1. Associate Professor, UTM Construction Research Center, Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia (corresponding author).
2. Professor, UTM Construction Research Center, Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia.
3. Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia.