الفهرس 
Title : Strengthening of reinforced concrete deep beams using different techniques
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Abstract
The aim of this study is to investigate the effect of strengthening reinforced concrete deep beams. An experimental study was done using six reinforced concrete deep beams have the same dimensions, But different in the type, Location of strengthening and the ratio of reinforcement. Beams were divided into three groups. The first group included beams strengthened internally by single strut and either vertical or horizontal additional reinforcement. The second group included beams strengthened using double embedded strut or using CFRP as external strengthening. The third group included one beam strengthened using inclined stirrups. The results of the experimental study shown remarkable improvement for using each type of strengthening. By this study comparison between each type of strengthening was done and the optimum type to be used in accordance with parameters of cost and gained load capacity of tested deep beams