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Computers and Concrete Volume 16, Number 1, July 2015 , pages 001-16 DOI: https://doi.org/10.12989/cac.2015.16.1.001 |
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Finite element analysis of longitudinal reinforcement beams with UHPFC under torsion |
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Thaer Jasim Mohammed, B.H. Abu Bakar, N. Muhamad Bunnori
and Omer Farouk Ibraheem
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| Abstract | ||
| The proposed techniques to strengthen concrete members such as steel plates, polymers or concrete have important deficiencies in adherence and durability. The use of UHPFC plates can overtake effectively these problems. In this paper, the possibility of using UHPFC to strengthen RC beams under torsion is investigated. Four specimens of concrete beams reinforced with longitudinal bars only were tested under pure torsion. One of the beams was considered as the baseline specimen, while the others were strengthened by ultra-high-performance fiber concrete (UHPFC) on two, three, and four sides.Finite element analysis was conducted in tandem with experimental work. Results showed that UHPFC enhances the strength, ductility, and toughness of concrete beams under torsional load, and that finite element analysis is in good agreement with the experimental data. | ||
| Key Words | ||
| reinforced concrete; torsion; finite element; strengthen; UHPFC | ||
| Address | ||
| Thaer Jasim Mohammed : School of Civil Engineering, Universiti Sains Malaysia, Engineering Campus,14300 Nibong Tebal, Pulau Pinang, Malaysia Thaer Jasim Mohammed, B.H. Abu Bakar, N. Muhamad Bunnori and Omer Farouk Ibraheem : Middle Technical University, Institute of Technology, Baghdad, Iraq | ||