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针对当前车辙等效温度计算方法的不足,提出了考虑有效温度和有效荷载作用次数的沥青混凝土路面车辙等效温度计算思路,讨论了车辙等效温度的计算参数及有效路面代表温度和有效荷载作用次数的计算方法,并根据车辙预估模型提出了车辙等效温度计算方法,以陕西省西安地区为例给出了计算实例。结果表明,不同地区的对应有效车辙温度的月份并不相同,在计算有效交通量时要同时考虑车道系数、轮迹分布系数和有效时间分布系数,西安市、黄陵市和唐山市的车辙等效温度分别为46.3℃、43.8℃和45.6℃。车辙等效温度可以作为道路设计、分析和性能预估的参数。
In view of the shortcomings of the current rut equivalent temperature calculation method, the calculation of equivalent rutting temperature of asphalt concrete pavement considering the effective temperature and effective load is put forward. The calculation parameters of equivalent rutting temperature and effective pavement temperature and effective load are discussed The calculation method of rutting equivalent temperature is proposed according to the rutting prediction model. The calculation example is given with Xi’an as an example. The results show that the month corresponding to effective rutting temperature is not the same in different regions. When calculating the effective traffic volume, the lane coefficient, wheel track distribution coefficient and effective time distribution coefficient are also taken into account. The rutting of Xi’an, Huangling and Tangshan Effective temperature was 46.3 ℃, 43.8 ℃ and 45.6 ℃. Rut equivalent temperature can be used as road design, analysis and performance prediction parameters.