Performance evaluation of warm mix asphalt containing reclaimed asphalt mixtures
Performance evaluation of warm mix asphalt containing reclaimed asphalt mixtures
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含再生沥青混合料的温拌沥青性能评价
DOI：
10.1080/10298436.2016.1138114
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发表时间：
2017-01-01
影响因子：
3.8
通讯作者：
Zhao, Yinghua
中科院分区：
文献类型：
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作者：
Guo, Naisheng;You, Zhanping;Zhao, Yinghua
本研究的目的是揭示各种变量的影响，包括三种再生沥青路面 (RAP) 含量、两种温拌沥青 (WMA) 添加剂和再生剂（或缺乏）对含 WMA（WMA-RAP）材料性能的影响。进行了一项实验室研究，通过车辙、弯曲和冻融劈裂试验来评估 WMA-RAP 混合物的性能。进行方差分析（ANOVA）来分析变量对性能的显着影响。试验结果表明，增加RAP含量会导致抗车辙性能增强，而抗低温开裂和湿气损伤性能下降。在WMA-RAP混合物中添加再生剂可显着提高其低温龟裂性和耐湿性。方差分析结果表明，RAP含量对车辙和抗低温龟裂性能有显着影响，此外，再生剂的添加（或缺乏）对低温龟裂和抗湿性能影响也较大。
The objective of this study is to expose the effect of a variety of variables including three reclaimed asphalt pavement (RAP) contents, two warm mix asphalt (WMA) additives and a rejuvenating agent (or lack of) on the performance of WMA containing (WMA-RAP) materials. A laboratory study was conducted to evaluate the performance of WMA-RAP mixtures through rutting, bending and freeze-thaw splitting tests. Analysis of variance (ANOVA) was performed to analyse the significant effect of the variables on the performance. The tests results showed that the increased RAP content led to an increased rutting resistance and the decreased resistance to low-temperature cracking and moisture damage. The addition of the rejuvenating agent into the WMA-RAP mixtures can significantly improve the low-temperature cracking and moisture resistance. The ANOVA results showed that the RAP content had a significant effect on the rutting and low-temperature cracking resistance, and moreover, the rejuvenating agent (or lack of) had a large effect on the low-temperature cracking and moisture resistance.