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홍인권 ( In Kwon Hong ),전길송 ( Gil Song Jeon ),양창배 ( Chang Bae Yang ),이승범 ( Seung Bun Lee ) 한국공업화학회 2014 공업화학 Vol.25 No.4
This study was carried out to design the optimum mixing ratio of aggregate, cyclic aggregate, and binder (moisture, emulsifiedasphalt, and emulsion type additives) and produce recycling cold asphalt paving mixture satisfying site work standard. Thecyclic aggregate satisfying KS F 2572 was collected from waste asphalt by adequate processing. As the moisture content increased,the shearing strength was decreased. The maximum marshall stability was shown at the 3.0 wt% moisture content. So the optimum moisture content was 3.0 wt%. The marshall stability and flow value with the amount of emulsified asphaltwas satisfied in the range of 0.5∼2.5 wt%, and the porosity was satisfied in the range of 0.7∼2.5 wt%. So the optimumamount of emulsified asphalt was 1.6 wt%. The optimum amount of emulsion type additive was 0.1 wt% in the light of marshallstability and degree of saturation of recycling cold asphalt mixture.