基于硫磺改性的温拌沥青混合料压实特性研究

Study on Compaction Characteristics of Warm Asphalt Mixture Based on Sulfur Modification

0引言 目前，中国正处在道路建设与维修的大发展时期，每年生产的热拌沥青混合料超过数亿万吨，由于热拌沥青混合料必须在较高的温度下才能拌和及施工，不仅消耗大量能源，还会排放出大量废气（如CO、CO2、SO2及NOx类等）和粉尘，影响周围的环境质量。

The temperature-lowering effect of SEAM modified asphalt mixture is studied.Sasobit, the modifier,is added into the SEAM modified asphalt mixture,and the influence on compaction characteristics is researched in terms of Marshall tests at different temperatures.The result indicates that the temperature of asphalt mixture mixed with SEAM and Sasobit is 20℃-30℃lower than hot mix asphalt,and the warm mix asphalt is of good compaction characteristics,