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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2014  >  14(4): 7-13
WEI Jian-guo, FU Guang-wen, FU Qi-lin. Influence of chlorine salt snow-melting agent on road performance of asphalt binder[J]. Journal of Traffic and Transportation Engineering, 2014, 14(4): 7-13.
Citation: WEI Jian-guo, FU Guang-wen, FU Qi-lin. Influence of chlorine salt snow-melting agent on road performance of asphalt binder[J]. Journal of Traffic and Transportation Engineering, 2014, 14(4): 7-13.
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Influence of chlorine salt snow-melting agent on road performance of asphalt binder

  • 1.

    School of Traffic and Transportation Engineering, Changsha University of Science and Technology, Changsha 410004

  • 2.

    Guangdong Hualu Transprot Technology Co., Ltd., Guangzhou 510420, Guangdong, China

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  • Author Bio:

    WEI Jian-guo(1972-), male, associate professor, PhD, +86-731-82309573, jianguowei9969@126.com

  • Received Date: 2014-02-16
  • Publish Date: 2014-08-25
    Abstract
  • The asphalt specimens were made by using base asphalt, SBS modified asphalt, NaCl and CaCl2 snow-melting agents.The high temperature property, low temperature property, temperature sensitivity, anti-aging property and infrared spectrum of asphalt soaked by chlorine salt snow-melting agent were studied based on the test methods of softening point, penetration, ductility, viscosity and infrared spectrum.The influence of chlorine salt snow-melting agent on asphalt binder road performance and the erosion mechanism were revealed.Analysis result shows that chlorine salt snow-melting agent improves the high temperature property of base asphalt and reduces the high temperature property of SBS modified asphalt; it lowers the temperature sensitivity of base asphalt and enhances the temperature sensitivity of SBS modified asphalt; it reduces the low temperature property of asphalt, but improves the anti-aging property.CaCl2 snow-melting agent has more significant impact on the road performance of base asphalt, and NaCl snow-melting agent has more significant impact on the road performance of SBS modified asphalt.The snow-melting agent does not react with asphalt, and the molecular structure or functional group of asphalt soaked by snow-melting agent is not changed.

     

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