1. Department of Civil Engineering, Dong-A University, #37, 550 Nakdong-daero, Busan 49315, Republic of Korea (Corresponding author), e-mail: sgchung@dau.ac.kr, https://orcid.org/0000-0002-4447-019X
2. Department of Civil Engineering, Dong-A University, #37, 550 Nakdong-daero, Busan 49315, Republic of Korea