高速路面上面层应用MAC改性沥青施工要点

The construction key points application of MAC modified asphalt in upper surface of high speed pavement

MAC改性沥青具有稳定高温粘度和抗老化性能,适用于作为路面表面抗滑层使用。结合某高速公路上面层应用MAC改性沥青的施工案例,总结了采取的原材料质量控制措施,分别说明了混合料拌和、运输、铺摊和压实工序中的施工要点,以期MAC改性沥青得到推广和应用。

This paper elaborated the MAC modified asphalt had stable high temperature viscosity and anti-aging properties,suitable for pavement surface anti-skid layer. At the same time,combining with the construction application of MAC modified asphalt in upper layer of a highway,summarized the quality control of raw materials,explained respectively the key points in mixture mixing,transportation,paving and compaction processes,in order to popularize and apply MAC modified asphalt.