1. Deputy Director, Sangju District Office, Korea Rural Community Corporation, 5 Bukcheon-ro, Sangju 37160, Republic of Korea; Hwa-an Project Office, Korea Rural Community Corporation, 17 Jeokkeumro 1gil, Ansan 15358, Republic of Korea.
2. Professor, Dept. of Civil and Environmental Engineering, Sejong Univ., 209 Neungdong-ro, Gwangjin-gu, Seoul 05006, Republic of Korea (corresponding author).
3. Graduate Student, Dept. of Civil and Environmental Engineering, Sejong Univ., 209 Neungdong-ro, Gwangjin-gu, Seoul 05006, Republic of Korea.
4. Associate Professor, Dept. of Civil and Environmental Engineering, Seoul National Univ., 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea. ORCID: .