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WANG Peng, CENG Fan-qi, HUANG Xiao-ming. Grey relation degree analysis of high-temperature performance indexes of asphalt[J]. Journal of Traffic and Transportation Engineering, 2006, 6(3): 32-36.
Citation: WANG Peng, CENG Fan-qi, HUANG Xiao-ming. Grey relation degree analysis of high-temperature performance indexes of asphalt[J]. Journal of Traffic and Transportation Engineering, 2006, 6(3): 32-36.
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Grey relation degree analysis of high-temperature performance indexes of asphalt

  • 1.

    School of Transportation, southeast university, Nanjing 210096, Jiangsu, china

  • 2.

    School of Environment and Water Conservancy, Zhengzhou University, Zhengzhou 450002, Henan, China

  • 3.

    Henan Provincial Communications Construction Quality Control Centre, Zhengzhou 450005, Henan, China

More Information
  • Author Bio:

    Wang Peng(1973-), female, doctoral student, 86-371-63887062, wp@ha.edu.cn

    Huang Xiao-ming(1963-), male, professor, 86-25-83795184, huangxm@seu.edu.cn

  • Received Date: 2005-11-10
  • Publish Date: 2006-09-25
    Abstract
  • In order to improve the high-temperature performance indexes of asphalt, the theory of grey relation degree was applied to calculate the relation degrees between 60 ℃ asphalt viscosity, 135 ℃ modified asphalt viscosity, their softening points and asphalt G*/sinδ, other high-temperature performance indexes.It is pointed that the relation degree between 60 ℃ asphalt viscosity and asphaltG*/sinδ is better, the value reaches above 0.800, the relation degrees between 60 ℃ asphalt viscosity, 135 ℃ modified asphalt viscosity by short-term aging and asphalt G*/sinδ are also better, the maximum value is 0.897, but the relation degrees between softening point and other high-temperature performance indexes are not better.The result indicates that asphalt G*/sinδ cann't reflect the high-temperature performance of modified asphalt, but asphalt G*/sinδ by short-term aging may reflect the performance, softening point used to evaluate the high-temperature performance of asphalt need further research.

     

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