1. Assistant Professor, Dept. of Civil Engineering, Chosun Univ., Gwangju 61452, South Korea; formerly, Postdoctoral Researcher, Yonsei Univ., Seoul 03722, South Korea.
2. Manager, Engineering Team, Sangju-Yeongcheon Highway Co., Ltd., Sangju-si 37204, South Korea; formerly, Master Student, Yonsei Univ., Seoul 03722, South Korea.
3. Professor, Dept. of Civil and Environmental Engineering, Yonsei Univ., Seoul 03722, South Korea (corresponding author).