• Stress-strain conditions in the NGI type direct simple shear test,
• Fundamental aspects of the cyclic and dynamic behavior of clays, silts and sands under uniform and irregular cyclic loads,
• Small-strain cyclic and dynamic behavior of soils,
• Liquefaction mechanism using nonlinear computer models and case history studies,
• Behavior of soil-nailed excavations during earthquakes using centrifuge modelling,
• Development of geotechnical site data bases and their utilization in seismic microzoning using GIS.

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• Ph.D., (1986), Rensselaer Polytechnic Institute, Troy, NY
• M.S., (1981), University of Zagreb, Croatia
• B.S., (1976), University of Zagreb, Croatia

• Norwegian Government Intrernational Research Fellowship for research at the Norwegian Geotechnical Institute, Oslo, Norway, 1980
• The Thomas Archibald Bedford Prize, Rensselaer Polytechnic Institute, 1986
• Faculty Career Development Award, UCLA, 1992

CEE 120: Principles of Soil Mechanics CEE 128L: Soil Mechanics Laboratory CEE 222: Introduction to Soil Dynamics CEE 223: Earth Retaining Structures CEE 224: Advanced Cyclic and Monotonic Soil Behavior CEE 228L: Advanced Soil Mechanics Laboratory