1. Professor, Dept. of Construction Safety and Disaster Prevention, Daejeon Univ., Daejeon 34520, South Korea. ORCID: .
2. CEO, Geotech Consultants Co., 166 Gosan-ro, Gunpo, Kyunggi 15850, South Korea.
3. Professor, Dept. of International Logistics, Daejeon Univ., Daejeon 34520, South Korea (corresponding author).