1. Associate Professor, Dept. of Civil Engineering, College of Engineering, Thiruvananthapuram, Kerala 695016, India (corresponding author).
2. M.Tech. Student, Dept. of Civil Engineering, College of Engineering, Thiruvananthapuram, Kerala 695016, India.
3. Associate Professor, Dept. of Civil Engineering, College of Engineering, Thiruvananthapuram, Kerala 695016, India.