Investigation And Analysis Of Asphalt Pavement Use Environment And Conditions In Hebei Province And Study Of Pavement Temperature Field Model

This study evaluates and summarizes the structure,characteristics and usage environment of asphalt pavement in Hebei Province,especially Expressway Asphalt pavement.Based on a large number of measured temperature data and meteorological data of asphalt pavement,this paper studies the distribution characteristics of temperature field of asphalt pavement,studies the prediction methods of temperature field of asphalt pavement in Hebei area,deeply understands the distribution characteristics and variation rules of temperature field of asphalt pavement,correctly predicts the distribution status of temperature field of pavement,and also helps to analyze various kinds of asphalt pavement.The mechanism of damage forms and the strength parameters of asphalt pavement are determined.By comparing the measured pavement temperature in Shijiazhuang area and Tangshan area with the predicted pavement temperature in Tangshan area,the results show that the predicted pavement temperature models have high prediction accuracy,which can accurately simulate the change of pavement temperature with time and one-dimensional distribution along the depth direction to a certain extent,and have wide adaptability.