National Aeronautical and Space Administration, NASA -GSA Site Screening, John F. Kennedy Space Center, May, 1977.
Sixth AIRAPT, International High Pressure Conference, University of Colorado, Boulder, Colorado, July, 1977.
Transportation Research Board, Annual Meeting, Washington, D.C., January, 1978.
American Society of Civil Engineers, Geotechnical Engineering Division Specialty Conference on Soil Dynamics and Geotechnical Earthquake Engineering, Pasadena, California, June, 1978.
Space Sciences Colloquium, Marshall Space Flight Center, NASA, Huntsville, Alabama, August, 1978.
Transportation Research Board, Annual Meeting, Washington, D.C., January, 1979.
Physics and Chemistry in Space Meeting, NASA, Goddard Space Flight Center, Greenbelt, Maryland, January, 1979.
Third International Conference on Numerical Methods in Geomechanics, Aachen, West Germany, March, 1979.
American Society for Testing and Materials, Annual Meeting and Symposium, Philadelphia, Pennsylvania, June, 1979.
Physics and Chemistry in Space Meeting, NASA, Johnson Space Center, Houston, Texas, October, 1979.
Workshop and Meeting on High Strength Concrete, NSF and University of Illinois at Chicago Circle, Chicago, Illinois, December, 1979.
North American Workshop on Generalized Stress-Strain and Plasticity Theories for Soils, NSF and McGill University, Montreal, Canada, May, 1980.
American Society for Testing and Materials, Annual Meeting and Symposium, “Shear Strength of Soils,” Chicago, Illinois, June, 1980.
American Society of Civil Engineers, Geotechnical Engineering Division, Geotechnical Construction Conference, San Francisco, January, 1981.
AIAA/ASME/ASCE/AHS, Twentysecond Structures, Structural Dynamics, and Materials Conference, Atlanta, Georgia, April, 1981.
International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, St. Louis, Missouri, April, 1981.
ASCE/ASME Mechanics Conference, Boulder, Colorado, June, 1981.
Twentysecond National Symposium in Rock Mechanics, Cambridge, Massachusetts, June-July, 1981.
Symposium on Implementation of Computer Procedures and Stress-Strain Laws in Geotechnical Engineering, Chicago, Illinois, August, 1981.
American Society of Civil Engineers, Geotechnical Specialty Conference, Engineering and Construction in Tropical and Residual Soils, Honolulu, Hawaii, January, 1982.