Evaluation on Temperature Susceptibility of Emulsified Asphalt and Base Asphalt

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Abstract In this paper,emulsified asphalt was prepared using AH-90 asphalt donated by Liaohe oil-field(China) as base asphalt and self made dissymmetric Gemini quaternary ammonium salts cationic surfac-tant as emulsifier.The temperature sensitivity of the two kinds of asphalts was determined by penetration-viscosity index(PVN) and penetration index(PI).The index of T800 and dynamic viscosity at 60 ℃ were used to appreciate the stability at high temperature.The anti-cracking in low temperature was ex-plored by T1.2.Results show the asphalt emulsion technology can not only improve penetration index,flexibility,low-temperature ductility and deformation resistance,but also enhance high temperature sta-bility,low-temperature anti-cracking performance and anti-fatigue performance.The emulsified asphalt show better temperature stability,better low-temperature cracking resistance and better temperature sus-ceptibility than base asphalt.

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Received 2010-07-15; published 2010-07-15

Cite this article:

ZHAO Hua1,LIAO Ke-jian1,LI Ying-gang2,LI Xiu-qi2,HAO Lin2.Evaluation on Temperature Susceptibility of Emulsified Asphalt and Base Asphalt[J] Chemcial Industry and Engineering, 2010,V27(4): 313-316

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