平整度是衡量沥青路面工程质量好坏的重要指标,直接影响行车的安全性、舒适性,路面不平顺同时会加剧汽车零部件及轮胎的损坏,并增大油料消耗,也会加速路面的破坏。文章以呼和浩特绕城高速公路的施工经验,阐述了影响路面平整度的诸多因素中的路面横向接缝和桥头处理的施工技术。 Flatness is a measure of asphalt pavement engineering quality is an important indicator of quality, a direct impact on driving safety, comfort, uneven road at the same time will exacerbate the damage to auto parts and tires and increase fuel consumption, but also accelerate the destruction of the road . The article takes the construction experience of Hohhot Ring City Expressway and expounds the construction technology of the horizontal joints and the bridge head among the many factors that affect the smoothness of the road.