Influence of chlorine salt snow-melting agent on road performance of asphalt binder

WEI Jian-guo; FU Guang-wen; FU Qi-lin

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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.

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

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.
- road material,
- snow-melting agent,
- chlorine salt,
- asphalt binder,
- road performance,
- infrared spectrum

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References(20)

References

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