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  1. Journal of Applied Sciences
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  3. 923-928
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Journal of Applied Sciences

Year: 2015 | Volume: 15 | Issue: 6 | Page No.: 923-928
DOI: 10.3923/jas.2015.923.928

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Authors


Pierre Guy Atangana Njock

Country: China

Li Yueguang

Country: China

Keywords


  • Asphalt pavement
  • evaluation analysis
  • structural design
  • fatigue criteria
Research Article

Comparative Study of French and Chinese Asphalt Pavement Design Methods

Pierre Guy Atangana Njock and Li Yueguang
This study deals with the comparison of French and Chinese approaches for the design of flexible pavement. The Finite Element Analysis (FEA using ANSYS) was used to compute and compare the mechanical responses in four typical pavement structures used in France and China, for respective axle type and loads. The study concluded that the maximum deflection in typical structure of stabilized asphalt pavement in China is greater than that obtained in the typical treated bases asphalt pavement in France. Therefore, the high modulus materials used in the French method allows the structure to have a high rutting resistance compared to Chinese pavement structures whose the values of the elastic modulus of materials are relatively lower. The results also shown that, the Chinese methodology is advantageous for the design of semi-rigid asphalt pavement, in terms of the mechanical response at the bottom of treated base layer. There are considerable differences between the equivalent axle load conversion methods and the reference axles loads used in France and in China and both methodologies pavement design indexes are established on the criterion of fatigue at the bottom of asphaltic concrete layer for acceptable pavement performance at the end of the design period (i.e., acceptable levels of rutting, fatigue cracking and thermal cracking).
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How to cite this article

Pierre Guy Atangana Njock and Li Yueguang, 2015. Comparative Study of French and Chinese Asphalt Pavement Design Methods. Journal of Applied Sciences, 15: 923-928.

DOI: 10.3923/jas.2015.923.928

URL: https://scialert.net/abstract/?doi=jas.2015.923.928

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