Evaluation of Fatigue Properties for Ultraviolet Radiation Aged Bitumen and Mixture

Shao Peng Wu; Jun Han; Xing Liu

doi:10.4028/www.scientific.net/AMR.217-218.181

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 217-218Evaluation of Fatigue Properties for Ultraviolet...

Evaluation of Fatigue Properties for Ultraviolet Radiation Aged Bitumen and Mixture

Abstract:

Bitumen is widely used in road construction. Due to heavy traffic loads and environmental factors, bitumen properties will change during service life. Bitumen will age due to diffusion of oxygen and UV radiation. Repeated loading will result in decreasing strength because of fatigue. In this paper, one layer clay powder was used to modify base bitumen with different mass contents. Then the influences of ultraviolet radiation (UV) aging on the dynamic fatigue properties of the layered clay powder were evaluated by Dynamic Shear Rheomoter (DSR) and Universal Testing Machine (UTM). The ageing evaluation shows that the ageing resistance of bitumen is improved and this improvement is more notable in bitumen fatigue than mixture.

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Periodical:

Advanced Materials Research (Volumes 217-218)

Pages:

181-186

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.217-218.181

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Online since:

March 2011

Authors:

Shao Peng Wu, Jun Han, Xing Liu

Keywords:

Bitumen, Fatigue Property, Layer Clay Powder, Mixture, Ultraviolet Radiation Aging

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