Downloading: Effect of High Temperature on the Stability Performance of Polyvinyl Chloride and Nano Silica Modified Stone Matrix Asphalt Mixture
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Effect of High Temperature on the Stability Performance of Polyvinyl Chloride and Nano Silica Modified Stone Matrix Asphalt Mixture

Nguyen Hoang Phong, Cheng Pei Feng

Abstract: In tropical regions, temperature increased is too high in summer, which influences the road construction, especially asphalt pavement. Thus, we have to regard technical support the conditions of road construction in this region. This paper presents the effect of high temperature on the stability performance of Polyvinyl Chloride (PVC) and Nano Silica (NS) modified Stone Matrix Asphalt (SMA) using Marshall design method and rutting test. Three kinds of the SMA mixtures with 4 %PVC and 3 %NS, 5 %PVC and 2 %NS, and 6 %PVC and 1 %NS contents were used for water stability experiment at 60°C, the Marshall stability and Dynamic stability experiment from 60°C to 75°C. The results show that the Marshall stability and dynamic stability of three kinds modified by PVC and NS decrease when the experimental temperature increases from 60°C to 75°C. SMA mixtures modified with 5 %PVC and 2 %NS content has the best Marshall stability, water stability and dynamic stability on high temperature.

Keywords: Stone Matrix Asphalt, Polyvinyl Chloride, Nano Silica, Marshall stability, Dynamic stability, Water stability



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