MODIFIED EMULSION ASPHALT FOR COLD-MIX ASPHALT CONCRETE MIXTURE, AND PROCESS OF MAKING THE SAME

The present invention relates to modified emulsion asphalt for cold asphalt concrete mixture and a manufacturing method thereof. More particularly, the present invention relates to modified emulsion asphalt for cold asphalt concrete mixture comprising 0.8 to 2.5 wt% of a slowly curing surfactant and 5.0 to 20.0 wt% of a modifier with respect to 100 wt% of the whole emulsion asphalt, wherein evaporation residues are present in a percentage of 50 to 65 wt%. The modified emulsion asphalt for cold asphalt concrete mixture according to the present invention is easily mixed with aggregate having cations and anions complexly composed in cold asphalt pavement, can be paved uniformly, prevents the separation and dispersion of the aggregate by increasing adhesion between the aggregate during the early stage of construction, can satisfy strength necessary for asphalt pavement, and can improve the low-temperature characteristics of cold recycled asphalt concrete mixture using recycled aggregate.