NDLI: Effect of old mixture proportion on gradation and performance of recycled asphalt mixture

Content Provider	IEEE Xplore Digital Library
Author	Peilong Li Zhan Ding
Copyright Year	2011
Description	Author affiliation: School of Environmental Science and Engineering Chang'an University Xi'an, China (Zhan Ding) \|\| School of Highway Engineering Chang'an University Xi'an, China (Peilong Li)
Abstract	Recycling technology for asphalt mixture has been widely applied. The old mixture proportion is an important index for the recycled asphalt mixture. According to the relationship of old-mixture gradation, proportion and design gradation of recycled mixture, the authors discussed the effects of old mixture proportion on gradation adjustment of recycled mixture. Recycled mixtures respectively containing 0%, 30%, 50%, 70% (by weight) of old mixture were prepared to analyze the influence of old mixture proportion on high and low temperature performance, water stability and aging resistance of recycled mixture. The results indicate that gradation of recycled mixture can not be adjusted to aiming gradation if the old mixture proportion was too large. With the increase of old mixture proportion, high temperature performance and aging resistance of recycled mixture enhance, but low temperature performance and water stability decay sharply. In practical application, reasonable proportion of old mixture should be determined according to gradation, performance demand and economy of recycled mixture.
Starting Page	2167
Ending Page	2170
File Size	316813
Page Count	4
File Format	PDF
ISBN	9781612844589
e-ISBN	9781612844596
DOI	10.1109/CECNET.2011.5769181
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Road transportation Presses Asphalt Recycled asphalt mixture Stability criteria Old mixture proportion Aging Water conservation Gradation Nickel Road performance
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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