Paper Title:
Analysis of the Crack Fracture Morphology of the Asphalt Mixture under Tensile Stress Effects
  Abstract

Through studying the bending fracture and cleavage fracture of the asphalt mixture within the different temperature condition, confirming that the temperature influences the microscopic mechanism of mixture cracking: the fracture is relatively flat with low temperture, the destruction of the asphalt mixture is also mainly result of the brittle fracture; As the temperature rise, fracture surface becomes coarse, some part show large plastic elapse deformation. Adding fiber can reduce thickness of the asphalt membrane, improve the bonding strength of asphalt mastic, and greatly increase the ratio of the aggregate fracture and interface zone fracture, so as to enhance the asphalt mixture crack-resistance. The fracture morphology of asphalt mixture has a better reflection for its mechanical characteristics.

  Info
Periodical
Advanced Materials Research (Volumes 250-253)
Edited by
Guangfan Li, Yong Huang and Chaohe Chen
Pages
3533-3537
DOI
10.4028/www.scientific.net/AMR.250-253.3533
Citation
L. H. Zhao, J. Y. Chen, S. W. Wang, "Analysis of the Crack Fracture Morphology of the Asphalt Mixture under Tensile Stress Effects", Advanced Materials Research, Vols. 250-253, pp. 3533-3537, 2011
Online since
May 2011
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