1. a City of Saskatoon, 610-350 3rd Avenue N, SK, S7K 6G7, Canada , (formerly PhD Candidate, Department of Civil and Geological Engineering, University of Saskatchewan, Saskatoon, Canada)
2. b Department of Civil and Geological Engineering , University of Saskatchewan , 57 Campus Drive, Saskatoon, SK, Canada , S7N 5A9 E-mail: