Several kinds of warm mix asphalt, asphalt mineral of Law (Aspha-min), asphalt foam method (WAM-Foam), the organic additive method (Sasobit) and surface active agent method based on the realization of warm mix technology can be divided into (Evotherm). In recent years, research in the country, the application of more warm mix technology is based surfactant warm mix asphalt mixture. From the Harrison and Lackey in Sydney First International Conference on Asphalt Pavement (2000) on the report reported in Europe has developed a new type of warm mix asphalt mixture start to 2005 State Road 101 in Beijing paved Road of China's first warm mix asphalt testing, engineering practice has more than 400 domestic and foreign surfactant-based warm mix asphalt mixture.
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