1. Assistant Professor, Dept. of Civil Engineering, Indian Institute of Technology Madras, Chennai 600 036, India (corresponding author).
2. Professor, Dept. of Civil Engineering, and Chairman, Center for Sustainable Technologies, Indian Institute of Science, Bangalore 560 012, India.
3. Former Postgraduate Student, Dept. of Civil Engineering, National Institute of Technology Warangal, Warangal 506 004, India.
4. Research Student, Dept. of Civil Engineering, Indian Institute of Technology Madras, Chennai 600 036, India.