الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
One of the most recent fields of study at present is the use of Nano-concrete NC) especially in
concrete elements or concrete beams. This experimental study was presented to indicate the behavior of concrete beams under the use of nano-concrete NC and compare the results of these
beams with other high-strength concrete beams HSC also reinforced with glass fiber bars GFRP at different ratios and different diameters. This study also included the effect of using GFRP bars
in beams ,concrete strains , patterns of cracks, number of cracks, failure mode and deflection ratio . The research consists of two groups of concrete beams , group I consists of four beams in
NC, one of them was reinforced with steel bars and the other three were reinforced with GFRP
bars in different ratios. group II , also consists of four beams in HSC one of them was reinforced with steel bars and the other three were reinforced with GFRP bars in different ratios also. The
nonlinear finite elements program was carried out using ANSYS 14.5 to verify the experimental results for each concrete beam Key Words: Nano-concrete; high strength concrete; glass fiber bars; Nano silica; beams; flexural
.behavior