不同因素对高黏复合改性橡胶沥青技术性能的影响  

Effects of Different Factors on Technical Properties of High-viscosity Composite Modified Rubberized Asphalt

作　　者：胡小金 马庆伟 HU Xiao-jin;MA Qing-wei(Shaanxi Road&Bridge Group Co.,Ltd.,Xi'an 710054,Shaanxi,China;Xi'an Highway Research Institute,Xi'an 710065,Shaanxi,China)

机构地区：[1]陕西路桥集团有限公司,陕西西安710054 [2]西安公路研究院,陕西西安710065

出　　处：《筑路机械与施工机械化》2020年第4期20-27,共8页Road Machinery & Construction Mechanization

摘　　要：研究了石油树脂、脱硫剂、不同脱硫胶粉等添加剂和胶粉、SBS改性剂对高黏复合改性橡胶沥青性能的影响,最后拟定高黏复合改性橡胶沥青的不同掺配方案,分析了不同方案下高黏复合改性橡胶沥青的综合性能。结果表明,制备脱硫胶粉时石油树脂最佳掺量为10%,脱硫剂掺量宜为0.3%;2%SBS+15%胶粉的复配方案可用于AC类连续级配,3%SBS+15%胶粉的复配方案可用于SMA类间断级配,4%SBS+20%胶粉的复配方案可用于OGFC类开级配。The effects of additives such as petroleum resin,desulfurizing agent,desulfurized rubber powder,and rubber powder and SBS modifier on the performance of high-viscosity compound modified rubberized asphalt were studied,and different blending schemes for high-viscosity compound modified rubberized asphalt were drawn.The comprehensive performance of high-viscosity composite modified rubberized asphalt under different schemes was analyzed.The results show that the optimal dosage of petroleum resin is 10%,and that of desulfurizing agent is 0.3%;the combination of 2%SBS+15%rubber powder can be used for AC continuous grading,3%SBS+15%rubber powder can be used for SMA intermittent grading,and the 4%SBS+20%rubber powder can be used for OGFC open grading.

关 键 词：路面材料 高黏沥青 橡胶粉 技术性能 

分 类 号：U414.03[交通运输工程—道路与铁道工程]