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Education

• Ph.D., Geotechnical Engineering, University of Maryland, College Park.
• M.S., Geotechnical Engineering, University of Maryland, College Park.
• B.S., Civil Engineering, University of Shiraz, Shiraz, Iran.

Teaching

• Soil Mechancis (CE 171A)
• Soils and Foundations (CM 135)
• Mechnics of Materials (ENGR 112)
• Computer Applicatons in Civil Engineering (CE 101)
• Introduction to Earthquake Engineering (CE 184)
• Advanced Soil Mechancis Laboratory (CE 284c)
• Soil Dynamics & Earthquake Engineering (CE 284)
• Ground Modification Engineering (CE 283)

Research Interests

• Geotechnical Engineering: Soils Properties & In-situ Testing, Foundation Engineering, Earthquake Engineering, Ground Modification Engineering.

Professional Experience

• Assistant Professor, California State University, Sacramento, California (2003-present)
• Research Engineer, Division of Research & Innovation, CALTRANS, Sacramento, California (2000-2003)
• Lecturer, Department of Civil Engineering, CSU, Sacramento, California (2002-2003)
• Project Engineer, TOA Corporation, Yokohama, Japan (1997-2000)
• NSF Post-doctoral Fellow, Science & Technology Agency, Japan (1995-1997)
• Research Assistant, University of Maryland, College Park (1992-1994)
• Staff Engineer, Geotechnical Services Inc., Maryland (1989-1992)
• Teaching Assistant, University of Maryland, College Park (1987-1989)

Awards & Honors

• 2008 ASCE Excellence in Civil Engineering Education (ExCEEd) National Teaching Award (http://www.csus.edu/news/052208Porbaha.stm)
• 2008 ASCE Faculty Advisor of the Year (Region 9) Award
• 2008 University’s Outstanding Faculty Advisor Award
• 2008 ADSC Faculty Development Fellowship (Summer 2008)
• 2007 University President’s Award for Research and Creativity (http://www.csus.edu/bulletin/bulletin041607/bulletin041607Award.stm)
• 2007 Outstanding Professor in Civil Engineering, Tau Beta Pi, National Engineering Honor Society
• 2006 Outstanding Service Award, ASCE Sacramento Section
• 2005-2006 Research and Creativity Activity (RCA) Award
• 2005 ASCE/EXCEED (Excellence in Civil Engineering Education) Summer Fellowship
• 2005 North American Regional Reporter, Swedish Geotechnical Institute
• 2005 PDCA Professors’ Piling Institute Summer Fellowship
• 2004-2005 Research and Creativity Activity (RCA) Award
• 2004 CSUS Probationary Faculty Development Award
• 2003 Superior Accomplishment Award (Gold & Silver), CALTRANS
• 2002 AASHTO Quality Team Award (Trailblazer), with the members of Geo-Research Group including Cliff Roblee, Tom Shantz, Loren Turner, and Brian Chiou
• 2002 FHWA/AASHTO international technology scan tour to Belgium, Germany, Italy, the Netherlands, Sweden
• 1995-1997 Post-doctoral Fellowship, National Science Foundation (NSF) and Science and Technology Agency (STA) of Japan
• 1993 ASCE, Daniel Mead Prize (National Level) for the paper published in ASCE
• 1993 General Electric Foundation Fellowship
• 1991-1993 Graduate Research Assistantship by the NSF and Polyfelt
  

Professional Membership

• American Society of Civil Engineers (ASCE)
• Seismic & Lateral Load Committee (S&LL), Deep Foundation Institute (DFI)
• Soil Improvement Committee, Geo-Institute (G-I),
• Cementitious Stabilization Committee (AFS80), Transportation Research Board (TRB)
• Foundations of Bridges and Other Structures (AFS30), Transportation Research Board (TRB)
• Earthquake Engineering Research Institute (EERI)
• American Society of Engineering Education (ASEE)
• International Association of Foundation Drilling (ADSC)
• International Society of Soil Mechanics & Geotechnical Engineering (ISSMGE)
• United States Council on Geotechnical Engineering Research (USUCGER)

Selected Publications

Siddharthan, R., and Porbaha, A. (2008) Seismic response evaluation of sites improved by deep mixing _ Part I: Proposed Approach, Ground Improvement, Journal of Institute of Civil Engineers, Thomas Telford, Volume 161, Issue 3, 153-162, http://www.t-telford.co.uk/JOL/

 Siddharthan, R., and Porbaha, A. (2008) Seismic response evaluation of sites improved by deep mixing _ Part II: Verification, Ground Improvement, Journal of Institute of Civil Engineers, Thomas Telford, Volume 161, Issue 3, 162-169, http://www.t-telford.co.uk/JOL/

Porbaha, A., Shen S. L., Wartman J. and Chai, J. C. (2006), Editors, “Ground modification and seismic mitigation”, Proceedings of GeoShanghai 2006, Shanghai, China, June 6-8, Geotechnical Special Publication No.152, published by American Society of Civil Engineers, Reston, Virginia (ISBN:0784408645).

