TC106 Unsaturated Soils of ISSMGE%Hong Kong Geotechnical Society (HKGES)%Geotechnical Division of Hong Kong Institute of Engineers (GD of HKIE)%Geotechnical Engineering Office of CEDD, HKSAR (GEO of CEDD)%City University of Hong Kong (CityU)%Hong Kong Polytechnic University (HKPU)%The University of Hong Kong (HKU)%Chinese Institution of Soil Mechanics and Geotechnical Engineering (CISMGE)%Hong Kong Tourism Board (HKTB)