Low Temperature Performance Index of Polymer Modified Asphalt

被引：0
|
作者：
Yan K. [1 ]
Wang D. [1 ,2 ]
机构：
[1] College of Civil Engineering, Hunan University, Changsha
[2] Western Investment Co., Ltd. of CCTEB, Chengdu
来源：
Jianzhu Cailiao Xuebao/Journal of Building Materials | 2020年 / 23卷 / 02期
关键词：
Force-ductility; Glass transfer temperature; Grey relation theory; Low temperature index; Modified asphalt;
D O I：
10.3969/j.issn.1007-9629.2020.02.035
中图分类号：
学科分类号：
摘要：
The conventional performance and low temperature rheological properties of four types of polymer modified asphalt binders were tested. In addition, the low temperature bending test of mixtures was also carried out. Combined with grey correlational theory, the correlation between low temperature indexes of asphalt binder and performance of asphalt mixture was analyzed. For these kinds of modified asphalt binder, the results show that the glass transfer temperature, rheological index and toughness resulted from low temperature force-ductility test of polymer modified asphalt have good correlation with the low temperature performance of asphalt mixture. Glass transfer temperature has the highest relevance, which can better reflect the low temperature performance of polymer modified asphalt, followed by low temperature rheological index and asphalt toughness. © 2020, Editorial Department of Journal of Building Materials. All right reserved.
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页码：479 / 484
页数：5
相关论文
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