Szukana fraza: [Abstract = "It should be noted that the best mechanical performance is obtained for the case of composites materials with cementitious matrix with pre\-wetted fibers. On the other hand, in the case of composites with clayey matrices, pre\-wetting does not improve the mechanical characteristics. It is also noted that the best dimensions of fibers which improve the mechanical characteristics in bending are generally 6 cm for composites with a clay matrix and between 2 and 4 cm for cementitious composites."]

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