Abstract
In order to investigate rutting behavior in long and steep section of mountainous highway, this paper selected generalized Kelvin model as the constitutive relationship for asphalt mixture, proposed a new method for material parameter identification, provided the tangential stiffness matrix for the generalized Kelvin model, and applied the constant power vehicular loads on the finite model. The results show that the overload, operational speed, and the tangential and vertical forces of the vehicle have a significant impact on the rutting of asphalt pavement. Based on rutting sensibility analysis, this paper also develops a confinement method of the slope grade and length in long and steep section of mountainous highway.
| Original language | English |
|---|---|
| Pages (from-to) | 635-643 |
| Number of pages | 9 |
| Journal | Construction and Building Materials |
| Volume | 93 |
| DOIs | |
| Publication status | Published - 15 Jun 2015 |
Funding
The authors are very thankful to anonymous reviewers for their insightful and constructive comments, which enabled them to improve the content of the original manuscript. This study is sponsored in part by the National Nature Science Foundation of China (Grant No. 51408173 ), China Postdoctoral Science Foundation funded Project (Grant No. 2015M571928 ), and Fundamental Research Funds for the Central Universities in China (Grant Nos. J2014HGBZ0132 and 2014HGQC0022 ). The authors are very grateful for the support.
Keywords
- Constant power vehicular loads
- Generalized Kelvin model
- Long and steep section
- Rutting
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