1. Department of Civil Engineering, TKM College of Engineering, Kerala, Kollam 691005, India
2. Department of Civil Engineering, National Institute of Technology, Kerala, Calicut 673601, India
3. Department of Civil Engineering, National Institute of Technology, Karnataka, Surathkal, Mangalore 575025, India
4. Department of Civil Engineering, College of Engineering, Thiruvananthapuram 695016, India