1. Professor, Department of Civil Engineering, National Taipei University of Technology, No. 1.Chung-Hsiao E. Rd., Sec.3, Taipei, Taiwan
2. Ph.D. Student, Department of Civil Engineering, National Taipei University of Technology, No. 1.Chung-Hsiao E. Rd., Sec.3, Taipei, Taiwan
3. Ph.D, Department of Civil Engineering, National Taipei University of Technology, No. 1.Chung-Hsiao E. Rd., Sec.3, Taipei, Taiwan