摘要: |
针对路面污染物影响热反射沥青路面降温性能的问题,采用自制温度测试箱,选取尘土作为不透光污染物的代表,甘油、机油作为透光污染物的代表进行研究.试验结果表明: 不透光污染物对热反射沥青路面降温性能的影响随污染物密度的升高而增大,随试件构造深度的增加而减小,透光污染物对热反射沥青路面降温性能的影响随污染物透光率的降低而升高,随污染物厚度的升高而增大;清扫和水洗手段可使受尘土污染的热反射沥青路面降温性能得到恢复,但不会对油类污染物产生作用. |
关键词: 道路工程 热反射沥青路面 路面污染物 降温性能 |
DOI:10.3969/j.issn.1007 9629.2012.06.012 |
分类号: |
基金项目:交通运输部科技项目(20113188141300) |
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Effects of Roadway Contaminants on Cooling Performance ofHeat Reflective Asphalt Pavement |
TANG Bo ming1, DING Yong jie2, CAO Xue juan2, XIE Zhen2
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1.Engineering Research Center of Road Construction & Maintenance in Mountainous Area, Ministry of Education,Chongqing Jiaotong University, Chongqing 400074, China;2.School of Civil Engineering & Architecture, Chongqing Jiaotong University, Chongqing 400074, China
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Abstract: |
In order to investigate the effect of common roadway contaminants on cooling effectiveness |
Key words: road engineering heat reflective asphalt pavement roadway contaminant cooling performance |