Studies on Adhesive Performance of Waste Crumb Rubber Modified Asphalt Mixtures

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Description

At present, material recycling has become one of the most attractive science alternatives, and different recycling methods are now available to specific pavement capability and structural needs. The method that incorporates waste crumb rubber into asphalt concrete was studied. The objective of this study was to investigate and evaluate the fatigue properties in two of the most important factors, that is crumb rubber modifier size and temperature which
influence the performance of asphalt concrete greatly, were discussed by Direct Tensile Test in different temperature. Using UTM25 electro-hydraulic servo-universal testing machine, Uniaxial Direct Tensile Test was conducted on cylindrical specimens with different linearly strain loading rate at different temperature. Through Direct Tensile Test, the result showed the adhesive strengths were significantly enhanced. The recycling of existing waste crumb rubber produces new pavements with considerable savings in material, money, and energy. They
have been used for many years, proving to be both economical and effective in protecting the environment. Furthermore, waste crumb rubber modified asphalt concrete have been found, for the most part, to perform as well as other modified asphalt.

Additional information

Year

2009

Pages

8