COMPARATIVE STUDY OF PARTIALLY WRAPPED RC BEAMS AT DIFFERENT SPACINGS (2022)
Jahnavi. Y, Satya Durga. K1, Ajay Shankar1 b, Teja, Pavan Sai Krishna, Prajna Bharati JCR. 2022: 203-212
In the present study the strength behavior of strengthening includes FRP wrapping, concrete jacketing etc. Using the RC beam wrapped partially with the FRP sheets is studied. For this an RC beams of size 100mm × 100mm × 500mm is reinforced with 4 # 8mm diameter steel bars are casted. The RC beam is wrapped with strips of GFRP sheets at different spacings of constant FRP sheet material area. Strength properties of partially wrapped beams are compared with the control beams (CB) without GFRP wrapping. Comparative study is carried out between the partially wrapped GFRP beams with different spacings. An increase in load carrying capacity is observed in partially wrapped beams comparison with controlled i.e., 9% increase in double wrapped beams and 16% increase in triple wrapped beams after 7 days test and 3.2% increase in double wrapped beams and 4.8% increase in triple wrapped beams after 28% test.
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