الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
In recent years, using of fiber- reinforced polymer FRP bars as a substitute for steell reinforcing bars to avoid corrosion is increases. an innovatiive type of bars that conine the advantages of the types ahigh tensile steel bar HTS and glass fiber polymer GFRP and called hybrid steel bars,were used in reinforcing eleven specimens of deep beams to evaluate the performance of concrete deep beam at flexural that reinforced with various types of reinforcement bars therefore eleven one fouth-scale reinforced concrete deep beams were tested.