OALib Journal期刊
蜡型温拌剂与岩沥青的复合改性研究
DOI: 10.3969/j.issn.1674-0696.2014.03.13
Keywords: 道路工程 ,温拌剂 ,岩沥青 ,复合改性 ,黏度 ,roadengineering ,warmmixagent ,rockasphalt ,compoundmodification ,viscosity
Abstract:
:？岩沥青在改善沥青的高温和感温及老化性能的同时会使沥青的拌和及压实温度升高，而温拌剂则能够降低沥'青的拌和及压实温度。选用KSHD型温拌剂和新疆乌尔禾岩沥青对沥青进行复合改性试验研究，并通过组分变化分析来研究其改性机理。研究表明:温拌岩沥青的复合改性能够在保留岩沥青的改性效果的同时降低拌和及压实温度，并对沥青的低温抗裂有一定的改善作用;掺入蜡型温拌剂后，溶-凝胶型沥青的饱和分、沥青质增多了，而溶脏型沥青的胶质与沥青质增多了。
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