Paper Title:
Study on Road Performance of Phase-Change Temperature-Adjusting Asphalt Mixture
  Abstract

Mixing the composite phase change material (CPCM) to asphalt mixture is a new way to solve the worldwide problem of the low-temperature cracking and high temperature rutting of the asphalt pavement. Asphalt mixture with CPCM can remain in the ideal working temperature range for a relatively long time. This paper analyzes the influence of the contents of CPCM on its road performance by laboratory testing. The study shows that mixing CPCM to asphalt mixture had little effect to the optimal asphalt content. For CPCM prepared by polymer shape-stabilized method, the high-temperature stability and the water stability of asphalt mixture increases firstly and then decreases the low-temperature anti-cracking stability decreases firstly and then increases with the increasing of CPCM. For CPCM prepared by carrier-adsorbed packaging process, the high-temperature stability decreases, low-temperature anti-cracking stability decreases firstly and then increases, the water stability increases firstly and then decreases with increasing of CPCM. The results indicate that CPCM has significant influences on its road performance. The optimal content of CPCM is around 0.3%.

  Info
Periodical
Advanced Materials Research (Volumes 287-290)
Chapter
Building Materials
Edited by
Jinglong Bu, Pengcheng Wang, Liqun Ai, Xiaoming Sang, Yungang Li
Pages
978-981
DOI
10.4028/www.scientific.net/AMR.287-290.978
Citation
B. Ma, J. Li, R. W. Liu, J. Ma, "Study on Road Performance of Phase-Change Temperature-Adjusting Asphalt Mixture", Advanced Materials Research, Vols. 287-290, pp. 978-981, 2011
Online since
July 2011
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Price
$32.00
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