Abstract
This study is intended to deal with twelve reinforced concrete beams cast into three categories of Concrete type with Normal, Self Compacted and High Strength Concrete. Two beams of each category have steel fibers and the other used as reference one. Test results are presented in graphs also listed in Tables. Test results indicated that, category of High Strength Concrete beams is the strongest category depending onto the ultimate load capacity and the highest stiffness, followed by the Self Compacted Concrete beams category then the Normal Strength Concrete beams category comes later, with an increase of about (3.6-5.3%). Increasing steel fibers contained in concrete beam section will rise the ultimate load capacity of fiberious concrete beam, an increase of about 36% has been obtained. Increasing steel fiber contained with increasing concrete compressive strength of the fiberious concrete section will help increasing the ultimate load capacity of beam, an increase of about 166% has been noted. Due to continuing in rising the steel fibers contained in fiberious concrete section, the rate of development of ultimate load capacity of the fiberious concrete beam will decrease.
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More From: IOP Conference Series: Materials Science and Engineering
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