济南市规划设计研究院;
为准确评价苯乙烯-丁二烯-苯乙烯(styrene-butadiene-styrene, SBS)改性沥青混合料在长期服役过程中的老化问题，结合路面所处的气候环境条件，提出基于环境因素的室内模拟老化评价方法，对SBS改性沥青混合料进行室内加速老化试验，通过低温弯曲小梁试验、车辙试验及冻融劈裂试验评价老化后SBS改性沥青混合料的低温性能、抗永久变形能力及水稳定性。试验结果表明：在长期服役过程中，紫外-热氧耦合老化对SBS改性沥青混合料路用性能的影响比独立热氧老化更大，热氧老化对低温性能的影响大于紫外老化，紫外老化对高温、水稳定性的影响均比热氧老化大，因此采用紫外-热氧耦合老化模拟试验方法更能真实反映夏季户外路面状态，比热氧老化评价方法更合理。
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| 下载次数 | 被引频次 | 阅读次数 |
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基本信息:
DOI：
中图分类号:U414
引用信息:
[1]隋严春.基于室内模拟试验的SBS改性沥青混合料抗老化性能评价[J].山东交通学院学报,2022,30(03):109-114.
基金信息:
山东省交通运输厅科技项目(2019B61)