Paper Title:
Study on Mechanical Behavior of Asphalt Concrete Pavements with Non-Uniformity Gradient Materials
  Abstract

Generally speaking, the asphalt concrete pavement will be affected by the temperature and aging when it is in the use, which makes the modulus of asphalt mixtures change as non-uniformity gradient. This paper assumes the different changes on the modulus of surface layer with different gradient and then researched the mechanical characteristics of asphalt concrete pavements with cracks and no cracks by the finite-element method . Moreover, the research focused on the stress and K I & K II of the asphalt concrete pavements affected by the modulus of surface layer changed as non-uniformity gradient. The results demonstrated that the larger the gradient on the modulus of the surface layer,the bigger the tensile stress and K I and K II of the asphalt concrete pavements, and K II is even much bigger than K I. Consequently, it is of great importance to take into account the effect of the modulus of surface layer changed as non-uniformity gradient. It also makes a great significance for the revision of pavement design and the analysis of pavement damage mechanism.

  Info
Periodical
Advanced Materials Research (Volumes 243-249)
Edited by
Chaohe Chen, Yong Huang and Guangfan Li
Pages
4334-4338
DOI
10.4028/www.scientific.net/AMR.243-249.4334
Citation
K. Z. Yan, Z. Zhang, "Study on Mechanical Behavior of Asphalt Concrete Pavements with Non-Uniformity Gradient Materials", Advanced Materials Research, Vols. 243-249, pp. 4334-4338, 2011
Online since
May 2011
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Price
$32.00
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