1. Doctoral Student, Dept. of Civil Engineering, S. V. National Institute of Technology, Surat, Gujarat 395007, India (corresponding author).
2. Doctoral Student, Dept. of Civil Engineering, Indian Institute of Technology, Delhi 110 016, India.
3. Associate Professor, Dept. of Civil Engineering, S. V. National Institute of Technology, Surat, Gujarat 395007, India.
4. Professor, Dept. of Civil Engineering, Indian Institute of Technology, Delhi 110 016, India.