沥青路面不稳定状态温度场解析解

2011 Second International Conference on Mechanic Automation and Control Engineering Pub Date : 2011-07-15 DOI:10.1109/MACE.2011.5988709

Xiao Li, Liang Naixing, Naixing Liang

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引用次数: 2

摘要

为了防止沥青路面车辙过多或产生疲劳裂纹，有必要在不同气候条件下准确计算沥青路面的温度场。设计合适的路面结构和正确选择沥青粘结剂的牌号也很重要。基于热学理论，通过显式推导，建立了两个季节沥青路面热交换的数学方程和沥青路面不稳定状态温度场的二维解析模型。为了初步了解不同地区和气候对沥青路面温度场的影响，进行了实验验证。同时，将分析结果与现场实测数据进行对比，验证了分析模型的有效性。仿真结果与实验数据吻合较好。

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Analytic solution of unstable state temperature field in asphalt pavement

It is necessary to calculate temperature field accurately in asphalt pavement with different climatic informations to prevent excessive rutting or fatigue cracks in asphalt pavements. It's also essential to design the suitable pavement structures and to choose grades of asphalt binder rightly. Based on the thermology theory, the mathematical equation of heat exchange in the asphalt pavement for two different seasons and the two-dimensional analytical model of unstable state temperature field in the asphalt pavement were established with explicit derivation. In order to understand the preliminary effect of different regions and climates on temperature fields in the asphalt pavement, the experimental validations were carried out. Meanwhile, the comparison between analytical results and the in-site data proofs the validation of analytical model. It shows that the simulation result is consistent with the experimental data well.

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2011 Second International Conference on Mechanic Automation and Control Engineering

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