高速公路沥青路面由于地基基础处理不当,路基填筑质量欠佳,桥涵与路基过渡段处理不力,底基层和基层施工质量和结构性能不良,路面材料质量不佳和沥青混合料比例不当等原因,使路面平整度欠佳。但只要采取恰当的处理措施是可以预防和控制的。 The asphalt pavement of expressway has many defects, such as improper ground foundation treatment, poor subgrade filling quality, inefficient treatment of bridges and culverts and subgrade transitional sections, poor construction quality and structural performance of subbase and grassroots, poor quality of pavement materials and improper proportion of asphalt mixture, Poor road surface roughness. However, as long as proper measures are taken, it can be prevented and controlled.