CFRP strips for enhancing flexural performance of RC beams by SNSM strengthening technique

Hosen, Md Akter and Jumaat, Mohd Zamin and Alengaram, Ubagaram Johnson and Ramli Sulong, Nor Hafizah (2018) CFRP strips for enhancing flexural performance of RC beams by SNSM strengthening technique. Construction and Building Materials, 165. pp. 28-44. ISSN 0950-0618, DOI

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Side Near Surface Mounted (SNSM) strengthening technique is among the latest technique introduced recently. In this paper, SNSM carbon fiber reinforced polymer (CFRP) strips strengthening technique is proposed for enhancing the flexural performance of reinforced concrete (RC) beams. A total of seven RC beam specimens were tested: one un-strengthened control specimen, and six specimens strengthened by SNSM-CFRP strips. All beam specimens were tested under four-point bending. Analytical prediction methods were used to verify the experimental results. The load, mid-span, deflection, and strains data were recorded until failure of the specimens. The ductility, stiffness, and energy absorption capacity of the strengthened specimens by CFRP strips were enhanced due to SNSM technique. The results also showed that the SNSM-CFRP strips strengthening technique significantly enhanced the first cracking, yield, and ultimate load capacities up to 153%, 108%, and 147% respectively, compared with that of the control beam. Further, the comparison between the experimental and predicted values shows good agreement.

Item Type: Article
Funders: University of Malaya Research Grant under Account No- RP037A-15AET (Enhancement of Concrete Properties Made from Local Waste Materials Using Nano Particles)
Uncontrolled Keywords: CFRP strips; SNSM; Flexural performance; Ductility; Stiffness; Energy absorption capacity
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Aug 2019 08:24
Last Modified: 07 Aug 2019 08:24

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