Home / Academics / Departments / Civil Engineering & Construction Department / Faculty / Yoon-Si Lee

Yoon-Si Lee
Director of CCET Online Programs; Professor, Head of Undergraduate CE Program Management
Business and Engineering Convergence Center 2252
(309) 677-2551
Education
Ph.D., Civil Engineering (Structural Engineering), Iowa State University
M.S., Civil Engineering (Structural Engineering), Iowa State University;
B.S., Civil Engineering, Iowa State University
Teaching
Undergraduate Courses
- CE493/CE498 Senior Capstone Design Projects I & II
- CE 442 Steel Design
- CE 365 Reinforced Concrete Design
- CE 359 Structural Analysis
- CE 270 Mechanics of Materials
- CE 250 Mechanics II – Dynamics
- CE 150 Mechanics I – Statics
Graduate Courses
- CE 692 Bridge Engineering
- CE 691 Bridge Design
- CE 570 Advanced Mechanics of Materials
- CE 567 Prestressed Concrete Design
- CE 565 Advanced Concrete Design
- CE 560 Advanced Structural Analysis
Scholarship
External Grants
- 鈥淚nvestigation of the Connectivity of Robots for Coordination of the Construction of Martian Habitats,鈥 Illinois Space Grant Consortium (ISGC), 2023-2024 (Co-PI: Lee, PI: Terreno).
- 鈥淚ntegrating the Internet of Robotic Things (IoRT) into the Connectivity of Robots for Coordination of the Construction of Martian Habitats,鈥 Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2022-2023 (Co-PI: Lee, PI: Terreno).
- 鈥淲aterless Thermoplastic Lunar Concrete 鈥 Printability and Enhanced Strength for 3D printing,鈥 Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2020-2022 (PI).
- 鈥淧umpability and Printability of Extraterrestrial 3D Printing Materials,鈥 Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2019-2020 (PI).
- 鈥淣ano Modified Sulfur Concrete with Automated 3D Printing on Mars,鈥 Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2017-2018 (Co-PI: Lee, PI: Gultekin).
- 鈥淪tate-of-the-Practice Solutions in Civil Engineering 鈥 SHRP2 Education,鈥 Strategic Highway Research Program (SHRP), Federal Highway Administration (FHWA), 2015-2016 (Co-PI: Lee, PI: Hossain).
- 鈥淚nvestigation of the High Strength Bolt Tightening Verification Techniques,鈥 Federal Highway Administration (FHWA) & Iowa Department of Transportation Office of Bridges and Structures, 2014-2016 (PI of Subcontract).
- 鈥淧erformance Evaluation of Snow and Ice Plow,鈥 Illinois Department of Transportation, 2013-2016 (Co-PI: Lee, PI: Elhouar).
- 鈥淚nvestigation of Field Corrosion Performance and Bond/Development Length of Galvanized Reinforcing Steel,鈥 Iowa Department of Transportation Office of Bridges and Structures, 2013-2015 (PI of Subcontract).
- Nick J. Rahall, II Appalachian Transportation Institute (RTI) Grant, 2011-2012 (Co-PI: Lee, PI: Leftwich).
- Nick J. Rahall, II Appalachian Transportation Institute (RTI) Grant, 2010-2011 (Co-PI: Lee, PI: Leftwich).
- Nick J. Rahall, II Appalachian Transportation Institute (RTI) Grant, 2009-2010 (Co-PI: Lee, PI: Leftwich).
- 鈥淔ield Monitoring of Curved Girder Bridges with Integral Abutments鈥, Iowa Department of Transportation Office of Bridges and Structures, 2008-2013 (Co-PI: Lee, PI: Phares).
Refereed Journals/Conference Papers
- Soltani, M., Lee, Y.S., Abu-Abaileh, A., & Bellamkonda, R. (2024). 鈥淚nvestigation of Interface Shear Transfer in Engineered Cementitious Composite Members,鈥 Journal of Structural Integrity and Maintenance, 2024;9(1):1-9.
- Keys, C., McCorkhill, N., and Lee, Y.S. (2023) 鈥淚nvestigation of Martian Concrete: Pumpability and Strength for Extraterrestrial 3D Printing,鈥 ASCE Earth and Space 2022.
- Lee, Y.S., Keys, C., and Terreno, S. (2022) 鈥3D Printed Martian Habitats and Challenges to Overcome,鈥 Research & Reviews: Journal of Space Science and Technology, 2022;11(1):40-49.
- Lee, Y.S., and Hosteng, T. (2022) 鈥淎pplication of Grouted Mechanical Couplers in Accelerated Bridge Construction,鈥 International Journal of Construction Engineering and Planning, 2022;8(1):32-48.
