Dr Hadi Khabbaz is the Deputy Head of School for Research and an Associate Professor in the School of Civil and Environmental Engineering, University of Technology Sydney (UTS). He received his PhD in Geotechnical Engineering from the University of New South Wales, Australia. He is a recognised researcher in the area of pavement geotechnics, railway geotechnics, recycled waste and unsaturated soil mechanics. His research focuses on the theoretical and numerical analysis of soft soils, granular particles and unsaturated porous media.He has an H-Index of 33 in Google Scholar (26 in Scopus). He has 3900+ citations and 200+ publications. Hadi was the Deputy Chair and Chair of Australian Geomechanics Society (Sydney) in 2015-19. His awards include the Australian Learning and Teaching Council (ALTC) Citation Award, four best paper awards, UTS Learning and Teaching and Research Students Supervision Awards.Professor Yang Xiaois Full Professor of the School of Civil Engineering, Chongqing University. He received his Ph.D. degree on College of Civil and Transportation Engineering, Hohai University, Nanjing, China.He is a recognised researcher in the area ofrockfill dam, railway geotechnics, biotreatment geotechnics, recycled waste and granular flow mechanics. His research focuses on the testing and theoretical modelling of clay, silt, sand, rockfill, ballast, and biocemented soils.He has an H-Index of 27 in Scopus. He has 2300+ citations and 100+ publications.He got many awards, such as 2018 and 2019 Most Cited Chinese Researchers from Elsevier, John Carter Award in IACMAG, Excellent Doctoral Dissertation of Chinese Society for Rock and Mechanics and Engineering, et al. He is also Associate Editor of International Journal of Geomechanics, ASCE, and Editor Board Member of Acta Geotechnica; Canadian Geotechnical Journal; Soils and Foundations; et al.ProfessorJia-Ruey Chang is Full Professor of the Graduate Institute of Architecture and Sustainable Planning at National Ilan University, Taiwan (ORCID: 0000-0001-8313-7325). He received his Ph.D. degree on Department of Civil EngineeringatNational Central University, Taiwan. He currently serves as the President of Chinese Society of Pavement Engineering (CSPE), the Editor-in-Chief of International Journal of Pavement Research and Technology (IJPRT), Springer, and the Chairman of Pavement Engineering Committee of Chinese Institute of Civil and Hydraulic Engineering (CICHE). His researches focus on the application of advanced methodologies and technologies to pavement engineering and management.He has authored, co-authored and edited over 50 scientific journal papers, books, and conference papers.
