›› 2006, Vol. 27 ›› Issue (S1): 40-45.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical analysis and experimental validation of high temperature fields in asphalt pavements

HUANG Li-kui 1，JIA Lu 1，3，WAN Jian-ping 2，WAN Zhi2   

  1. 1. College of Civil Engineering, Hunan University, Changsha 410082, China; 2. Hunan Institute of Communications Research，Changsha 410015， China; 3. School of Transportation Engineering, Tongji University, Shanghai 200092, China
  • Received:2006-05-09 Published:2006-12-15

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Abstract: To prevent excessive rutting on asphalt pavements, it is necessary to predict correctly the high temperature fields in asphalt pavements with the climate information, to design adequately the pavement structures and to choose correctly the grades of asphalt binder. Based on the elementary theory in thermology, the patterns of heat exchange on asphalt pavements were analyzed in detail during summer seasons; and the two-dimensional numerical model of transient temperature fields in asphalt pavements was established with explicit scheme, which is deduced with the finite difference method. In order to understand the preliminary effects of different locations and climates on high temperature fields in asphalt pavements, the in-site experimental validations were carried out. Meanwhile, the comparison between results of prediction model and the in-site data proofs the validation of numerical model.

Key words: asphalt pavements, high temperature fields, numerical analysis, experimental validation, finite difference method

CLC Number: 

  • TU 416.22
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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