PRESENTATIONS

" Vertical Drains in Geotechnical Engineering: State of the Art Review" the 7th International Offshore and Polar Engineering Conference, Honolulu, Hawaii,Vol 1, pp. 714-719, June 97.

J " Developments in Prefabricated Vertical Drain Enhanced Soil Flushing," the 7th International Offshore and Polar Engineering Conference, Honolulu, Hawaii, Vol 1, pp. 703-706, June 97.

"Load-Deformation Characteristics of Geogrid-Reinforced Sand Using Plate Load Tests,"Nartional Research Council, Transportation Research Board 76th Annual Meeting, Washington, D. C., January 1997.
"Filtration Behavior of Non-Woven Geotextiles with Fly Ash: Field Versus Laboratory Performance," Nartional Research Council, Transportation Research Board 76th Annual Meeting, Washington, D. C., January 1997.
"Injectability and Durability of Urethane as a Permeation Grout for Subsurface Containment of Waste," International Topical Meeting on Nuclear and Hazardous Waste Management, American Nuclear Society, Spectrum '96, Seattle, Wasgington, August 1996.
"Clogging and Piping Criteria for Geotextile Filters with Fly Ash," The 3rd International Symposium on Environmental Geotechnology, San Diego, June 10-12, 1996.
"Development of Fly Ash-based Low Permeability Flowable Fill," The 3rd International Symposium on Environmental Geotechnology, San Diego, June 10-12, 1996.
" Kinetics of Naphthalene Removal from Sand and Kaolinite/Sand Soils Using SDS Surfactant," 6th International Offshore and Polar Engineering Conference, Los Angeles, CA, May 26-31, 1996.
"Retention and Permeation of Fly Ash Using Nonwoven Geotextiles," Geofilters 96, 2nd International Conference, Montreal, Canada, May 1996.
"Nuclear Gage Tests on Soils Containing Various Sized," American Society of Civil Engineers Annual National Meeting, San Diego, CA, October 1995.
"Effect of SDS Surfactant on the Hydraulic Conductivity of Sand/Kaolinite Soils," the Xth Pan American Conference on Soil Mechanics and Foundation Engineering, Guadalajara, Mexico, October 1995.
"Formation of In Situ Liner System Using Remote Mining Technique," Geosynthetics '95, Industrial Fabrics Association International, Nashville, TN, February 1995.
"Prefabricated Vertical Drains (PVD) for Enhanced Soil Flushing," Geoenvironment 2000, American Society of Civil Engineers, New Orleans, LA, February 1995.
"Permeability Characteristics of Fly Ash with Nonwoven Geotextile," the 11th International Symposium on Coal Ash Use and Management, Orlando, Florida, January 1995.
"Leachate Characteristics of Fly Ash Stabilized with Lime Sludge," Transportation Research Board, 74th Annual Meeting, Washington, D. C., January 1995.
"Compressibility Properties if Municipal Solid Waste," 10th International Conference on Solid Waste Management, Philadelphia, PA, November 1994.
"Low Cement Stabilization of fly ash/scrubber sludge Grout for Engineering Applications," the 26th Mid-Atlantic Industrial and Hazardous Waste Conference, Newark, July 1994.
"Contaminant Transport Model for Soil Flushing Using Prefabricated Vertical Drains (PVD)," the 26th Mid-Atlantic Industrial and Hazardous Waste Conference, Newark, July 1994.
"Study of Clogging Behavior of Nonwoven Geotextiles with Fly Ash Using Gradient Ratio Tests," the 26th Mid-Atlantic Industrial and Hazardous Waste Conference, Newark, July 1994.
"Simplified Model for Evaluation of Tensile Strains in Liner Systems Over Subsurface Cavities," the 26th Mid-Atlantic Industrial and Hazardous Waste Conference, Newark, July 1994.
"Settlement Analysis of Landfill Liners Over Deep Mined Areas," American Society of Civil Engineering, Settlement 94, Texas A&M, College Station, June 1994.
"Groundwater Modeling Analysis of Acid Mine Drainage Remediation Schemes," The Third International Conference on the Abatement of Acid Mine Drainage, April 1994.
"Fly Ash/Sludge Grout for Abatement of AMD," The Third International Conference on the Abatement of Acid Mine Drainage, April 1994.
" Use of PVD for Drain Enhanced Soil Flushing," Annual Review Meeting, Morgantown Energy Technology Center, Department of Energy, Morgantown, February 1994.
"Data Acquisition System and Computer Control of Calibration Chamber Tests on Sand," Transportation Research Board 73rd Annual Meeting, Washington, D. C, January 1994.
"Buckling of Friction Piles Supporting Bridge Foundation," Transportation Research Board 73rd Annual Meeting, Washington, D. C., January 1994.
"Remote Mining for In Situ Waste Containment," ASCE Section meeting, Clarksburg, West Virginia, December 1993.
"Transient Seepage Analysis of Sardis Dam Under PMF Conditions" Army Corps of Engineer, Vicksbrug District, Vicksburg, Mississippi, December 1993.
"Analysis of Landfill Liner System on a Foundation with an Infinitely Long Void," 7th Geosynthetic Research Institute Conference on Liner System, Philadelphia, PA, December, 1993.
"3-D Deformation Analysis of Pile Groups During Wave Loading," ASCE Annual Convention, Dallas, Texas, October 1993.
"Stability of Geogrid-Reinforced Landfill Liners Over Sinkholes," International Symposium on Earth Reinforcement Practice, Japan, November 1992. Prepared presentation and slides. Actual presentation was delivered by Dr. James Collin
"Analysis of a Landfill Over a Deep Mined Area: A Case Study," Third Subsidence Workshop due to Underground Mining, West Virginia University, June 1992.
"Overview of Landfill Design Practice," The 24th Mid-Atlantic Industrial and Hazardous Waste Conference, Morgantown, WV, June 1992.
"Soil-Rock Transition: A Multi-Standard Perspective," American Society of Civil Engineering National Convention, Orlando, Florida, October 1991.
"Lateral Response of Rigid Piers in Sand, Clay, and Layered Profiles," Meeting of Transportation Research Board Washington, D.C., January 1990.
"LTBASE: Lateral Analysis of Piers Including Base and Slope Effects: Program Documentation," Meeting of the Transportation Research Board, Washington, D.C., January 1989.
"Sensitivity Study of the Cyclic Axial Capacity of a Single Pile," Meeting of ASCE Foundation Engineering Congress, Northwestern University, Evanston, Illinois, June 1989.

