| 蓄盐沥青路面研究进展:盐化物材料、混合料及其性能与评价 |
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| 引用本文： | 刘状壮,沙爱民,蒋玮.蓄盐沥青路面研究进展:盐化物材料、混合料及其性能与评价[J].中国公路学报,2019,32(4):18. |
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| 作者姓名： | 刘状壮 沙爱民 蒋玮 |
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| 作者单位： | 1. 长安大学 特殊地区公路工程教育部重点实验室, 陕西 西安 710064;
2. 长安大学 公路学院, 陕西 西安 710064;
3. 长安大学 特殊地区公路交通基础设施可持续发展国际合作联合实验室, 陕西 西安 710064 |
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| 基金项目： | 国家重点研发计划项目（2018YFB1600200）；国家自然科学基金项目（51708045） |
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| 摘 要： | 寒冷环境下，路表积雪、结冰容易导致严重的交通事故并带来巨大的经济损失。蓄盐沥青路面是一种具有融雪抑冰能力的功能性路面，能够在寒冷环境下保障路表抗滑和道路通行能力。作者系统综述了蓄盐沥青路面的工作机理、盐化物材料、沥青混合料及其性能与评价方法研究进展。首先按照材料形态和盐分包裹材料，对盐化物材料进行分类，对比了几种常用的融雪抑冰沥青混合料设计方法，从填料特性与级配干扰的角度分析了盐化物材料掺入后沥青混合料级配参数的变化规律。在综述蓄盐后沥青混合料的高温稳定性、水稳定性、低温抗裂性、抗疲劳性、耐久性以及吸湿性和抗滑性等研究结论的基础上，分析了盐化物导致沥青混合料路用性能劣化的作用机制。最后介绍了常见的融雪抑冰性能评价与测试方法。在对现状综述的基础上，针对盐化物材料设计、沥青混合料改进、路用性能劣化机理以及融雪抑冰性能评价等关键内容，展望了蓄盐沥青路面技术的未来发展方向。
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| 关 键 词： | 道路工程 蓄盐沥青路面 综述 融雪抑冰混凝土 盐化物 性能评价 |
| 收稿时间： | 2018-10-09 |
Advances in Asphalt Pavements Containing Salts: Additives,Mixtures, Performances,and Evaluation |
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| LIU Zhuang-zhuang,SHA Ai-min,JIANG Wei.Advances in Asphalt Pavements Containing Salts: Additives,Mixtures, Performances,and Evaluation[J].China Journal of Highway and Transport,2019,32(4):18. |
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| Authors: | LIU Zhuang-zhuang SHA Ai-min JIANG Wei |
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| Affiliation: | 1. Key Laboratory of Highway Engineering in Special Region, Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China;
2. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China;
3. International Joint Laboratory for Sustainable Development of Highway Infrastructure in Special Regions, Xi'an 710064, Shaanxi, China |
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| Abstract: | The snow or ice that forms on pavement surfaces in cold weather results in severe traffic accidents and economic losses. Asphalt pavement containing salts is a typical functional pavement that prevents ice or snow from covering pavement surfaces in cold weather, thus maintaining the skid resistance and traffic capacity of the roads. In this paper, the recent developments in antifreeze asphalt concretes (AFACs) are summarized, including additives, asphalt mixtures, engineering performance, and evaluation. The salt-based materials were classified according to the morphology and the encapsulant; next, the most frequently used design methods of asphalt mixtures containing salts were compared in terms of filler characteristics and interference between aggregates. Then, the rutting resistance, water stability, low-temperature cracking resistance, fatigue resistance, moisture absorption, and skid resistance were reviewed and summarized, followed by a functional mechanism analysis of the degradation of the engineering performance caused by the presence of salts. Finally, the typically employed methods for the evaluation of the AFACs antifreeze performance and test methods were presented. This paper presents future research scopes and development directions based on the literature review of asphalt pavements containing salts, focusing on the design of additives, improvements in asphalt mixtures, degradation of the engineering performance, and antifreeze performance evaluation. |
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| Keywords: | road engineering asphalt pavement containing salt review antifreeze asphalt concrete (AFAC) salt-based material performance evaluation |
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