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脱硫橡胶以其对沥青良好的改性性能得到了较为广泛的应用,本文研究了脱硫胶粉以不同掺量加入到90号沥青中后其改性沥青和混合料性能的变化,并得到了较为明确的结论,认为60目脱硫胶粉的掺量在20%范围内能显著改善沥青和混合料的性能,且最佳掺量宜为20%,同时认为由于掺加脱硫橡胶沥青的改性沥青粘度较高,可采用降粘剂配合使用。
Desulfurized rubber has been widely used as a good modifying agent for asphalt. In this paper, the properties of modified asphalt and its mixture after adding different dosages of desulfurized rubber powder into asphalt are studied. Clearly concluded that the 60 mesh desulfurization rubber powder content within the range of 20% can significantly improve the performance of asphalt and mixture, and the optimal dosage should be 20%, at the same time that due to the addition of desulfurized rubber asphalt modified asphalt High viscosity, viscosity reducer can be used in conjunction.