1. Ph.D. Student, Faculty of Engineering and Built Environment, Univ. of Newcastle, Callaghan, NSW 2308, Australia (corresponding author).
2. Associate Professor, Faculty of Engineering and Built Environment, Univ. of Newcastle, Callaghan, NSW 2308, Australia.
3. Professor, Faculty of Engineering and Built Environment, Univ. of Newcastle, Callaghan, NSW 2308, Australia.
4. Research Associate, Faculty of Engineering and Built Environment, Univ. of Newcastle, Callaghan, NSW 2308, Australia.