2. Seminars and Colloquia

" Landfills Over Deep Mined Areas," Presentation to the Department of Mining Engineering, College of Engineering and Mineral Resources, West Virginia University, November 1995.
Cone Penetration Workshop" Invited by the Engineering and Environmental Sciences Division of the U.S. Army Research Office, The University of Texas at Austin, June 1993.
"Use of Fly Ash for Abatement of AMD," Presentation to Ash Resources Company, Morgantown, September 1993.
"Project Management in Civil Engineering: Overview" Presentation to Fairmont State College, July 1993.
"Designing with Geosynthetics," Presentation to the Department of Environmental Protection, Morgantown, 1992.
"Load-Deflection Analysis of Laterally Loaded Piers'" Presentation to the Department of Civil Engineering, Tufts University, Boston, 1990.
"Dilatometer for Lateral Pile Response," Norwegian Geotechnical Institute, Lecture Series, May 1988.
"Piers on Slopes: Lateral Analysis," Norwegian Geotechnical Institute, Lecture Series, March 1988.
"DLIT and KRIG, Computer Programs for the Evaluation of Spatial Variability of Soils," Norwegian Geotechnical Institute, Lecture Series, July 1988.
"Knowledge-Based System for Offshore Soil Investigation Strategy," Presentation to Project Research Group, Annual Meeting, Norwegian Geotechnical Institute, October 1988.
"Dilatometer Model for Lateral Analysis of Piers Based on Calibration Chamber Data," Presentation to the Department of Civil Engineering, Polytechnic University, New York, 1988.