1. Senior Lecturer, Griffith School of Engineering, Griffith Univ., Gold Coast Campus, Southport, QLD 4215, Australia (corresponding author).
2. Research Scientist, Salisbury Research Facility, Queensland Government, Salisbury, QLD 4107, Australia.
3. Former Undergraduate Student, Griffith School of Engineering, Griffith Univ., Southport, QLD 4215, Australia.
4. Associate Professor, School of Civil Engineering, Univ. of Sydney, Camperdown NSW 2006, Australia.