1. Professor, Dept. of Civil Engineering, National Taiwan Univ., Number 1, Section 4, Roosevelt Rd., Taipei 10617, Taiwan (corresponding author).
2. Ph.D. Student, Dept. of Civil Engineering, National Taiwan Univ., Number 1, Section 4, Roosevelt Rd., Taipei 10617, Taiwan.
3. Associate Professor, Dept. of Digital Content Designs and Management, Toko Univ., Number 51, Section 2, University Rd., Pu-Tzu City, Chia-Yi County 61363, Taiwan.