Research Activities Listed below are research activities that Dr. Zornberg has conducted or is conducting. Each can be followed for further description and references pertaining to each topic. Performance of Reinforced Soil Slopes under Working Stress ConditionsCentrifuge Modeling of Unsaturated FlowBehavior of Alternative Landfill Cover SystemsBehavior of Fiber-Reinforced SoilReinforcement of Poorly Draining SoilsCharacterization of Tire Bales Used for Light-Weight BackfillPerformance of Buried Pipes Overlying a VoidMechanical Characterization of Solid WasteHydraulic Characterization of Geomembrane DefectsInternal and Interface Shear Strength of Geosynthetic Clay LinersTime-Dependent Behavior of Geosynthetic ReinforcementsShear Strength Characterization using Non-Conventional TestingGeosynthetic-Reinforced Retaining WallsGeosynthetic-Reinforced Bridge AbutmentsLaboratory and Field Characterization of Tire-Soil Mixtures