1. Geotechnical Engineer, Advanced Geomechanics, 4 Leura Street, Nedlands, Western Australia 6009; currently, Geotechnical Engineer, Benthic Geotech Pty. Ltd., 8-10 Leeds St., Rhodes, New South Wales 2138, Australia (corresponding author).
2. Professor, Centre for Offshore Foundation Systems, Univ. of Western Australia, 35 Stirling Hwy, Crawley, West Australia 6009, Australia.