1. Department of Civil Engineering, National Cheng Kung University, No. 1 University Rd., Tainan 70101, Taiwan (Corresponding author), e-mail: tonyni@mail.ncku.edu.tw, https://orcid.org/0000-0003-1027-6919
2. Department of Civil Engineering, National Cheng Kung University, No. 1 University Rd., Tainan 70101, Taiwan