论文部分内容阅读
研究了SKW有机温拌剂对SBS改性沥青的物理性能、润湿性能以及对SBS改性沥青混合料性能的影响。结果表明,该温拌剂明显增大了SBS改性沥青的针入度和延度,显著降低了其135℃时的粘度,并提高了其与集料之间的润湿性,而对软化点的影响很小。当温拌剂的掺量为沥青用量的2%时,SBS改性沥青混合料的拌合温度和压实温度可分别降低25℃和35℃,而温拌SBS改性沥青混合料的体积性能、水稳定性和高温稳定性与热拌SBS改性沥青混合料相当。
The effects of SKW organic warm mix agent on the physical properties and wettability of SBS modified asphalt and the properties of SBS modified asphalt mixture were studied. The results showed that the warm mix agent significantly increased the penetration and ductility of SBS modified asphalt, significantly reduced its viscosity at 135 ℃, and increased its wettability with aggregate, and softening The impact of the point is small. When the content of the warm mix agent is 2% of the asphalt content, the mixing temperature and compaction temperature of SBS modified asphalt mixture can be reduced by 25 ℃ and 35 ℃ respectively, while the volumetric performance of warm mix SBS modified asphalt mixture , Water stability and high temperature stability and hot mix SBS modified asphalt mixture.