Experiment of active deicing and snow melting pavement coating with environmental friendly and long-term action
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摘要: 分析了环保型长效自融冰雪路面涂层的除冰融雪原理, 采用多种融冰雪材料对比试验的方法, 进行了人工环境下融雪、冻雨和二次结冰试验, 通过碳钢条腐蚀试验和三叶草浇灌试验进行了环保性能分析, 并在某试验段进行了道路融雪能力验证。分析结果表明: 自融冰雪路面涂层大于0.6kg·m-2时融雪效果较佳, 一次涂刷能多次融雪; 涂层对冻雨和二次结冰具有良好的抑制作用, 对结构物和植被基本无影响, 环保性能较佳; 涂层一次施工能多次除冰融雪, 可满足一个冬春季长效要求。Abstract: The mechanism of active deicing and snow melting pavement coating with environmental friendly and long-term action was analyzed.The comparative experiment methods of various deicing and snow melting materials were used, and the experiments of snow melting, freezing rain, and secondary icing under artificial environment were conducted.The environmental performance was analyzed through the experiments of carbon steel bar corrosion and watering clover, and the deicing and snow melting performance of road was evaluated in an experimental section.Analysis result shows that when the amount of active deicing and snow melting pavement coating is more than 0.6kg·m-2, the effect of snow melting is perfect, and one-time construction of the coating can be used repeatedly.Freezing rain and secondary icing can be well inhibited by the coating.The active deicing and snow melting pavement coating has little harm to structures and vegetations, and has good environmental performance.One-time construction of the coating can deice and melt snow several times, and the ability of repeated snow melting can meet the long-term requirements for a snowing season.
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图 1 环保型长效自融冰雪涂层
Figure 1. Active deicing and snow melting pavement coating with environmental friendly and long-term action
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