ACADEMIC

Academic Activities

• Vice Chancellor’s Task Force for Evaluation of NRI proposals, 2002
• Participation in evaluation of the performance of faculty that are not at the full professor, 2002-present
• Promotion and Tenure Committee, Department of Civil Engineering, 1989-96, 1998-99, 2002-present (elected)
• Member of UNL Search Committee for Technology Transfer Specialist, 2001
• Member of team proposing  a Ph.D. program in Architectural Engineering, 2001
• Faculty Representative on the Faculty Advisory Committee to the IST & E Council, 1997-00 (elected)
• Member Department Graduate Committee, 1997-99
• Ad Hoc Committee on Dept. Governance, 1996
• Member, Executive Graduate Council, University of Nebraska, 1990‑present
• Member, Faculty Research Advisory Committee,  1990‑99
• Chairman, Research Committee, Department of Civil Engineering,  1987‑89, 1996-97
• Member, Department Planning Committee, Department of Civil Engineering, University of Nebraska, 1983‑87, 1990‑95
• Coordinator, Structural Engineering Faculty, Department of Civil Engineering, 1980‑90
• Chairman, Faculty Search Committee, Department of Civil Engineering, 1981‑82 and 1988‑89; Member 1982‑83
• Member, Future Directions Committee, Department of Civil Engineering, 1979‑83
• Member, Computer Committee, College of Engineering and Technology, 1983‑85
• Member, Academic Appeals Committee, College of Engineering and Technology, 1980‑83
• Faculty Advocate, Center for Improvement of Instruction, 1979‑85
• Faculty Advisor, American Society of Civil Engineers, Student Chapter, 1979‑82.  During my service the students had numerous successful projects and established national visibility by winning two concrete cube contests, ASCE scholarships, canoe racing contest, and others.
• Faculty Advisor, Chi Epsilon, Civil Engineering Honorary Society, 1984‑1992.

Courses Taught

• 1979‑present-Bridge Design; Behavior of Reinforced Concrete Members; Structural Systems in Reinforced Concrete; Reinforced Masonry Design; Reinforced Concrete II; Reinforced Concrete I; Finite Element Analysis; Prestressed Concrete; Structural Analysis II, Statics; Foundation Design.
• 1977‑1979- Structural Analysis I; Introduction to Structural Design (concrete, steel, & timber); Structural Design I; Reinforced Concrete Members; Prestressed Concrete; Analysis and Design of Multistory Structures; Structural Systems (jointly with other faculty). 
• 1967-1972- Theory of Structures I, II, III; Properties and Testing of Materials; Reinforced Concrete Design I, II; Metallic Structures Design; Contracts and Specifications; Strength of Materials
• 1972‑1975- Engineering Mechanics I, II; Behavior of Solid Materials; Mathematics for Engineers; Theory of Structures I, II; Structural Design I.

Research Projects

• 2008 to 2009, Shallow Floor System, Concrete Industries Inc., $25,000, Tadros. Pankow Foundation was requested on July 29, 2008 to provide $105,000 of additional funds (the Foundation Executive Director has given tentative approval)
• 2007 to 2008, Welded Wire Reinforcement versus Random Steel Fibers in Ultra-high Performance Prestressed Concrete Girder, Welded Reinforcement Institute, $25,000
• 2008 to 2010, Ultra-High Performance Concrete in Standard Prestressed Concrete Product,  Precast/Prestressed Concrete Institute, $20,000
• 2007/01/07 to 2009, Guide lines for Transverse Design and Detailing of Adjacent Box Beams  Precast/Prestressed Concrete Institute, $20,000
• 2008 to 20 09, Design Aid of NU-I Girder Bridges, Nebraska Department of Roads, 59,636,
• 2007 to 2010, Impact of Large 0.7 inch Strands on NU-I Girder, Nebraska Department of Roads,$244,408
• 2007 to 2008, Ultra-High Performance Concrete NU-I Girder, Nebraska Department of Roads,$39,533
• 2006 to 2008, Columbus Viaduct System, Nebraska Department of Roads,$26,023
• 2005 to 2010, Rapid Construction of Pacific Street Bridge, Nebraska Department of Roads,$139,442
• 2005 to 2009, Class C Fly Ash in Concrete Pavement, Nebraska Department of Roads, Omaha Public Power District and Nebraska Public Power District, $312,379
• 2004 to 2009, Second Generation Precast Panel Deck (NUDECK) System, Nebraska Department of Roads,$ 150,560
• 2007 to 2009, Evaluation and Repair Procedures for Precast/Prestressed Concrete Girders with Longitudinal Cracking in the Web, National Cooperative Highway Research Program (NCHRP 18-14), $300,000.
