Rainfall - induced landslides: mechanism, assessment, characterization, instrumentation and preventive measures
Unsaturated Soil Mechanics: laboratory testing, field measurements and numerical modelling
Capillary Barrier System for slope stabilization and Geo-Barrier System for retaining structure using the principles of unsaturated soil mechanics
Behaviour of unsaturated tropical soils: shear strength, air and water flows, suction measurements
Soil improvement for tree stability
Specialised laboratory soil testing and field instrumentation for unsaturated soils