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Strengthening of Reinforced Concrete Beam in Shear Zone by Compensation the Stirrups with Equivalent External Steel Plates | ||
| Journal of University of Babylon | ||
| Article 1, Volume 24, Issue 3, 2016, Pages 604-616 | ||
| Authors | ||
| Khamail Abdul-Mahdi Mosheer; Alaa Hadi Hameed Hassoon | ||
| Abstract | ||
| An experimental study on reinforced concrete beams strengthened with external steel plates instead of shear stirrups has been held in this paper. Eight samples of the same dimensions and properties were used. Two of them were tested up to failure and specified as references beams; one with shear reinforcement and the other without shear reinforcement. Another samples without shear reinforcement were tested until the first shear crack occurs, then the samples strengthened on both sides with external steel plates as equivalent area of removed stirrups. The strengthened beams were divided into three groups according to the thickness of plates (1, 1.5, 2) mm, each group involved two beams; one bonded using epoxy and the other bonded using epoxy with anchored bolts. Finally, the strengthened beams tested when using anchored bolts with epoxy glue to bond plates. Where the increasing in maximum load is higher than that in reference beam with no internal stirrups reach to (75.46 –106.13)% and has a good agreement with the control beam with shear reinforcement reach to (76.06 – 89.36)% of ultimate load. | ||
| Keywords | ||
| Strengthening; Reinforced Concrete Beams; steel plates | ||
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