1. Senior Lecturer in Civil Engineering, College of Engineering and Science, Victoria Univ., Melbourne, VIC 3011, Australia; formerly, Senior Lecturer in Civil Engineering, School of Engineering and Physical Sciences, James Cook Univ., Townsville, QLD 4811, Australia (corresponding author).
2. Former Honours Project Student, School of Engineering and Physical Sciences, James Cook Univ., Townsville, QLD 4811, Australia.