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我国城市道路沥青路面占80％,而且大多建于70年代的后期,经过十多年的使用破损已很严重,目前90％的主要干道需要逐步翻修,必将产生大量的城市垃圾一废旧沥青混合料(以下简称旧料)。如何合理利用旧料已成为迫切需要解决的问题。旧料的利用有两种方式,一种是低级利用,即不加处理直接利用,如送给农村作燃料(一般含可燃烧的沥青3～8％左右),或用来代替碎石作道路垫层或基层,以及用热
Asphalt pavement in China’s urban roads accounts for 80% of the total, and most of them were built in the late 1970s. After more than a decade of use, the damaged roads have been severely damaged. At present, 90% of the major arterial roads need to be gradually renovated, so a large amount of municipal waste- Material (hereinafter referred to as the old material). How to make rational use of old materials has become an urgent problem to be solved. There are two ways to use old materials, one is low-grade use, that is, the direct use without treatment, such as giving rural fuel (usually containing about 3 to 8% of bitumen combustion), or to replace the gravel for the road Cushion or grassroots, as well as with heat