1. Lecturer, Department of Regional Infrastructures Engineering, Kangwon National Univ., Chuncheon, 200-701, KR, e-mail: sungun2001@hanmail.net
2. Researcher, Research Institute for Korea Petroleum Industrial Co., Ltd., Ansung, Gyeongido, KR, e-mail: sfireswing@hanmail.net
3. Graduate student, Department of Regional Infrastructures Engineering, Kangwon National Univ., Chuncheon, 200-701, KR, e-mail: bluelife86@hanmail.net
4. Professor, Dept. of Regional Infrastructures Engineering, Kangwon National Univ., Chuncheon, 200-701, KR (Corresponding author), e-mail: asphaltech@hanmail.net