Effect of Nano SiO2 on the Performance of Asphalt Emulsion and its Residue

Yan Sheng Yang; Wei Yu Fan; Zhe Wang; Qin Qin Zhang; Guo Zhi Nan

doi:10.4028/www.scientific.net/AMR.413.331

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 413Effect of Nano SiO2 on the Performance of Asphalt...

Effect of Nano SiO₂ on the Performance of Asphalt Emulsion and its Residue

Abstract:

The effects of nanoSiO₂ content on the Engler viscosity and storage stability of asphalt emulsion as well as the performances of asphalt emulsion residue were investigated. The results indicate that the Engler viscosity increases and storage stability of the emulsion is improved as the nanoSiO₂ dosage increases from 0 wt % to 1.2 wt %. With the nanoSiO₂ content increasing, it represents a reduction in the ductility and penetration of the asphalt emulsions residue. However, compositions of saturate, aromatic, resin and asphaltene (SARA) of the asphalt emulsions residue change slightly. The viscosity of the asphalt emulsions residue increases as the nanoSiO₂ content increases from 0 wt % to 1.2 wt % at temperatures from 70 °C to 120 °C and changes slightly when the temperature is higher than 120 °C.

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Periodical:

Advanced Materials Research (Volume 413)

Pages:

331-335

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.413.331

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Online since:

December 2011

Authors:

Yan Sheng Yang, Wei Yu Fan, Zhe Wang, Qin Qin Zhang, Guo Zhi Nan

Keywords:

Asphalt Emulsion, Evaporation Residue, Nano-SiO₂, SARA Components, Viscosity-Temperature Characteristics

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