1. Ph.D. Candidate, Centre for Offshore Foundation Systems, The Univ. of Western Australia, 35 Stirling Highway, Crawley, Perth, AU 6009, e-mail: 21164085@student.uwa.edu.au
2. Associate Professor, Centre for Offshore Foundation Systems, The Univ. of Western Australia, 35 Stirling Highway, Crawley, Perth, AU 6009 (Corresponding author), e-mail: conleth.oloughlin@uwa.edu.au
3. Ph.D. Candidate, Centre Centre for Offshore Foundation Systems, The Univ. of Western Australia, 35 Stirling Highway, Crawley, Perth, AU 6009, e-mail: 21164067@student.uwa.edu.au
4. Ph.D. Candidate, Centre for Offshore Foundation Systems, The Univ. of Western Australia, 35 Stirling Highway, Crawley, Perth, AU 6009, e-mail: 21161881@student.uwa.edu.au
5. Professor, Centre for Offshore Foundation Systems, The Univ. of Western Australia, 35 Stirling Highway, Crawley, Perth, AU 6009, e-mail: christophe.gaudin@uwa.edu.au
6. Professor, Centre for Offshore Foundation Systems, The Univ. of Western Australia, 35 Stirling Highway, Crawley, Perth, AU 6009, e-mail: david.white@uwa.edu.au