1. Assistant Professor, Dept. of Civil Engineering, College of Engineering, Trivandrum 695 016, Kerala, India (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, College of Engineering, Trivandrum 695 016, Kerala, India.
3. QC Engineer, General Agencies and Contracting, P.O. Box 30013, Yanbu Al Sinaiyah, Kingdom of Saudi Arabia; formerly, Postgraduate Student, Dept. of Civil Engineering, College of Engineering, Trivandrum 695 016, Kerala, India.