1. Ph.D. Candidate, Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India.
3. Director, Central Road Research Institute Delhi, Mathura Rd., PO CRRI, New Delhi 110025, India.