1. Dept. of Civil Engineering, National Institute of Technology Uttarakhand, Srinagar, Uttarakhand 246174, India.
2. Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India.
3. Dept. of Civil Engineering, Institute of Infrastructure Technology Research and Management, Ahmedabad, Gujarat 380026, India.