1. Professor and Associate Chair, Dept. of Civil Engineering, National Taiwan Univ., No. 1 Roosevelt Rd., Sec. 4, Taipei, Taiwan (corresponding author). E-mail:
2. Professor, Dept. of Civil Engineering, National Taiwan Univ., No. 1 Roosevelt Rd., Sec. 4, Taipei, Taiwan; CEO and Chief R&D Officer, Ruentex Group, 14F., No. 308, Section 2, Bade Road, Taipei, 104, Taiwan. E-mail:
3. Ph.D. Candidate, Division of Construction Engineering and Management, Dept. of Civil Engineering, National Taiwan Univ., No. 1 Roosevelt Rd., Sec. 4, Taipei, Taiwan.