1. Professor, Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India (corresponding author).
2. Senior Scientist, RDM Division, CSIR-Central Road Research Institute, Mathura Rd., New Delhi 110025, India.
3. Research Scholar, Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India.
4. Principal Scientist, RDM Division, CSIR-Central Road Research Institute, Mathura Rd., New Delhi 110025, India.