1. School of Civil, Environmental and Mining Engineering, The University of Western Australia, Perth, WA 6009, Australia; formerly Centre for Offshore Foundation Systems and ARC Centre of Excellence for Geotechnical Science and Engineering, The University of Western Australia.
2. Centre for Offshore Foundation Systems and ARC Centre of Excellence for Geotechnical Science and Engineering, The University of Western Australia, Perth, WA 6009, Australia.
3. Pritchard Francis, Subiaco, WA 6904, Australia; formerly School of Civil, Environmental and Mining Engineering, The University of Western Australia, Perth, WA 6009, Australia.