Pavement Rutting Analysis Based on Vehicle-Road Interaction Under Thermal Effects

LIU Jun-qing1; LIU Hong1; LI Qian2

doi:10.21656/1000-0887.370129

Volume 38 Issue 2

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LIU Jun-qing1, LIU Hong1, LI Qian2. Pavement Rutting Analysis Based on Vehicle-Road Interaction Under Thermal Effects[J]. Applied Mathematics and Mechanics, 2017, 38(2): 170-180. doi: 10.21656/1000-0887.370129

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Pavement Rutting Analysis Based on Vehicle-Road Interaction Under Thermal Effects

doi: 10.21656/1000-0887.370129

¹School of Science, Xi’an University of Architecture and Technology, Xi’an 710055, P.R.China;²School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, P.R.China

Received Date: 2016-04-28
Rev Recd Date: 2016-06-22
Publish Date: 2017-02-15

Abstract

Abstract

To study the rutting of asphalt pavement, first, based on the vehicle-road interaction, a simplified model for the dynamic vehicle load caused by road roughness was established; then according to the data from creep tests of asphalt mixture, the parameters for the calculation of asphalt pavement rutting with the modified Burgers’ model, were obtained through fitting; finally, in combination with the observed temperature data and with the ABAQUS finite element software, the pavement temperature field was introduced and the calculation model was established for the daily rutting prediction in view of consecutive temperature variation. The rutting growth of asphalt pavement based on vehicle-road interaction under thermal effects was simulated, and the effects of the pavement temperature, the vehicle load and the vehicle speed on the rutting were parametrically analyzed. The results show that, the rutting depth increases by 6.5% when the vehicle-road interaction is considered, indicating this factor can’t be ignored in the asphalt pavement rutting prediction. Both the axle load and the pavement roughness are related to the rutting linearly. Under the same axle load, the higher the temperature is, the faster the rutting grows and the bigger the final rutting depth gets, and the rutting decreases with the vehicle speed. Moreover, at a vehicle speed where the resonant vehicle-road interaction occurs, the resulting rutting depth is 32% bigger than that in the case without this interaction.
- vehicle-road interaction,
- rutting,
- temperature change,
- modified Burgers’ model

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References(17)

References

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