脱油沥青与SBS复合改性沥青高温性能研究
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摘要
文章采用脱油沥青和SBS制备一种新型的复合改性沥青,以期充分发挥两者的优势,同时避免单掺时的缺点,为我国沥青路面高温车辙病害等问题提供一种新的解决思路。结果表明:不同种类脱油沥青的掺入均能提高改性沥青的高温性能,随着脱油沥青掺量或SBS掺量的增加,改性沥青的软化点、135℃旋转黏度及76℃车辙因子随之增大,沥青混合料AC-13的60℃动稳定度也增大,高温性能明显改善;最终优选出高温性能优良且技术经济性优势明显的脱油沥青与SBS复合改性沥青,其配方为:基质沥青:脱油沥青C:SBS=100%∶30%∶4%。
This article adopts the deoiled asphalt and SBS to prepare a new type of composite modified asphalt,in order to give full play to the advantages of both and to avoid the shortcomings of single mixing,thus providing a new idea for solving the problems such as high-temperature rutting of asphalt pavement in China.The results show that the adding of different types of deoiled asphalt can all improve the high-temperature performance of modified asphalt,and,with the increase of deoiled asphalt content or SBS content,the softening point of modified asphalt,135℃ rotational viscosity and 76℃rutting factor are all increasing correspondingly,the 60℃ dynamic stability of asphalt mixture AC-13 also increases,and the high-temperature performance is obviously improved.Finally,the deoiled asphalt and SBS composite modified asphalt with excellent high-temperature performance and obvious technical and economic advantages are selected,and its formula is:matrix asphalt:deoiled asphalt C:SBS= 100%∶30%∶4%.
This article adopts the deoiled asphalt and SBS to prepare a new type of composite modified asphalt,in order to give full play to the advantages of both and to avoid the shortcomings of single mixing,thus providing a new idea for solving the problems such as high-temperature rutting of asphalt pavement in China.The results show that the adding of different types of deoiled asphalt can all improve the high-temperature performance of modified asphalt,and,with the increase of deoiled asphalt content or SBS content,the softening point of modified asphalt,135℃ rotational viscosity and 76℃rutting factor are all increasing correspondingly,the 60℃ dynamic stability of asphalt mixture AC-13 also increases,and the high-temperature performance is obviously improved.Finally,the deoiled asphalt and SBS composite modified asphalt with excellent high-temperature performance and obvious technical and economic advantages are selected,and its formula is:matrix asphalt:deoiled asphalt C:SBS= 100%∶30%∶4%.
引文
[1]陈昌鑫,叶群山.交联聚乙烯和橡胶复合改性沥青高温性能研究[J].西部交通科技,2017(3):6-9.
[2]邹桂莲,周伟,廖宣锦.布敦岩沥青高温性能研究[J].公路,2010(3):126-129.
[3]杨戈,黄卫东,李彦伟,等.橡胶沥青混合料高温性能评价指标的试验研究[J].建筑材料学报,2010,13(6):753-758.
[4]王恒斌,葛折圣.布敦岩沥青改性沥青胶浆高温动态流变性能的试验研究[J].公路交通科技,2008,25(9):63-66.
[5]黄卫东,郑茂,唐乃膨,等.SBS改性沥青高温性能评价指标的比较[J].建筑材料学报,2017,20(1):139-144.
[6]黄刚,宋奕臻,刘丽.光、热耦合老化对SBS改性沥青路用性能的影响研究[J].西部交通科技,2016(1):14-17.
[7]李智.脱油沥青综合利用研究[D].武汉:武汉工程大学,2016.
[8]赵睿,程健.脱油沥青和SBS复合改性70号道路沥青的研究[J].石油沥青,2015(3):37-41.
[9]孔令云,罗艺,王建壮,等.脱油沥青对沥青及沥青混合料性能影响分析[J].石油沥青,2016,30(3):32-37.
[10]盛兴跃,李璐,刘攀,等.脱油沥青复合改性沥青的制备及性能研究[J].应用化工,2018,47(6):1219-1222,1226.
[11]刘贞鹏,王晶,陆芳,等.橡胶粉与SBS复合改性沥青高温性能试验研究[J].西部交通科技,2016(4):6-9.
[2]邹桂莲,周伟,廖宣锦.布敦岩沥青高温性能研究[J].公路,2010(3):126-129.
[3]杨戈,黄卫东,李彦伟,等.橡胶沥青混合料高温性能评价指标的试验研究[J].建筑材料学报,2010,13(6):753-758.
[4]王恒斌,葛折圣.布敦岩沥青改性沥青胶浆高温动态流变性能的试验研究[J].公路交通科技,2008,25(9):63-66.
[5]黄卫东,郑茂,唐乃膨,等.SBS改性沥青高温性能评价指标的比较[J].建筑材料学报,2017,20(1):139-144.
[6]黄刚,宋奕臻,刘丽.光、热耦合老化对SBS改性沥青路用性能的影响研究[J].西部交通科技,2016(1):14-17.
[7]李智.脱油沥青综合利用研究[D].武汉:武汉工程大学,2016.
[8]赵睿,程健.脱油沥青和SBS复合改性70号道路沥青的研究[J].石油沥青,2015(3):37-41.
[9]孔令云,罗艺,王建壮,等.脱油沥青对沥青及沥青混合料性能影响分析[J].石油沥青,2016,30(3):32-37.
[10]盛兴跃,李璐,刘攀,等.脱油沥青复合改性沥青的制备及性能研究[J].应用化工,2018,47(6):1219-1222,1226.
[11]刘贞鹏,王晶,陆芳,等.橡胶粉与SBS复合改性沥青高温性能试验研究[J].西部交通科技,2016(4):6-9.