Preparation Technology for Cementing Material of Colored Asphalt Pavement

Liu, Xing; Lei, Bo-ling; Chen, Zhongda; Dai, Xue-zhen

doi:10.1061/jhtrcq.0000618

Cited by 1 publication

(2 citation statements)

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“…The so-called colored asphalt pavement refers to the color asphalt mixture made by mixing the decolorized asphalt and different colorants, and the construction forms the colored asphalt pavement with certain strength and road performance (Xing et al , 2018). Colored asphalt pavement can strengthen traffic management, facilitate traffic guidance and reduce the probability of traffic accidents (Srivastava et al , 2019; Liu and Sun, 2014; Lee et al , 1985).…”

Section: Introductionmentioning

confidence: 99%

“…Synnefa found that compared with conventional asphalt, All the color thin layer asphalt samples have low surface temperature, and the off-white sample has the lowest surface temperature (Synnefa et al , 2011; Yu et al , 2021). Xing from Chang'an University carried out a study on the preparation process of colored asphalt cement (Xing, 2012). Liu and Xu put forward suggestions to improve its low-temperature mechanical properties (Liu and Xu, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Effects of different colorants on service performance for colored asphalt pavement in cold regions

Fu¹,

Chen²,

Sun³

et al. 2021

PRT

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Purpose The service performance for colored asphalt pavement is inevitably affected by the addition of different colorants, especially the challenge of low temperature environment in cold regions. Therefore, the purpose of study is to explore the effects of different colorants on the service performance for colored asphalt pavement and to provide a foundation for improving the applicability of colored asphalt pavement in cold regions. Design/methodology/approach In the study, three kinds of colorants (iron oxide red, iron oxide yellow, iron oxide green) were used to compare the influence of different colorants amounts and different colorants kinds on the service performance for colored asphalt pavement in cold regions. According to the characteristics of low temperature in cold regions, the effects of different colorants on the low temperature performance for colored asphalt pavement were studied. Findings The study shows that different colorants have different effects on the service performance of colored asphalt pavement. The high temperature performance increases with the increase of the colorants amount, but the low temperature performance is opposite. Additionally, the yellow colored asphalt pavement has more advantages of low temperature adaptation than the red and green colored asphalt pavement. Originality/value The study results provide a certain theoretical foundation for the application of colored asphalt pavement in cold regions and have certain value and significance for the further development of colored asphalt pavement.

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