• 2006 to 2009 Behavior and Design of Buried Concrete Pipes - Phase II, Nebraska Department of Roads and City of Lincoln, $204,000
• 2007 to 2011 Bridges for Service Life beyond 100 Years, Innovative Systems, Subsystems and Components, Strategic Highway Research Program 2 (SHRP 2), $2,000,000, (Co-PI with Atorod Azizinamini)
• 2006-2009, Precast Concrete Bridge Railing, Nebraska Department of Roads, $222,000, Co-PI with Dean Sicking and Ron Faller)
• 2004-2006, Development of Optimized Railroad Ties, Phase I, FRA, $120,751.
• 2004-2006, Threaded Rod Continuity System, NDOR, $101,500.
• 2003-2005, Fatigue of Welded Wire Reinforcement (WWR), PCI and WRI, $35,000.
• 2004-2006, NCHRP 12-65 Deck Panels, GWU, $180,000.
• 2004, Strand Bond in Self Consolidating Concrete, NDOR, $35,000.
• 2002-2003, Quality Control of Post-Tensioning Grout, NDOR, $65,000.
• 2002-2003, Anchorage of 0.6 in. diameter strands, NDOR, $37,000.
• 2001-2005, Innovation in Highway Bridge Decks TEA-21-IBRC Program, Federal Highway Administration, Ravenna Viaduct, $150,000.
• 2001-2003, Utilization of fly ash in reinforced concrete transportation applications Appalachian Transportation Institute, Marshal University, PI, $457,491.
• 2000-2003, Spliced I-Girder Concrete Bridge system, NDOR, $221,361.
• 2000-2003, Implementation of Superstructure/substructure Joint Details, NDOR, $149,041.
• 1999-2001, NUDECK Precast Concrete Panel System, NDOR, $91,113.
• 1999-2002, Service Load Stress Limits in Bridge Design, NDOR, $144,300.
• 1999-2002, Prestress Loss in High Performance Precast Prestressed Concrete Members, NCHRP 18-7, Transportation Research Board, Washington D.C., $300,000.
• 2000-2003, Prestressed Beam End Reinforcement and Camber, NDOR, $144,783.
• 1999-2002, Utilization of Coal Ash in Concrete Products, OPPD, $143,413.
• 1998, Pullout Testing of Low Relaxation Strand, Insteel Wire Products, and Wilson Concrete Company, $21,400.
• 1998-1999, Reassessing Compressive Stress Limits, Precast Prestressed Concrete Institute, $16,000.
• 1997-2000, Shear Limit of NU I-Girder, Nebraska Department of Roads, $361,256.
• 1997-2000, Superstructure/Substructure Joint Details, Nebraska Department of Roads, $226,720.
• 1997-2000, I-Girder/Deck Connection for Efficient Deck Replacement, Nebraska Department of Roads, $83,123.
• 1997-1999, Conductive Concrete for Bridge Decks, NDOR, (Project Leader: Tuan, Co-PI: Tadros), $165,000.
• 1997-1998, Strand Bond, Sumiden Wire Products Company, Stockton California, $22,000.
