前 言 无产阶级文化大革命以来,我省渣油、沥青路面的建设事业不断地发展,油路里程日益增多,但是,由于基层稳定性及强度等方面的原因,各地区近年所筑油路,出现了不同程度的早期损坏现象,引起了油路管理、施工、养护和科研部门的普遍重视。 Introduction Since the Great Proletariat Cultural Revolution, the construction of residual oil and asphalt pavement in our province has been continuously developing and the mileage of oil routes has been increasing. However, due to the reasons such as the stability and strength of grassroots units, the oil routes built in various regions in recent years have emerged Different degrees of early damage have aroused widespread attention in oil pipeline management, construction, maintenance and research departments.