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A Quantitative Rating System for Pollutant Emission Reduction of Asphalt Mixture

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  • Chaohui Wang
  • Qian Chen
  • Qiang Joshua Li
  • Xiaolong Sun
  • Zhenxia Li

Abstract

This study presents a comprehensive pollutant reduction rating system for hot mix asphalt (HMA) with three Level I indices and ten Level II indices, covering various aspects in HMA pollutant emissions, energy consumption, and exhausts from construction equipment. The pollutant emission reduction effects are investigated not only in the laboratory for modified asphalt mixtures with various mixture gradation and binder types but also in the field for several warm mix asphalt (WMA) projects. Furthermore, energy consumption and emission data during pavement construction are obtained from 58 in situ highway projects in 10 provinces of China. Based on the hierarchical clustering method and Bayesian discriminant analysis, individual ranking systems are developed to quantify pollutant emission reduction effects and energy consumption. Subsequently, a comprehensive reduction rating system is established based on the analytic hierarchy process and approximation methods. A case study is demonstrated to implement the proposed system for the assessment of emission reduction effects.

Suggested Citation

  • Chaohui Wang & Qian Chen & Qiang Joshua Li & Xiaolong Sun & Zhenxia Li, 2017. "A Quantitative Rating System for Pollutant Emission Reduction of Asphalt Mixture," Mathematical Problems in Engineering, Hindawi, vol. 2017, pages 1-15, November.
    • Handle: RePEc:hin:jnlmpe:3761850
    DOI: 10.1155/2017/3761850
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