| 摘要 |
PURPOSE: An additive composition for warm mix asphalt is provided to facilitate production and construction even in case of being applied to normal straight asphalt and modified asphalt, and eliminate all bobbles of asphalt during a hardening process. CONSTITUTION: An additive composition for warm mix asphalt comprises a 0.5-40 parts by weight viscosity softening agent, a 0.1-20 parts by weight foaming agent, and a 0.1-20 parts by weight lubricant comparison to a 100.0 parts by weight asphalt binder. The composition additionally includes a 2-40 parts by weight modifier. The modifier comprises material selected from the group consisting of a rubber group and the mixture thereof, a polymer group and the mixture thereof, and a filler group and the mixture thereof.
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