Coarse Aggregate Gradation Design Index and Method of Asphalt Mixture

Ye Mao Zhang; Mu Lian Zheng; Guang Wei Hu; Qi Yang Zhu

doi:10.4028/www.scientific.net/AMR.724-725.1489

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 724-725Coarse Aggregate Gradation Design Index and Method...

Coarse Aggregate Gradation Design Index and Method of Asphalt Mixture

Abstract:

The gradation of asphalt mixture is a main factor on the asphalt pavement performance, and coarse aggregate skeleton is an effect of distribution in the primary factor. The article analyses the interaction among the particle sizes of coarse aggregate by VCA and CBR double controlling index of aggregate gradually filling test, and identifies the key sizes of coarse aggregate by uniform design and grey system theory, and recommends particles size range content of coarse aggregate. The results show that coarse aggregate skeleton gradation of asphalt mixture by filling test has a good correlation with VCA and CBR.

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Periodical:

Advanced Materials Research (Volumes 724-725)

Pages:

1489-1494

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.724-725.1489

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Online since:

August 2013

Authors:

Ye Mao Zhang, Mu Lian Zheng, Guang Wei Hu, Qi Yang Zhu

Keywords:

Gradually Filling Test, Grey System Theory, Skeleton Strength CBR, Uniform Design

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References

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