Cooling Principle Analyses and Performance Evaluation of Heat-Reflective Coating for Asphalt Pavement
Cooling Principle Analyses and Performance Evaluation of Heat-Reflective Coating for Asphalt Pavement
复制标题
沥青路面热反射涂层冷却原理分析及性能评价
DOI：
10.1061/(asce)mt.1943-5533.0000256
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发表时间：
2011-07-01
影响因子：
3.2
通讯作者：
Chen, Suming
中科院分区：
文献类型：
--
作者：
Cao, Xuejuan;Tang, Boming;Chen, Suming
在试验中，将热反射涂层(HRC)应用于沥青路面表面。通过对涂料材料特性和大气吸收光谱特性的分析，探讨了涂料降温原理和缓解城市热岛效应的机理。具有良好的防水、耐油、耐磨、耐老化性能。将其涂在密级配沥青混凝土表面，可在炎热季节降低路面温度约9摄氏度。通过抗滑性、加速磨损性、冻融循环和渗透性等试验对其综合路用性能进行评价。结果表明，采用HRC的沥青混凝土路面具有较强的耐磨性，较好的抗温度波动能力，显著减少了水损害。在密级配沥青路面中掺加防滑陶瓷颗粒，可以显著提高沥青路面的抗滑性能。DOI：10.1061/(ASCE)MT.1943-5533.0000256。(C)2011年美国土木工程师学会。
In the experiment, a heat-reflective coating (HRC) was applied to the surface of asphalt pavement. The coating temperature reduction principle and the mechanism to mitigate the urban heat island effect (UHI) were explored by analyzing the material characteristics and features of atmospheric absorption spectrum. HRC features a good waterproof ability, strong oil resistance, abrasion resistance, and aging resistance. When it was painted on the surface of the dense-graded asphalt concrete, the pavement temperature could be reduced by approximately 9 degrees C in hot seasons. The comprehensive pavement performance was evaluated through the following tests: antiskid, accelerated abrasion, freeze-thaw cycle, and permeability. The results show the asphalt concrete pavement with adopting HRC has a strong abrasion resistance, a good resistance to temperature fluctuation, and significantly reduces water damage. The skid-resistant ceramic granular should be added in the dense-graded asphalt pavement with HRC, which was shown to greatly improve the antiskid capability. DOI: 10.1061/(ASCE)MT.1943-5533.0000256. (C) 2011 American Society of Civil Engineers.