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Behaviour of heat damaged repaired reinforced SCC cantilever beam using carbon fiber reinforced polymer rope
This study investigated the behaviour of self-compacted cantilever concrete (SCCC) beams exposed to high temperature and repaired using near surface mounted carbon fibre (NSM-CFRP) rope. Nine (SCCC) beam specimens with cross sectional area of (150 mm × 150 mm) and 750 mm in length were constructed and tested. Seven beam specimens were exposed to 400 °C and 500 °C for two hours and then repaired using NSM-CFRP rope. The tested SCCC specimens were divided into four groups to study the effect of temperature, location and number of NSM rope. Results showed that using NSM-CFRP rope as retrofitting or strengthening techniques at the sides of cantilever beam had a significant effect on load-deflection behaviour compared to other techniques. It was concluded that using NSM-CFRP rope as retrofitting or strengthening techniques depend on the number of rope and position of ropes. Moreover, increasing the number of ropes to two at top of the beam had a limited impact upon load capacity. On the other hand, rehabilitated (SCC) beams specimens damaged by heat up to 500 °C for 2 h with two CFRP ropes at sides and top surface exhibited load capacity about 197% and 101%, respectively, as control specimen.
Behaviour of heat damaged repaired reinforced SCC cantilever beam using carbon fiber reinforced polymer rope
This study investigated the behaviour of self-compacted cantilever concrete (SCCC) beams exposed to high temperature and repaired using near surface mounted carbon fibre (NSM-CFRP) rope. Nine (SCCC) beam specimens with cross sectional area of (150 mm × 150 mm) and 750 mm in length were constructed and tested. Seven beam specimens were exposed to 400 °C and 500 °C for two hours and then repaired using NSM-CFRP rope. The tested SCCC specimens were divided into four groups to study the effect of temperature, location and number of NSM rope. Results showed that using NSM-CFRP rope as retrofitting or strengthening techniques at the sides of cantilever beam had a significant effect on load-deflection behaviour compared to other techniques. It was concluded that using NSM-CFRP rope as retrofitting or strengthening techniques depend on the number of rope and position of ropes. Moreover, increasing the number of ropes to two at top of the beam had a limited impact upon load capacity. On the other hand, rehabilitated (SCC) beams specimens damaged by heat up to 500 °C for 2 h with two CFRP ropes at sides and top surface exhibited load capacity about 197% and 101%, respectively, as control specimen.
Behaviour of heat damaged repaired reinforced SCC cantilever beam using carbon fiber reinforced polymer rope
Obaidat, Yasmeen Taleb (author) / Obaidat, Ala’ Taleb (author) / Ashteyat, Ahmed M. (author)
European Journal of Environmental and Civil Engineering ; 26 ; 8002-8017
2022-12-10
16 pages
Article (Journal)
Electronic Resource
Unknown
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