Research on Variation Law of Void Ratio of ARAC-13

Kun Li; Xin Huang; Chang Shan Jiang

doi:10.4028/www.scientific.net/AMR.616-618.1766

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 616-618Research on Variation Law of Void Ratio of ARAC-13

Research on Variation Law of Void Ratio of ARAC-13

Abstract:

Comparing with RAC-G, ARAC has a much better performance on resist fatigue cracks and reflective cracks which is more suitable to semi-rigid basement structure in China. In this paper, through Marshall tests, large number of tests were carried out, study focused on effects of grades changes on voids of ARAC-13 mixture. It is found that, in order to ensure that ARAC void ratios in the 3% to 6% range, asphalt-aggregate ratio should be controlled at 8.5% ~ 9.5%, by adjusting the relative content of the coarse aggregate (4.75mm-9.5mm) and aggregate ≤ 2.36mm, content of 9.5mm ~ 13.2mm coarse aggregate increases each 7%, the void of mixture reduces by 1%,; With the reduction of 4.75mm and upwards coarse aggregate, the void of mixture presents a law of diminishing; finally, the content of 2.36mm aggregate should below 8.3%, and the mineral powder should be strictly controlled fewer than 1%.

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Periodical:

Advanced Materials Research (Volumes 616-618)

Pages:

1766-1772

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.616-618.1766

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Online since:

December 2012

Authors:

Kun Li*, Xin Huang, Chang Shan Jiang

Keywords:

ARAC, Asphalt Aggregate Ratio, Grade, Void Ratio

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References

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