• 1997-1998, The Effideck Panel System, Fort Miller Company, N.Y., $31,000.
• 1997-2000, Shear Limit of NU I-Girder, Nebraska Department of Roads, $254,784.
• 1997-1999, Superstructure/Substructure Joint Details, Nebraska Department of Roads, $160,580.
• 1996-1997, Improved Precast Prestressed Concrete Stay-in-Place Deck Panels, Daniel P. Jenny Research Fellowship, Precast/Prestressed Concrete Institute.
• 1994-1997, Rapid Replacement of Bridge Decks, NCHRP 12-41, Transportation Research Board, $546,952.
• 1994-1997 “Post-tension Anchorage in Concrete,” Nebraska Department of Roads, $84,000.
• 1996-1997 “Improved Stay-in-Place Deck Panel,” Precast/Prestressed Concrete Institute, $16,000.
• 1994-1997 "High Performance Concrete Bridge in Sarpy County, Nebraska," FHWA Strategic Highway Research Program through the Nebraska Department of Roads, $334,423.
• 1994-1997 "Optimization of Prefabricated Joists," U.S. Army Corps of Engineers, Construction Advancement Productivity Research Program, $453,600.
• 1994-1997 "Rehabilitation and Strengthening of Concrete Bridge Decks using Polymer Injection and In-situ Impregnation," U.S. Army Corps of Engineers, Construction Advancement Productivity Research Program, $1,175,000.
• 1994-1996 "Fiber-Reinforced Plastic Cable-Stayed Footbridge for the City of Lincoln," City of Lincoln, $123,500.
• "Implementation of Concrete Box Culvert in Metric Unit System," Nebraska Department of Roads, $26,369.
• 1993-1997 "Application of Optimized Prestressed Concrete I-Girders," Nebraska Department of Roads, $276,000.
• 1993-1995 "Efficient Shallow Bridge Deck System using Standard Precast Concrete Shapes," Precast/Prestressed Concrete Institute, $14,050.
• "EPSCoR Travel Funds," National Science Foundation through Nebraska EPSCoR $3,000.
• 1992‑1995 "Behavior of a 6‑Story Office Building under Moderate Seismicity," National Science Foundation, $271,935.
• 1992-1994 "City of Lincoln Tenth Street Pedestrian Overpass and Viaduct," City of Lincoln and Nebraska Department of Roads, $17,500.
• 1991‑1995 "Precast Concrete Piles in Integral Abutment Bridges," Nebraska Department of Roads, $173,211.
• 1993-1994 "Training of Bridge Engineers," Nebraska Department of Roads, $25,388.
• 1992 - 1993 "REU Supplement to NSF 6-Story Office Building Project," National Science Foundation, $16,860.
• "Strength Capacity of Prestressed Girder Bridges," Nebraska Department of Roads, $65,992.
• 1992‑1994 "Implementation of Box Culvert Research," Nebraska Department of Roads, $38,335.
• 1991‑1993 "High Volume Utilization of Coal Ash in Nebraska," Nebraska Public Power District and Omaha Public Power District, $172,225.
• 1991‑1995 "Post‑Tensioned Clay Brick Project," US Army Corps of Engineers, $458,777.
• 1991‑1993 "Splicing of Prestressing Tendons," Barsplice, Inc., $108,000.
• 1991‑1994 "Optimization of Precast Bridge I‑Girder Shapes," Precast‑Prestressed Concrete Institute, $24,000.
• 1991‑1994 "Ultra‑Light High‑Performance Concrete Masonry Unit," U.S. Army Corps of Engineers, Construction Engineering Research Laboratory, $498,663.
• 1990‑1992 "Energy Optimization of Concrete Sandwich Panels," Nebraska Energy Office and Wilson Concrete Company, $318,000.
• 1990 "State‑of‑the‑Art of Spliced Girder Bridges," Precast/Prestress Concrete Institute, Bridge Design Committee, $6,000.
