1. Professor, Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia.
2. Ph.D. Researcher, Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia (corresponding author).
3. Professor, Faculty of Civil And Environmental Engineering, Universiti Malaysia Pahang, 25000 Kuantan, Pahang, Malaysia.