1. Department of Civil Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan, https://orcid.org/0000-0002-6482-045X
2. Department of Civil Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan (Corresponding author), e-mail: louisge@ntu.edu.tw, https://orcid.org/0000-0002-1150-3733