Bouassida, M., and Porbaha, A. (2004) Ultimate bearing capacity of soft clays reinforced by a group of columns _ Application to deep mixing technique,  Soils and Foundations, Journal of Japanese Geotechnical Society, Vol. 44, No. 3, June issue, 91-101.

Porbaha, A. (2002) State of the art in quality assessment of deep mixing technology, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 6, No.3, 95-120.

Porbaha, A., and Hanzawa, H. (2001) Ground modification by vertical fly ash columns, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 5, No. 3, 101-106. 

Porbaha, A., Raybaut, J. L., and Nicholson, P. (2001) State of the art in construction aspects of deep mixing technology, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 5, No. 3, 123-140.

Porbaha, A., Pradhan, T.B.J., and Kishida, T. (2001) Static response of fly ash columnar improved ground, Canadian Geotechnical Journal, Vol. 38, No. 2, 276-286.


Tsuchida, T., Porbaha, A., and Yamane, N. (2001) Development of a geomaterial from dredged bay mud, Journal of Materials in Civil Engineering, ASCE, Vol. 13, No. 2, March/April, 152-160.


Porbaha, A., Zhao, A., Kobayashi, M., and Kishida, T. (2000) Upper-bound estimate of scaled reinforced retaining walls, Geotextiles and Geomembranes, Journal of International Geosynthetics Society, Elsevier Science Limited, UK, Vol. 18, No. 6, 403-413.


Porbaha, A. (2000) Design considerations of deep mixing- state-of-the-art, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 4, No. 3, 111-125.

Porbaha, A., Pradhan, T.B.J., and Yamane, N. (2000) Time effect on shear strength and permeability of fly ash, Journal of Energy Engineering, ASCE, Vol. 126, No. 1, 15-31

Porbaha, A. Shibuya, S., and Kishida, T. (2000) Geomaterial characterization of deep mixing, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 4, No. 3, 91-110.

Tsuchida, T., Porbaha, A., and Kishida T. (1999) Restoration of a wharf structure, Journal of Performance of Constructed Facilities, ASCE, February issue, Vol. 13, No. 1, 2-7.

Porbaha, A., Zen, K., and Kobayashi, M.(1999) Deep mixing technology for liquefaction mitigation, Journal of Infrastructure Systems, ASCE, March issue, Vol.5, No.1, 21-34.

Porbaha, A., Tsuchida, T., and Kishida, T. (1999) Air-transported stabilized dredged fill, Part II-Quality assessment, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 3, No. 2, 59-66.

Porbaha, A. Hanzawa, H., and Shima, M. (1999) Air-transported stabilized dredged fill, Part I-Pilot study, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 3, No. 2, 49-58.

Porbaha, A. (1998) Traces of slip surfaces of reinforced retaining structures, Soils and Foundations, Journal of Japanese Geotechnical Society, Vol. 38, No.1, 89-95.

Porbaha, A., Tanaka, H., and Kobayashi, M.(1998) State-of-the-art in deep mixing technology, Part II: Applications, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 2, No. 3, 125-139.

Lesniewska, D., and Porbaha, A. (1998) Numerical simulation of scaled retaining walls by rigid plastic approach, International Journal of Computers and Geotechnics, Elsevier Science Limited, Vol. 23, No.1/2, 113-129.

Porbaha, A. (1998) State-of-the-art in deep mixing technology, Part I: Basic concepts, Ground Improvement, Journal of International Society of Soil Mechanics and Geotechnical Engineering, Vol. 2, No. 2, 81-92.

Porbaha, A., and Goodings, D. J. (1997) Laboratory investigation of nonuniformly reinforced soil retaining structures, Geotechnical Testing Journal, American Society for Testing Materials, ASTM, Vol. 20, No.3, 289-295.

Porbaha, A. (1997) Effect of foundation on the behavior of reinforced retaining structures,  Indian Geotechnical Journal, Journal of Indian Geotechnical Society, Vol. 27, No.2, 129-145.

 Porbaha, A., and Goodings, D. J. (1996) Centrifuge modeling of geotextile reinforced cohesive soil retaining walls, Journal of Geotechnical Engineering, ASCE, Vol. 122, No. 10, 840-848.

Porbaha, A. (1996) Geotextile reinforced lime-treated cohesive soil retaining walls, Geosynthetics International, Journal of the International Geotextile Society, Industrial Fabrics Association International, Vol. 3, No. 3, 393-405.

 

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