 73, Number 4, February25 2020 , pages 381-395 DOI: https://doi.org/10.12989/sem.2020.73.4.381 |
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Analysis of behavior of bare and in-filled RC frames subjected to quasi static loading |
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Balvir Sandhu, Shruti Sharma and Naveen Kwatra
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| Abstract | ||
| Study on the inelastic response of bare and masonry infilled Reinforced Concrete (RC) frames repaired using Carbon Fibre Reinforced Polymers (CFRP) and Glass Fiber Reinforced Polymers (GFRP) subjected to quasi- static loading is presented in the work. The hysteresis behaviour, stiffness retention, energy dissipation and damage index are the parameters employed to analyze the efficacy of FRP strengthening of bare and brick in-filled RC frames. It is observed that there is a significant improvement in load carrying capacity of brick infilled frame over bare RC frame. Also FRP strengthened brick infilled frame performs much better than FRP repaired bare frame under quasi static loading. Repair and retrofitting of brick infilled RC frame shows an improved load carrying and damage tolerance capacity than control frame. | ||
| Key Words | ||
| retrofitting; RC frame; brick infill; damage index; GFRP; CFRP; FRF | ||
| Address | ||
| Department of Civil Engineering, Thapar University, Patiala, Punjab, India-147004 | ||