1. Ph.D. Student, Dept. of Civil Engineering, Indian Institute of Technology Madras, Chennai 600036, India.
2. Graduate Research Assistant, Dept. of Civil Engineering, Univ. of Nebraska, Lincoln, NE 6855583.
3. Associate Professor, Dept. of Engineering Design, Indian Institute of Technology Madras, Chennai 600036, India.
4. Associate Professor, Dept. of Civil Engineering, Indian Institute of Technology Madras, Chennai 600036, India (corresponding author).
5. Associate Professor, Dept. of Civil Engineering, Iowa State Univ., Ames, IA 52242.