| 沥青路面热阻粘封层机理及性能研究 |
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| 引用本文： | 冯德成,易军艳.沥青路面热阻粘封层机理及性能研究[J].公路交通科技,2009,26(5). |
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| 作者姓名： | 冯德成 易军艳 |
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| 作者单位： | 哈尔滨工业大学,交通科学与工程学院,黑龙江,哈尔滨,150090 |
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| 基金项目： | 交通部西部交通建设科技项目 |
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| 摘 要： | 从传热学机理出发，首先在理论上研究了路面结构材料各参数对于沥青路面结构温度的影响，并探讨了阻热型结构层对路面结构温度场的作用。然后对热阻材料需满足的性能进行了分析，并初步选择了数种性能合理的热阻材料。通过室内的热辐射系统模拟了外界太阳能的辐射，并对不同热阻材料组成的结构进行了辐射试验，以研究其结构导热特性。最后对热阻粘封层的经济性进行了对比分析。试验结果表明，在一定时间的高温作用下，功能、厚度适宜的热阻结构层可以改善路面结构温度场，降低中下面层沥青混合料的工作温度，从而提高沥青路面的高温稳定性。
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| 关 键 词： | 道路工程 热阻粘封层 热传导 降温效果 |
Study on Mechanism and Performance of Tack and Seal Coat of Thermal Resistance for Asphalt Pavement |
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| FENG Decheng,YI Junyan.Study on Mechanism and Performance of Tack and Seal Coat of Thermal Resistance for Asphalt Pavement[J].Journal of Highway and Transportation Research and Development,2009,26(5). |
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| Authors: | FENG Decheng YI Junyan |
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| Institution: | School of Transportation Science and Engineering;Harbin Institute of Technology;Harbin Heilongjiang 150090;China |
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| Abstract: | Based on the heat transfer mechanism,first,the impact of parameters of pavement material and thermal resistance structure on temperature of pavement structure was researched,and the effect of thermal resistance layer on temperature field of pavement structure was discussed.Then,the performance requirement of the thermal resistance material was analyzed and several types of material with reasonable performance of thermal resistance were chosen.Through simulating the radiation of solar energy by using the rad... |
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| Keywords: | road engineering tack and seal coat of thermal resistance heat transfer cooling effectiveness |
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