A STUDY OF TECHNIQUES FOR THE USE OF RECYCLED POROUS ASPHALT MIXTURES

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  • 排水性アスファルト混合物の再生利用技術に関する検討

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Decision on the use of recycled aggregates depends on the aging measured by penetration of the recovered asphalt. However, it is difficult to make correct evaluation of aging of asphalt recovered from waste porous pavement materials because properties of high viscosity modified asphalt change during extraction / recovery process. In this research, a method on the use of Cantabro test to measure aging of waste porous pavement mixture to determine the usability as well as amount of rejuvenator is presented. Furthermore, properties and durability of porous pavement mixtures prepared using materials obtained by this method and virgin materials were well compared.

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