- Spelman, D., and Lee, Y.S. (2022) 鈥淪ustainability of Concrete as a Civil Engineering Material,鈥 Engineering Journal, 2022;26(7):69-81.
- Lee, Y.S. (2022) 鈥淎chieving Sustainability in Concrete and Construction: Challenges and Opportunities,鈥 Journal of Civil and Construction Engineering, 2022;8(2):17-26.
- Lee, Y.S., and Phares, B.M. (2022) 鈥淗igh Strength Bolt Tightening and Verification Techniques for Steel Connections: In-Depth Study and National Survey,鈥 Journal of Construction Engineering, Technology & Management, 2022;12(1):19鈥32.
- Hosteng, T.K., Lee, Y.S., Phares, B.M., and Nelson, J. (2021) 鈥淟aboratory Investigation of Grouted Coupler Connection Details for Accelerated Bridge Construction,鈥 100th Annual Meeting of Transportation Research Board (TRB), Washington DC., January 2021.
- Lee, Y.S. (2021) 鈥淯se of Micro-Electrochemical Systems-based Technologies for Civil Infrastructure Health Monitoring,鈥 Journal of Recent Activities in Infrastructure Science, 2021;6(2):18-29.
- Phares, B.M., Lee, Y.S., Hosteng, T.K., and Nelson, J. (2021) 鈥淚nvestigation of Grouted Coupler Connection Details for Accelerated Bridge Construction,鈥 Journal of the Transportation Research Board, 2021;2675(8):562-569.
- Lee, Y.S., and Maharjan, S. (2019) 鈥淓nd-Region Cracking in Prestressed Concrete Girders and its Solution,鈥 Journal of Civil and Construction Engineering, 2019;5(3):15-27.
- Lee, Y.S., Soltani, M., Schweigert, K., and Maharjan, S. (2019) 鈥淧revention and Repair of End-Region Cracks in Prestressed Concrete Girders: A State-of-the-Art Review,鈥 International Journal of Civil and Structural Engineering Research, 2019;7(1):134-145.
- Lee, Y.S. (2019) 鈥淲aste/Recycled Plastics in Concrete,鈥 International Journal of Civil and Structural Engineering Research, 2019;7(1):103-110.
- Schweigert, K., Lee, Y.S., Gastel, C., and Maharjan, S. (2018) 鈥淎ccelerated Bridge Construction and its Recent Trend,鈥 International Journal of Advance Research in Science and Engineering, 2018;7(8):50-58.
- Lee, Y.S., Kim, S.H., and Hischke, G. (2018) 鈥3D Printing in Concrete Materials and its Applications,鈥 International Journal of Civil and Structural Engineering and Research, 2018;6(1):187-195.
- Lee, Y.S., Phares, B.M., Jayselan, M.V., and Osman, S.A. (2016) 鈥淩ecent Trends in Bridge Health Monitoring,鈥 International Journal of Civil and Structural Engineering and Research, 2016;4(1):347-356.
- Lee, Y.S., Phares, B.M., Moutassem, F., and Syed, A.U.H. (2016) 鈥淟oad Rating of Timber Bridges using Physical Testing and Software Application,鈥 International Journal of Civil, Mechanical and Energy Science, 2016;2(4):37-41.
- Lee, Y.S. (2015) 鈥淚nvestigation of traffic induced vibrations and luminaire behavior鈥, International Journal of Civil, Mechanical and Energy Science, ISSN: 2455-5304, 2015;1(1):18-22, December 2015.
- Lee, Y.S., Phares, B.M., Bierwagen, D., and Laviolette, M.D. (2015) 鈥淒evelopment and Implementation of Precast Paving Notch System for Accelerated Bridge Repair,鈥 International Journal of Structural and Civil Engineering Research, 2015;4(4):359-365.
- Lee, Y.S., and Phares, B.M. (2015) 鈥淏ond Strength and Development Length of Galvanized Reinforcing Steel,鈥 International Journal of Civil and Structural Engineering Research, ISSN 2348-7607, 2015;3(1):311-317.
- Elhouar, S., Khodair, Y., Lee, Y.S., and Peters, T. (2015) “Best Practices in Snow and Ice Removal”, 72nd Eastern Snow Conference, Jouvence, Sherbrooke, Quebec, Canada, June 2015.
- Elhouar, S., Khodair, Y., Lee, Y.S., and Peters, T. (2014) “Synthesis of Best Practices in Snow and Ice Removal”, 71st Annual Meeting of the Eastern Snow Conference, Boone, NC, June 2014.
- Lee, Y.S., Phares, B.M., and Bierwagen, J. (2014) 鈥淧recast Paving Notch System for Accelerated Bridge Repair: Development, Evaluation and Implementation鈥, Session 344_P14-7062, Transportation Research Board 93rd Annual Meeting, Washington DC, Jan 12 – 16, 2014.
