Director, Bucknell Writing Program

Educational Background

  • B.S.C.E., Bucknell University
  • M.S.C.E., Colorado State University
  • Ph.D., Colorado State University

Research Interests

  • enhanced waste containment barriers
  • waste-soil compatibility
  • contaminant transport
  • polymer-clay nanocomposites

Teaching Specialties

  • Soil Mechanics
  • Ground Improvement
  • Geoenvironmental engineering
  • Engineering Mechanics

Professional Registrations and Affiliations

  • Professional Engineer #37338, Colorado
  • Member, ASCE, Including the GeoInstitute and the Pennsylvania chapter

Selected Publications

Whittington, A.M., Brouse, S.M., Malusis, M.A., and Wakabayashi, K. (2013).  Efficient fabrication of polymer nanocomposites with effective exfoliation and dispersion by solid-state/melt extrusion.  Advances in Polymer Technology, in press.

Bohnhoff, G., Shackelford, C., Malusis, M., Scalia, J., Benson, C., Edil, T., Di Emidio, G., Katsumi, T., and Mazzieri, F. (2013).  Novel bentonites for containment barrier applications.  Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, France, Sept. 2-6, in press.

Malusis, M., Kang, J., and Shackelford, C. (2013).  Influence of membrane behavior on solute diffusion through GCLs.  Proceedings, TC 215 Symposium on Coupled Phenomena in Environmental Geotechnics, Torino, Italy, July 1-3, in press.

Malusis, M.A. and McKeehan, M.D (2013).  Chemical compatibility of model soil-bentonite backfill containing multiswellable bentonite. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 139(2), 1-10.

Malusis, M.A., Shackelford, C.D., and Maneval, J.E. (2012).  Critical review of coupled flux formulations for clay membranes based on nonequilibrium thermodynamics.  Journal of Contaminant Hydrology, Elsevier, Amsterdam, 152(1), 133-147.

Ruffing, D.G., Evans, J.C., and Malusis, M.A. (2012).  Long term in situ measurements of the volumetric water content in a soil-bentonite slurry trench cutoff wall.  State of the Art and Practice in Geotechnical Engineering, Proceedings of the 2012 GeoCongress, Geotechnical Special Publication 225, ASCE, Reston, Va., 3429-3436.

Hong, C., Shackelford, C.D., and Malusis, M.A. (2012). Compressibility and hydraulic conductivity of zeolite-amended soil-bentonite backfills. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 138(1), 15-25.

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Ruffing, D.G., Evans, J.C., and Malusis, M.A. (2011).  Evaluations of lateral earth pressure in a soil-bentonite slurry trench cutoff wall.  Proceedings, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, CD-ROM (ISBN 978-0-920505-47-2).

Malusis, M.A., Yeom, S., and Evans, J.C. (2011).  Hydraulic conductivity of model soil-bentonite backfills subjected to wet-dry cycling.  Canadian Geotechnical Journal, 48(8), 198-211.

Malusis, M.A., Maneval, J.E., Barben, E.J., Shackelford, C.D., and Daniels, E.R. (2010).  Influence of adsorption on phenol transport through soil-bentonite vertical barriers amended with activated carbon.  Journal of Contaminant Hydrology, 116, 58-72.

Ruffing, D.G., Evans, J.C., and Malusis, M.A. (2010).  Prediction of earth pressures in soil-bentonite cutoff walls.  GeoFlorida 2010: Advances in Analysis, Modeling, and Design, ASCE Geotechnical Special Publication 199, 2416-2425.

Malusis, M.A., McKeehan, M.D., and LaFredo, R.A. (2010). Multiswellable bentonite for soil-bentonite vertical barriers. Proceedings, 6th International Congress on Environmental Geotechnics, New Delhi, India, Nov 8-12, McGraw-Hill, 764-769.

Malusis, M.A., Barben, E.J., and Evans, J.C. (2009).  Hydraulic conductivity and compressibility of a model soil-bentonite backfill amended with activated carbon.  Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 131(5), 664-672.

Malusis, M.A., Davis, M., Overton, D., Castelbaum, D., and Wright, T. (2009).  Development of material and compaction requirements for a mixed clay/sand tailings impoundment liner.  Proc., Tailings and Mine Waste '09, D. Sego, M. Alostaz, and N. Beier, Eds., University of Alberta, Edmonton, Alberta, Canada, 89-100.

Malusis, M.A., Evans, J.C., McLane, M.H., and Woodward, N.R. (2008). A miniature cone for measuring the slump of soil-bentonite slurry trench cutoff wall backfill.  Geotechnical Testing Journal, ASTM, 31(5), 373-380.

