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Preparation and Performance of Road Micro-surfacing Materials with Exhaust Purification Function

  • Chaohui Wang
  • Hao Fu
  • Qian ChenEmail author
  • Xiaolong Sun
  • Tengteng Guo
  • Jin Guo
Highway Engineering
  • 9 Downloads

Abstract

Road micro-surfacing materials with exhaust purification function were developed to purify and alleviate serious air pollution in cities. Two types of functional materials satisfied the basic performance requirements of aggregates and fillers were selected to develop micro-surfacing materials with exhaust purification function. Test equipment for exhaust purification effect was invented, and test methods were proposed. The exhaust purification effect involved in functional micro-surfacing materials was comprehensively investigated. The road performance was also evaluated. Finally, the exhaust purification mechanism of functional micro-surfacing materials was revealed. Results showed that the purification rates of gaseous pollutants (COx, NOx, and SO2) and particulate pollutants (PM 2.5 and PM 10) were above 15% and 50%, respectively based on indoor heating and cooling intervals, and that of outdoors were 20% and 40%. The functional micro-surfacing materials exhibited satisfactory road performance. Moreover, the self-polarization effect of the functional materials contributed to the exhaust purification effect.

Keywords

road engineering micro-surfacing exhaust purification preparation performance 

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Notes

Acknowledgements

This research was sponsored by the Construction Project of Science and Technology Ministry of Transport of the People’s Republic of China (2013 318 49A270), Natural Science Basic Research Plan in Shaanxi Province of China (2014JM2-5045) and Fundamental Research Funds for the Central Universities, CHD (300102219314, 300102219701).

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Copyright information

© Korean Society of Civil Engineers 2019

Authors and Affiliations

  • Chaohui Wang
    • 1
  • Hao Fu
    • 1
  • Qian Chen
    • 1
    Email author
  • Xiaolong Sun
    • 2
  • Tengteng Guo
    • 1
  • Jin Guo
    • 1
  1. 1.School of HighwayChang’an UniversityXi’anChina
  2. 2.School of Civil and Transportation EngineeringGuangdong University of TechnologyGuangzhouChina

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