Deformation Analysis of Asphalt Mixtures with Digital Image Correlation Method

Kan Li; Duan Yi Wang; Jia Li; Xu Cai

doi:10.4028/www.scientific.net/AMR.831.470

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 831Deformation Analysis of Asphalt Mixtures with...

Deformation Analysis of Asphalt Mixtures with Digital Image Correlation Method

Abstract:

Based on digital image correlation method (DICM), this paper promotes a new method for tracking the movements of coarse aggregates of asphalt mixtures. The four-point bending fatigue test is applied as the observed test. The fatigue damage process of AC-16 asphalt mixture is observed by CCD camera. Results show that the new method is able to well reflect the exact displacement of coarse aggregates under different loading repetitions. And the movement trends also reflect the influences of cracks in the specimens. Compared to the original method, the new method provides more detail movement information of different materials (aggregates and asphalt binder). This method helps to the research of asphalt mixtures in meso-scale.

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Periodical:

Advanced Materials Research (Volume 831)

Pages:

470-475

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.831.470

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Online since:

December 2013

Authors:

Kan Li*, Duan Yi Wang, Jia Li, Xu Cai

Keywords:

Asphalt Mixture (AC), Digital Image Correlation Method (DICM), Four-Point Bending Fatigue Test, Movement Track

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