Evans, J.C. and Malusis, M.A. (2008).  GeoChallenge as a curricular activity in geotechnical engineering education.  GeoCongress 2008: Geosustainability and Geohazard Mitigation, ASCE Geotechnical Special Publication 178, 773-780.

Barben, E.J., Malusis, M.A., and Evans, J.C. (2008).  Slump evaluation of soil-bentonite backfill amended with activated carbon.  GeoCongress 2008: Geotechnics of Waste Management and Remediation, ASCE Geotechnical Special Publication 177, 636-643.

Malusis, M.A. and Scalia, J. (2007). Hydraulic conductivity of an activated carbon-amended geosynthetic clay liner. GeoDenver 2007, New Peaks in Geotechnics, ASCE Geotechnical Special Publication No. 163, CD-ROM.

Malusis, M.A. and Benson, C.H. (2006). Lysimeters versus water-content sensors for performance monitoring of alternative earthen final covers. Unsaturated Soils 2006, ASCE Geotechnical Special Publication No. 147, 741-752.

Malusis, M.A. and Shackelford, C.D. (2004). Explicit and implicit coupling during solute transport through clay membrane barriers. Journal of Contaminant Hydrology, 72, 259-285.

Malusis, M. A. and Shackelford, C. D. (2004). Predicting solute flux through a clay membrane barrier. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 130(5), 477-487.

Malusis, M.A., Shackelford, C.D., and Olsen, H.W. (2003).  Flow and transport through clay membrane barriers.  Engineering Geology, 70(3-4), 235-248

Shackelford, C. D., Malusis, M. A., and Olsen, H. W. (2003). Clay membrane behavior for geoenvironmental containment, Soil and Rock America Conference 2003 (Proceedings of the joint 12th Panamerican Conference on Soil Mechanics and Geotechnical Engineering and the 39th U. S. Rock Mechanics Symposium), P. J. Culligan, H. H. Einstein, and A. J. Whittle, eds., Verlag Glückauf GMBH, Essen, Germany, Vol. 1, 767-774.

Malusis, M.A. and Shackelford, C.D. (2002). Coupling effects during steady-state solute diffusion through a semi-permeable clay membrane. Environmental Science and Technology, 36(6), 1312-1319.

Malusis, M.A. and Shackelford, C.D. (2002). Theory for reactive solute transport through clay membrane barriers. Journal of Contaminant Hydrology, 59(3-4), 291-316.

Malusis, M.A. and Shackelford, C.D. (2002).  Chemico-osmotic efficiency of a geosynthetic clay liner. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 128(2), 97-106.

Shackelford, C.D., and Malusis, M.A. (2002). Clay membrane behavior and coupled solute diffusion. Proceedings, Chemico-Mechanical Coupling in Clays; From Nano-Scale to Engineering Applications, Jun 28-30, 2001, Maratea, Italy, Swets & Zeitlinger, Lisse, 289-296.

Malusis, M.A., Shackelford, C.D., and Olsen, H.W. (2001).  Laboratory apparatus to measure chemico-osmotic efficiency coefficients for clay soils.  Geotechnical Testing Journal, ASTM, 24(3), 229-242.

Shackelford, C.D., Malusis, M.A., and Olsen, H.W. (2001). Clay membrane barriers for waste containment. Geotechnical News, 19(2), 39-43.

Malusis, M. A., Shackelford, C. D., and Olsen, H. W. (2001). Flow and transport through clay membrane barriers. Geoenvironmental Engineering, Geoenvironmental Impact Management, Proceedings of the 3rd BSA Conference on Geoenvironmental Engineering, Edinburgh, Scotland, September 17-19, 2001, R. N. Yong and H. R. Thomas, eds., Thomas Telford Publ., London, UK, 334-341.

Malusis, M.A. and Shackelford, C.D. (2001).  Modeling contaminant transport through clay membrane barriers. Proceedings, 2001 International Containment and Remediation Technology Conference, Orlando, FL, Jun. 10-13, Florida State University, Talahassee, FL, 146-149.

Shackelford, C.D., Malusis, M.A., Majeski, M.J., and Stern, R.T. (1999). Electrical conductivity breakthrough curves. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 125(4), 260-270.

Malusis, M.A., Adams, D.J., Reardon, K.F., Shackelford, C.D., Mosteller, D.C., and Bourquin, A.W. (1997).  Microbial transport in a pilot-scale biological treatment zone.  Proceedings, 4th International Symposium on In Situ and On Site Bioremediation, New Orleans, LA, April 28-May 1, 1997, Vol. 4, 559-564.

Malusis, M.A. and Shackelford, C.D. (1997).  Modeling biodegradation of organic pollutants during transport through permeable reactive bio-walls. Proceedings, 1997 International Containment Technology Conference and Exhibition, St. Petersburg, FL, Feb. 9-12, 1997, 937-944.

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