EXPERIMENTAL STUDY ON RETROFITTING OF REINFORCED CEMENT CONCRETE MEMBERS USING FIBER REINFORCED POLYMER WRAPS
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Old concrete buildings and bridges are wearing down across the globe. Weather, repeated stress, rust inside the metal bars, along with earthquakes slowly weaken them - many become unsafe long before they should. Fixing them the usual way works, yet those methods add heavy layers on top and keep structures closed too long. Instead of old fixes like thick steel wraps or making parts thicker, new materials made from fibers and plastic offer better strength gains. These lightweight sheets bond tightly to damaged areas, breathe fresh life into worn beams, last longer against decay, plus avoid messier construction setbacks.
From tests done at Priyadarshini College of Engineering in Nagpur, data came through on how M30 concrete acts when left bare or wrapped with steel fiber sheets. Six cube samples - each 150 mm on every side - and six beam pieces measuring 100 by 100 by 500 mm took shape in the lab. Half of each group stayed untouched before being pushed to failure. The rest got coated in steel fiber mesh glued tightly with epoxy just ahead of stress trials. Strength climbed slightly under squeeze: average numbers jumped from 34.21 to 36.14 newtons per square millimeter - a rise near 5.6 percent. When bent instead of crushed, they showed bigger gains - one step up by nearly thirty-eight percent, going from 3.2 megapascals to 4.4. Such shifts mark wrapped repairs not flashy tricks but solid fixes that last, hold well, cost less.
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Raut, P. N., Narnaware, S. M., Wankhede, S. S., Shende, C. G. & Thulkar, U. D. (2026). Experimental Study on Retrofitting of Reinforced Cement Concrete Members using Fiber Reinforced Polymer Wraps. International Journal of Science, Strategic Management and Technology, 02(04). https://doi.org/10.55041/ijsmt.v2i4.330
Raut, Piyush, et al.. "Experimental Study on Retrofitting of Reinforced Cement Concrete Members using Fiber Reinforced Polymer Wraps." International Journal of Science, Strategic Management and Technology, vol. 02, no. 04, 2026, pp. . doi:https://doi.org/10.55041/ijsmt.v2i4.330.
Raut, Piyush,Sujal Narnaware,Sahil Wankhede,Chirag Shende, and Utkarsh Thulkar. "Experimental Study on Retrofitting of Reinforced Cement Concrete Members using Fiber Reinforced Polymer Wraps." International Journal of Science, Strategic Management and Technology 02, no. 04 (2026). https://doi.org/https://doi.org/10.55041/ijsmt.v2i4.330.
References
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