Rheological and physical properties of asphalt mixed with warm compaction modifier
Rheological and physical properties of asphalt mixed with warm compaction modifier
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温压实改性剂沥青的流变和物理性能
DOI：
10.1016/j.conbuildmat.2016.07.021
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发表时间：
2016-10
影响因子：
7.4
通讯作者：
Tan Yi-qiu
中科院分区：
文献类型：
--
作者：
Zhang Lei;Li Tian-shuai;Gao Fei;Tan Yi-qiu
研究了温压改性剂对高粘高弹改性沥青和SBS改性沥青物理性能和流变性能的影响。分别研究了温压改性剂质量分数为0.3%、0.5%、0.8%的三种沥青结合料。通过针入度、软化点、延度和动态剪切流变仪（DSR）测试，评价了温压改性剂对材料物理和流变性能的影响。结果表明，温压改性剂的加入对沥青在高温和中温下的劲度和弹性性能均有显著影响。DSR分析结果表明，温压改性剂能提高沥青混合料的刚度和疲劳性能。通过物理性能和流变性能试验，推荐温压改性剂的用量为基质改性沥青质量的0.3%。
This study was carried out to investigate the effect of the warm compaction modifier on the physical and rheological properties of High-viscosity High-elasticity modified asphalt and SBS modified asphalt. Three types of asphalt binder with different concentrations (at 0.3%, 0.5%, 0.8% by weight) of the warm compaction modifier were studied respectively. The influence of the warm compaction modifier on the physical and rheological properties was evaluated by penetration, softening point, and ductility and Dynamic Shear Rheometer (DSR) test. It was evident that the addition of the warm compaction modifier had a significant effect on the stiffness and elasticity behavior of the asphalt both at high and intermediate temperatures. It is indicated by DSR analysis that the warm compaction modifier could increase stiffness and fatigue behavior compared with base modified asphalt. Based on the physical and rheological tests, the concentration of warm compaction modifier was recommended to be at 0.3% by the weight of base modified asphalt.
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影响因子：
7.4
作者：
Valtorta, D.;Poulikakos, L. D.;Mazza, E.
通讯作者：
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影响因子：
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作者：
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DOI：
--
发表时间：
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期刊：
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