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自融冰沥青混合料长期盐分释放特性及其对路面性能影响的研究

Study on the Long-Term Salt Release Characteristics of Self-Melting Ice Asphalt Mixtures and Their Impact on Pavement Performance.

作者信息

Liu Chenyang, Guo Dedong, Sun Xupeng, Li Xiang, Xu Meng, Losa Massimo, Riccardi Chiara, Wang Teng, Cannone Falchetto Augusto

机构信息

School of Transportation Civil Engineering, Shandong Jiaotong University, Jinan 250357, China.

Department of Civil and Industrial Engineering, University of Pisa, Largo Lucio Lazzarino, 56122 Pisa, PI, Italy.

出版信息

Polymers (Basel). 2024 May 12;16(10):1379. doi: 10.3390/polym16101379.

DOI:10.3390/polym16101379
PMID:38794572
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11125025/
Abstract

Self-melting ice asphalt pavement materials inhibit pavement freezing and improve driving safety. This paper aims to study the long-term salt release characteristics of self-melting ice asphalt mixtures and the impact on pavement after complete salt release. Firstly, a method to accelerate the rapid release of salt based on the Los Angeles abrasion tester. Then, long-term salt release patterns were elucidated under the influence of deicing agent dosage, type of asphalt, and type of gradation. Finally, a quantitative analysis of the pavement performance after complete salt release is conducted. The results indicate that the release efficiency of the Los Angeles abrasion tester method has increased by 91 times compared to the magnetic stirrer immersion flushing method and by 114 times compared to the natural soaking method. The SBS-modified self-melting ice asphalt mixture possesses a longer duration of salt release, but the uniformity of salt release is inferior. Salt release duration is directly proportional to the dosage of deicing agents. SMA-13 self-melting ice asphalt mixture exhibits poorer uniformity in salt release. After complete salt release, high-temperature stability of self-melting ice asphalt mixtures decreased by 31.6%, low-temperature performance decreased by 15.4%, water stability decreased by 26.7%, and fatigue life decreased by 35.9%.

摘要

自融冰沥青路面材料可抑制路面结冰并提高行车安全性。本文旨在研究自融冰沥青混合料的长期盐分释放特性以及盐分完全释放后对路面的影响。首先，基于洛杉矶磨耗试验机提出一种加速盐分快速释放的方法。然后，阐述了在除冰剂用量、沥青类型和级配类型影响下的长期盐分释放规律。最后，对盐分完全释放后的路面性能进行了定量分析。结果表明，洛杉矶磨耗试验机法的释放效率相较于磁力搅拌器浸泡冲洗法提高了91倍，相较于自然浸泡法提高了114倍。SBS改性自融冰沥青混合料的盐分释放持续时间较长，但盐分释放的均匀性较差。盐分释放持续时间与除冰剂用量成正比。SMA-13自融冰沥青混合料的盐分释放均匀性较差。盐分完全释放后，自融冰沥青混合料的高温稳定性下降了31.6%，低温性能下降了15.4%，水稳定性下降了26.7%，疲劳寿命下降了35.9%。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b0b/11125025/3ca681f3c1cf/polymers-16-01379-g014.jpg
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本文引用的文献

1
Research on Performance Deterioration of Internally Cured Pavement Concrete under the Coupling Effect of Salt Freeze-Thaw.盐冻耦合作用下内养护路面混凝土性能劣化研究
Polymers (Basel). 2023 Jan 17;15(3):476. doi: 10.3390/polym15030476.
2
Laboratory Study and Field Validation of the Performance of Salt-Storage Asphalt Mixtures.盐储存沥青混合料性能的实验室研究与现场验证
Materials (Basel). 2022 Sep 27;15(19):6720. doi: 10.3390/ma15196720.
3
Rheological Properties of Styrene-Butadiene-Styrene Asphalt Mastic Containing High Elastic Polymer and Snow Melting Salt.
含高弹性聚合物和融雪盐的苯乙烯-丁二烯-苯乙烯沥青玛蹄脂的流变特性
Polymers (Basel). 2022 Sep 2;14(17):3651. doi: 10.3390/polym14173651.
4
Investigation of Long-Term Performance and Deicing Longevity Prediction of Self-Ice-Melting Asphalt Pavement.自融冰沥青路面长期性能调查及除冰寿命预测
Materials (Basel). 2022 Sep 1;15(17):6026. doi: 10.3390/ma15176026.
5
Preparation and Application of a Novel Slow-Releasing with Core-Shell Deicer in Asphalt Mixtures.一种新型核壳式缓释除冰剂在沥青混合料中的制备与应用
Polymers (Basel). 2022 Jun 28;14(13):2615. doi: 10.3390/polym14132615.
6
Viscoelastic Behavior and Phase Structure of High-Content SBS-Modified Asphalt.高含量SBS改性沥青的粘弹性行为与相结构
Polymers (Basel). 2022 Jun 17;14(12):2476. doi: 10.3390/polym14122476.