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Research on Designing Optimum Asphalt Aggregate Ratio of Asphalt Mixture by Direct Shear Method

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Abstract:

The author has done the shear experiment of asphalt mixtures at different asphalt aggregate ratio and different confining pressure using the direct shear test machine, then determined the optimum asphalt aggregate ratio according to the maximum shear stress. The asphalt mixture under optimum asphalt aggregate ratio has better shear performance by this method, and this method can better simulate the road surface actual stressful condition, the asphalt mixture has a good ability of anti-permanent deformation and fatigue.

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Periodical:

Applied Mechanics and Materials (Volumes 505-506)

Pages:

215-218

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.505-506.215

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Cite this paper

Online since:

January 2014

Authors:

Hong Mei Li*, Wen Fang Liu

Keywords:

Asphalt Mixture (AC), Direct Shear Method, Optimum Asphalt Aggregate Ratio, Road Performance

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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References

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