Abstract
The present experimental paper studies the mechanical and physical properties of concrete in which tyre rubber aggregate is incorporated. From this study, one can conclude that the presence of tyre rubber aggregates (RG) significantly reduces the velocity of ultrasonic waves in concrete added with RG. This composite has the potential to dampen vibration, which may be of particular use of sound insulation. Furthermore, the incorporation of RG significantly reduces the kinetics of ultrasonic pulses in concrete. This reduction is mainly attributed to the decrease in density the composite and the presence of water and air pores in the material. With such a damping capacity of waves in general and more specifically mechanical vibrations, it is worth considering the use of this composite in the applications such as noise walls of arterial roads, as the foundation of rails gear wheel or foundation for vibrating machines, etc. From this study, we conclude, that the benefit of using waste tyre rubber could be greatly appreciated to preserve environment and to discover other new concrete composites.
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