1. Geotechnical and Hydrogeological Engineering Research Group (GHERG), Federation University Australia, Building 4W, Northways Road, Churchill, VIC 3842, AU, e-mail: tolooiyan@gmail.com
2. Professor, Geotechnical and Hydrogeological Engineering Research Group (GHERG), Federation University Australia, Building 4W, Northways Road, Churchill, VIC 3842, AU, e-mail: rae.mackay@federation.edu.au
3. School of Engineering and IT, Federation University Australia, Building 4W, Northways Road, Churchill, VIC 3842, AU, e-mail: jianfeng.xue@federation.edu.au