Analysis of Factors Influencing on Compaction Performance of Hot Asphalt Mixtures by Orthogonal Test

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Abstract:

The compaction can directly affect the performance of asphalt pavement, while the mixing temperature, the molding temperature, the temperature of aggregates and the rolling times can all affect the compaction performance. The L9(34) orthogonal tests and indoor tests were used to analyze the influence of the main factors on the examination indicators. The results show that molding temperature have a significant effect on the physical and mechanical properties of SMA13 asphalt mixtures when the confidence level α is 0.10. Finally, quantitative analysis is performed to study the optimal compaction technology of molding temperature and rolling times.

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423-426

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July 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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