• 1990 "A Model of Stress‑Strain Relationship for Prestressing Steel," Industry Design Handbook Committee, Precast/Prestress Concrete Institute, requested for inclusion in the 4th edition of the Handbook in 1992, $2,500.
• 1989‑90 "Minimization of Precast Concrete Building Floor Thickness," Prestressed Concrete Institute and Zone III Producers, $12,000.
• 1988-1991 "Optimization of Structural Systems for Culverts and Short‑Span Bridges," Walter Scott Engineering Research Center, University of Nebraska.
• 1988‑89 "Bridge Abutment and Approach Slab Settlement," Nebraska Department of Roads, $53,000.
• 1989 "High Strength Bolted Connections," U.S. Army Corps of Engineers, Missouri River Division.
• 1988 "Deflection of Reinforced Concrete Masonry," submitted to the National Science Foundation, $152,000; approved for private industry matching funds, $22,000, by the Nebraska Masonry Institute and the Nebraska Concrete Masonry Association.
• 1987‑88 "Compression Strength and Reinforcement Limits in Masonry Members," Nebraska Masonry Institute, Nebraska Concrete Masonry Association and U.S. Army Corps of Engineers, $25,000.
• 1986‑88 "Flexural Strength and Maximum Reinforcement in Prestressed Concrete Members," Walter Scott Engineering Research Center, University of Nebraska.
• 1986‑89 "Load Distribution on Concrete Box Culverts," Federal Highway Administration and Nebraska Department of Roads, $210,000.
• 1986 "Development of Reinforcement in Grouted Concrete Masonry," Nebraska Concrete Masonry Association and Nebraska Masonry Institute.
• 1985‑1987 "Time Dependent Analysis of Partially Prestressed Concrete Members," Walter Scott Engineering Research Center, University of Nebraska.
• 1984‑86 "Evaluation of Current Practice of Concrete Culvert Design and Development of Cost‑Effective Procedures," Nebraska Department of Roads.
• 1984‑87 "Strength Design Criteria of Concrete Formblock."
• 1984‑88 "Effects of Support Settlements on Concrete Bridge Superstructures," Walter Scott Engineering Research Center.
• 1982‑1983 "Prestress Loss and Deformation of Cracked Prestressed Concrete Members," Walter Scott Engineering Research Center.
• 1982‑83 "Partial Prestressing‑Codification of Existing Knowledge," Prestressed Concrete Institute and Nebraska Association of Prestressed Concrete.
• 1982‑83 "Moment‑Resistant Beam Column Connections," Wilson Concrete Co., Omaha, Nebraska.
• 1981‑82 "Structural Steel Embedded Connections," Engineering Research Council, University of Nebraska.
• 1980‑81 "Cracking Properties of Partially Prestressed Concrete Members," Engineering Research Council, University of Nebraska.
• 1978‑79 "Tolerable Movement Criteria for Highway Bridges," Federal Highway Administration, Project DOT‑FH‑11‑9440, co‑directed with GangaRao and Moulton.
• 1978‑79 "Deflection of Partially Prestressed Members," Prestressed Concrete Institute.
• 1978 "Utilization of Computer for Energy Research," Oak Ridge Associated Universities, summer research at Morgantown Energy Technology Center.
• 1978 "Variation of Time‑Dependent Stresses with Degree of Prestressing," West Virginia University Senate Research.

