自1972年世界性石油危机发生以后,各国道路部门预感到沥青材料来源的紧缺以及对环境保护等考虑,对旧沥青路面再生利用问题引起了高度重视。经过多年研究试验,旧沥青路面再生技术在许多国家迅速发展。我国公路部门在七十年代曾在养护工作中回收 Since the world oil crisis in 1972, the road safety departments in various countries have foreseen the shortage of sources of asphalt materials and their consideration of environmental protection, which have given priority to the recycling of old asphalt pavement. After many years of research, old asphalt pavement regeneration technology has developed rapidly in many countries. Our country’s highway department was recovered in conservation work in the seventies