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Epithermal ageing mechanism of gussasphalt

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Abstract

The normal asphalt index test, DSR test, FTIR and the GPC distribution analysis of molecular weight on the extraction and recovery of asphalt of the gussasphalt, SMA extraction and recovery of asphalt and the rotary-thin-film-oven-aged asphalt above 240 °C were introduced. The results indicate the rutting factor and fatigue factor of the extraction and recovery of asphalt of the gussasphalt are greatly improved, and an obvious absorption peak of carbonyl and a further decrease of the SBS molecular weight of the gussasphalt are found.

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Author information

Authors and Affiliations

  1. School of Traffic Science and Engineering, Harbin Institute of Technology, Harbin, 150090, China

    Zengheng Hao  (郝增恒) & Yiqiu Tan

  2. Chongqing Communications Research and Design Instituts, Chongqing, 400067, China

    Zengheng Hao  (郝增恒)

  3. School of Traffic and Communications, South China University of Technology, Guangzhou, 510640, China

    Xiaoning Zhang

  4. Chongqing Zhixiang Paving Technology Engineering Co. Ltd, Chongqing, 401336, China

    Feng Zhang

Authors
  1. Zengheng Hao  (郝增恒)
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  2. Yiqiu Tan
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  3. Xiaoning Zhang
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  4. Feng Zhang
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Corresponding author

Correspondence to Zengheng Hao  (郝增恒).

Additional information

Funded by the Science and Technology Project of Zhejiang Provincial Communication Department (No. 2007H28)

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Hao, Z., Tan, Y., Zhang, X. et al. Epithermal ageing mechanism of gussasphalt. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 24, 466–470 (2009). https://doi.org/10.1007/s11595-009-3466-5

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  • DOI: https://doi.org/10.1007/s11595-009-3466-5

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