Advances in flame retardancy of asphalt pavement: A review

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES Advanced Industrial and Engineering Polymer Research Pub Date : 2024-07-01 DOI:10.1016/j.aiepr.2024.01.001
Lu He , Yong Cao , Hui-Ming Qu , Yong-Kui Zhang , Qing-Qing Bi , De-Yi Wang
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Abstract

Asphalt pavement is widely applied to the surface in high-grade highway tunnels due to its prominent preponderance in road performance. However, asphalt is flammable as the binder material to adhere the aggregates and other additives, resulting that a fire in the semi-closed space of the tunnel can ignite and burn asphalt pavement to generate a large amount of heat and smoke. Therefore, further promoting the advance of flame-retardant asphalt pavement is essential to ensure security in tunnels. We gathered the relevant standards or regulations of diverse nations and test methods concerning flame retardancy of asphalt. Then we reviewed the research status of flame-retardant asphalt mixture, including thermal characteristics of the asphalt and four fractions, the flame retardants applicable to asphalt, and effects on other components. This review demonstrated that establishing universal standards and test methods is a research basis specifically for flame-retardant asphalt pavement. To optimize the flame retardancy of asphalt pavement, it should focus on the synergy with diversified aspects such as asphalt binders, multiple flame retardants, aggregates, mineral powders, fibers, and other additives.

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沥青路面阻燃性方面的进展:综述
由于沥青路面在路面性能方面的突出优势,沥青路面被广泛应用于高等级公路隧道的面层。然而,沥青作为粘结骨料和其他添加剂的粘结材料,具有易燃性,导致隧道半封闭空间内发生火灾时,沥青路面会被点燃燃烧,产生大量的热量和烟雾。因此,进一步推进阻燃沥青路面的发展对确保隧道安全至关重要。我们收集了各国关于沥青阻燃的相关标准或法规以及测试方法。然后,我们回顾了阻燃沥青混合料的研究现状,包括沥青和四种组分的热特性、适用于沥青的阻燃剂以及对其他组分的影响。综述表明,建立通用标准和测试方法是专门针对阻燃沥青路面的研究基础。要优化沥青路面的阻燃性能,应注重与沥青胶结料、多种阻燃剂、集料、矿粉、纤维和其他添加剂等多方面的协同作用。
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来源期刊
Advanced Industrial and Engineering Polymer Research
Advanced Industrial and Engineering Polymer Research Materials Science-Polymers and Plastics
CiteScore
26.30
自引率
0.00%
发文量
38
审稿时长
29 days
期刊最新文献
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