1. Senior Researcher, Dept. of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology, Daehwa-Dong 283, Goyangdae-Ro, Ilsanseo-Gu, Goyang-Si, Gyeonggi-Do, 10223, Republic of Korea.
2. Assistant Professor, Dept. of Civil Engineering, Gwangju Univ., 277 Hyodeck-ro, Nam-gu, Gwangju 61743, Republic of Korea. ORCID: . (corresponding author).