The capability of durable structure to resist weathering action, chemical attack, abrasion and other degradation processes during its service life with the minimal maintenance is equally important as the capacity of a structure to resist the loads applied on it. Although concrete offers many advantages regarding mechanical characteristics and economic aspects of the construction, the brittle behavior of the material remains a larger handicap for the seismic and other applications where flexible

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... behaviour is essentially required. The interest in the use of fibers for the reinforcement of composites has increased during the last several years. Recently, however the development of polypropylene fiber-reinforced concrete (PFRC) has provided a technical basis for improving these deficiencies. A combination of high strength, stiffness and thermal resistance favorably characterizes the fibers. In this study, the results of the Strength properties of Polypropylene fiber reinforced concrete have been presented. This study shows the effect of mechanical properties of concrete in which the compressive strength, split tensile strength, flexural strength and sulphate attack of concrete samples made with different fibers amounts varies from 0%,0.5%,1% 1.5% and 2.0% were studied.