Abstract— Concrete such widely material is present in different constructions. Nowadays the behaviour the rigid pavement is on the expansion and need more analysis in improvement the properties of concrete. The lack of tensile strength and durability under the severe conditions is one of the orientation or target in this paper. The improvement of the concrete in rigid pavement will be focused on using the fibres, in this case the steel and polypropylene fibres. Fibre reinforcement (depend of type of fibres) is expected to improve the mechanical performance, deformability, fatigue and cracks under the loading. The percent of fibres is oriented to change the brittle failure, and in this paper, we can analyses the different percentage of fibres and difference effect from steel and polypropylene fibres. The comparison of the results will lead us to propose the type and percentage depend of structural characteristics.
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