1. Geotechnical Engineer, WorleyParsons Industrial and Infrastructure, Level 6 QV1 Building, 250 St. Georges Terrace, Perth, WA 6000 Australia; formerly, PhD Student, School of Civil and Resource Engineering, the University of Western Australia.
2. Professor, Dept. of Engineering Science, Oxford Univ., Parks Rd., Oxford, OX1 3PJ, UK.
3. Associate Professor, The School of Civil and Resource Engineering, Univ. of Western Australia, Crawley, Western Australia, 6009.