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Preparation of latent heat materials used in asphalt pavement and its performance of temperature control

  • School of Transportation Science and Engineering, Harbin Institute of Technology
  • Beijing General Municipal Engineering Design and Research Institute Co., Ltd

Research output: Contribution to journalArticlepeer-review

Abstract

Phase change materials were chosen to fit the thermal environment of the road. Phase change asphalt was made by three kinds of import modes. The composite phase change materials were chosen by comparing the performance of different materials. Latent heat asphalt mixture was made by replacing powder and fine aggregate with composite phase change materials. Its controlling temperature effect was tested by temperature monitor system. Results show that comparing to asphalt mixture, latent heat asphalt mixture can reduce the temperature by 8 to 10°C. Therefore, the latent heat asphalt mixture has a good effect on adjusting the road temperature.

Original languageEnglish
Pages (from-to)354-359
Number of pages6
JournalJianzhu Cailiao Xuebao/Journal of Building Materials
Volume16
Issue number2
DOIs
StatePublished - Apr 2013
Externally publishedYes

Keywords

  • Composite phase change material
  • High-temperature rutting
  • Latent heat asphalt mixture
  • Simulation experiment
  • Temperature regulation

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