Doctorate Degree Students

1. Kromel Hanna, Traverse Behavior of Adjacent Precast Concrete Boxes, Oct. 2008
2. Amin Akhnoukh, Behavior of prestressing with large 0.7 inch strands, Dec. 2008
3. Hany Maximos, Concrete Pipe Behavior, Dec. 2008
4. Wilast Amornrattanepong, Curved Precast Pretensioned I-Beams, Dec. 2006
5. Ning Wang, Threaded Rod Continuity System, Dec. 2006
6. Chuanbing Sun, Precast Decks and Threaded Rod, summer 2005
7. Nipon Jongpitaksseel, Behavior of End Zone of Precast/Pretensioned Concrete Bridge Girders, August  2003.
8. Amgad Girgis, Vertically Spliced I-Girders, 2003
9. Nabil Al-Omaishi, Prestress Losses in High Strength Concrete, Dec. 2001
10. Panya Noppakunwijai, Reassessing Allowable Compression in Prestressed Concrete Flexural members, Dec. 2001
11. Chuanbing Sun, Continuity in Bridge Superstructures, Dec. 2003
12. Conductive Concrete, Sherif Yehia, University of Nebraska, 1999.
13. Shear and Distrubed Regions in High Performance Concrete Bridge, Zhongguo Ma, University of Nebraska, 1998.
14. Behavior of Precast Concrete Bridge Deck Systems, Sameh S. Badie, University of Nebraska, 1997.
15. Composite Behavior of Steel and Concrete Girder Bridges, Hussam Kakish, University of Nebraska, 1997.
16. Optimization of Precast Concrete Box Girder, K. Lynn Geren, University of Nebraska, 1997
17. High Performance Concrete Bridge Behavior, Xiaoming Huo, University of Nebraska, 1997
18. Prefabricated Joist/Double Tee with Web opening, Mohsen Saleh, University of Nebraska, 1996
19. Precast Concrete Superstructure Systems, Mounir Kamel, University of Nebraska, 1996
20. Post-tensioned Clay Brick, Ravi Devalapura, University of Nebraska, 1995 (jointly with Krause)
21. Behavior of a Six-Story Office Building under Moderate Seismicity, Say-Gunn Low, University of Nebraska, 1994.
22. Precast Concrete Sandwich Panels, Amin Einea, University of Nebraska (jointly with Salmon) 1992
23. Analysis of Spliced Prestressed Concrete Bridge Girders by Personal Computer, Ahmad Abdel‑Karim, University of Nebraska, 1991
24. Time‑Dependent Analysis of Composite Prestressed Concrete Spliced Girders, Yun‑Sool Joo, University of Nebraska, 1989
25. Nonlinear Behavior of Partially Prestressed Concrete Members, Arthur Meyer, University of Nebraska, 1987
26. Comparative Studies of Cost‑Effectiveness of Bracing Systems in Tall Buildings Hany Farran, West Virginia University, 1979 (jointly with Luttrell)

Master's Degree Students

1. Faten Fawzy, Shallow Precast Concrete Floor System
2. Christie Hasenkamp, Prestressed Concrete Web End Cracking
3. Marc McGuire, Ultra High Performance Concrete Double Tee
4. Alec Stube, Prestressed Concrete Girder Design Aids
5. Cesar Garcia , Precast Concrete Poles
6. Nick Reiser, Full Depth Precast Deck
7. Matt Kleymann, High Volume Fly Ash Concrete in Pavements
8. Carlos Encarnaion,  Horizontal Shear Behavior of Precast Bridge Deck Panels, May 2006
9. Optimization of full-depth precast bridge deck panels, Chad Keller, Dec. 2005
10. Strand Bond, Yuri Jukarev, Dec. 2004
11. Confined Concrete, Jeremy Bowers, Dec. 2004
12. NUWALL Precast Retaining Wall System, Wilast Amornrattanepong, Feb 2004
13. Precast Concrete Housing, David Kusolthamarat, May 2004
14. Precast Concrete Poles, Audra Hansen, Dec. 2003
15. Fatigue of Welded Wire Reinforcement, Wilast Amorn, Dec. 2003
16. A New Precast Concrete Grid Panel For Residential Floors, David Kusolthamarat, August 2003
