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Research on a New Loading Method for Nano TiO 2 Photocatalytic Asphalt Pavement

Author

Listed:
  • Jingxiao Shu

    (School of Hydraulic and Civil Engineering, Zhengzhou University, Zhengzhou 450001, China
    Henan Expressway Network Management Center, Zhengzhou 450046, China)

  • Xiaoyang Wang

    (Henan Communications Planning & Design Institute Co., Ltd., Zhengzhou 451460, China)

  • Bo Yang

    (Henan Communications Planning & Design Institute Co., Ltd., Zhengzhou 451460, China)

  • Xiaofeng Wang

    (Henan Communications Planning & Design Institute Co., Ltd., Zhengzhou 451460, China)

Abstract

The main goal of our work was to study a new loading method for photocatalytic asphalt pavement that could effectively solve the problems of photocatalytic degradation efficiency and durability. We adhered nano TiO 2 particles to the microscopically textured structure on the surface of glass microbeads by cold alkaline corrosion and high-temperature adhesion technology. We observed good adhesion of nano TiO 2 on glass microbeads by a microscopic performance characterization of the composites. The improvement in the light transmittance of the composite material improved the catalytic efficiency of nano TiO 2 to a certain extent. Three different groups were established to verify the durability of the nano TiO 2 loading method. The result shows that the exhaust gas degradation rate of the spray embedding group did not decrease significantly with the increase in road friction time. Our research provides a new idea for the design of exhaust degradation pavement.

Suggested Citation

  • Jingxiao Shu & Xiaoyang Wang & Bo Yang & Xiaofeng Wang, 2022. "Research on a New Loading Method for Nano TiO 2 Photocatalytic Asphalt Pavement," Sustainability, MDPI, vol. 14(19), pages 1-11, September.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:19:p:11977-:d:922453
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