17. PT Quality Control and Prestress Loss, Rob Pearce, August 2003
18. Fly Ash Utilization, Lieska Carrillo, May 2002
19. Precast Concrete Housing, Nick Johnson, 2000
20. Inverted Tee, Shane Hennessey, 1997 (Major Advisor: Krause)
21. Anchorage of Post-tensioned Members, Haitham, Hamed, 1996
22. David Lampe, 1996 (Major Advisor: Zhang)
23. Composite Action of Bridge Girders, Darin Splittgerber, fall 1994
24. Precast Concrete Bridge Deck Panel System, Takashi Yamane, spring 1995
25. Full-Scale Testing of Insulated Sandwich Panels, Todd Culp, 1994 (with Salmon)
26. Durability of Concrete Masonry Units, Joan Bowser, 1993
27. High Performance Concrete Masonry Unit Mix Design, Savita Kulkarni, 1993
28. Innovative Construction Technique: The Modified Up/Down Method, Jong Ock, 1993 (with Paek)
29. Optimized Prefabricated Concrete Joist Systems, John Savage, 1993
30. Precast Prestressed Concrete Piles in Integral Abutment Bridges, Mounir R. Kamel, 1992 (with Benak)
31. Optimization of Precast/Prestressed Concrete Bridge I-Girders, K. Lynn Geren, 1992
32. Strength of Concrete Masonry, Babrak Amiri, 1992
33. State-of-the-Art of Masonry Retaining Walls, Ravi Devalapura, 1992 (with Krause)
34. Devalapura, R.K., and Tadros, Maher K., “Modeling of Stress-Strain Behavior of Prestressing Tendons, ”Proceedings of the International Symposium on Modern Applications of Prestressed Concrete, Vol. 2, Beijing, China, September 1991, pp. 328-335.
35. Minimization of Floor Thickness of Precast Concrete Office Framing, Say‑Gunn Low, 1991
36. Field Investigation of Soil Pressures on a Concrete Box Culvert, Karen A. Bexten, 1989
37. Strength and Deflection of Reinforced Masonry Walls, Richard T. Horton, 1988
38. Flexural Strength and Maximum Reinforcement in Prestressed Concrete Members, Brian Skogman, 1988
39. Instrumentation and Structural Analysis of a Reinforced Concrete Box Culvert, Dallas Meyer, 1987
40. Soil Structure Interaction for Concrete Box Culverts, Mark Gilliland, 1986
41. Effects of Support Settlements and Cracking on Prestressed Concrete Bridge Superstructures, Asghar Yousef, 1985
42. Partial Prestressing‑Codification of Existing Knowledge, David N. Peterson, 1989
43. Allowable Span/Depth Ratio of Partially Prestressed Concrete Members, Issam Bannout, Dec. 1983
44. Moment Resistant Precast Concrete Beam‑Column Connections, Michael Potter, Dec. 1983
45. Influence of Low Relaxation and High Concrete Strength of Partially Prestressed Concrete Members, Ronald Grasmick, 1982
46. Shear Wall‑Frame Interaction, Randy Kumm, UNO, 1981"Shear Wall‑Frame Interaction," Randy Kumm, UNO, 1981
47. Deflection of Cracked Partially Prestressed Members, David L. Sokol, UNO, 1981
48. The State‑of‑the‑Art of Precast, Prestressed Concrete Storage Tanks, Constance M. Belina, UNO, 1981
49. Cracking Properties of Concrete Members Subject to Combined Axial and Bending Forces, Aminollah Mahmoud UNO, 1980
50. Seismic Resistant Connections in Precast Buildings, Habibollah Tabibian, WVU, 1979
51. Effects of Support Settlement in Concrete Bridges, Farhad Nikjeh, WVU, 1979
52. Evaluation of the Parameters Influencing Bond, Manoo Sheckarchian, WVU, 1979 (jointly with Kemp)
53. Effect of Cracking on Secondary Moments in Prestressed Concrete Members, Mahmoud Zalfaghari, WVU, 1979 (jointly with Luttrell)
54. Deflection of Partially Prestressed Concrete Members, Vichai Jittawait, WVU, 1979