- Lee, Y.S., Phares, B.M, Wipf, J.W. and Malhas, F. (2013) 鈥淪tructural Health Monitoring with an Active Data Management System for Secondary Road Bridges鈥, ACI-Special Publication 292: Structural Health Monitoring Technologies, American Concrete Institute, 2013: ACI-SP 292.
- Lee, Y.S., and Phares, B.M. (2013) 鈥淢onitoring Corrosion Resistance in Bridge Deck Reinforcing Steel: Field Investigation,鈥 International Journal of Advanced Research in Science and Engineering, ISSN-2319-8354(E), 2013;2(8):79-87, September 2013.
- Lee, Y.S., Phares, B.M., Wipf, T.J., and Malhas, F.A. (2011) 鈥淐orrosion Resistance Monitoring in Steel Reinforcement,鈥 ACI Fall Convention, Cincinnati, OH, October 16-20, 2011.
- Lee, Y.S., Phares, B.M., Wipf, T.J., and Malhas, F.A. (2011) 鈥淟ow-Cost Structural Health Monitoring with advanced data management system,鈥 ACI Fall Convention, Cincinnati, OH, October 16-20, 2011.
- Lee, Y.S., Hosteng, T.K., Deza, U., Nelson, J.N., and Wipf, T.J. (2009) 鈥淪tructural Field Testing and Evaluation of Two Demonstration FRP Deck Bridges,鈥 Transportation Research Board 88th Annual Meeting, Washington DC, January 11-15, 2009.
- Lee, Y.S., Phares, B.M., and Wipf, T.J. (2008) 鈥淒evelopment and Implementation of a Low-Cost, Continuous Bridge Health Monitoring System,鈥 Bridge Maintenance, Safety, Management, Health Monitoring and Informatics, International Association for Bridge Maintenance and Safety (IABMAS 08), Proceedings of the 4th International IABMAS Conference, Seoul, Korea, July 13-17, 2008, ISBN 978-0-415-46844-2, pp. 323-324, CRC Press, 2008.
- Lee, Y.S., Phares, B.M., and Wipf, T.J. (2007) 鈥淒evelopment of a Low-Cost, Continuous Structural Health Monitoring System for Bridges and Components,鈥 2007 Mid-Continent Transportation Research Symposium, Ames, Iowa, August 16-17, 2007.
- Wipf, T.J., Phares, B.M., Klaiber, F.W., Al-Saidy, A.H., and Lee, Y.S. (2005) 鈥淪trengthening Steel Girder Bridges with CFRP Plates.鈥 6th International Bridge Engineering Conference 鈥 Reliability, Security, and Sustainability in Bridge Engineering, Boston, MA, July 17-20, 2005.
- Lee, Y.S., Wipf, T.J., Phares, B.M., and Klaiber, F.W. (2005) 鈥淓valuation of a Steel Girder Bridge Strengthened with CFRP Post-Tension Bars,鈥 Journal of the Transportation Research Board, 2005;1928(1):233-244.
- Wipf, T.J., Phares, B.M., Klaiber, F.W., Al-Saidy, A.H., and Lee, Y.S. (2005) 鈥淪trengthening Steel Girder Bridges with CFRP Plates.鈥 Journal of the Transportation Research Board, 2005; CD 11-S:435-447. ISSN: 0361-1981.
- Lee, Y.S., Wipf, T.J., Phares, B.M., and Klaiber, F.W. (2005) 鈥淓valuation of a Steel Girder Bridge Strengthened with CFRP Post-Tension Bars,鈥 Transportation Research Board 84th Annual Meeting, Washington DC, January 9-13, 2005.
- Wipf, T.J., Phares, B.M., Klaiber, F.W., Lee, Y.S., Al-Saidy, A.H., Abu-Hawash, A., and Monk, C. (2004) 鈥淯se of CFRP Plates in the strengthening of steel girder bridges.鈥 Bridge Maintenance, Safety, Management and Cost, Proceedings of the 2nd International Conference on Bridge Maintenance, safety and Management, Kyoto, Japan, October 18-22, 2004, ISBN 90-5809-680-7, pp. 413-415, Taylor&Francis Group, 2004.
- Lee, Y.S. (2004) 鈥淓valuation of Steel Girder Bridges Strengthened with FRP,鈥 2004 Transportation Scholars Conference, Ames, IA, November 19, 2004.
- Phares, B.M., Wipf, T.J., Klaiber, F.W., A. Abu-Hawash, and Lee, Y.S. (2003) 鈥淪trengthening of Steel Girder Bridges Using FRP,鈥 2003 Mid-Continent Transportation Research Symposium, Ames, Iowa, August 21-22, 2003.
Book/Book Chapters
- Lee, Y.S. & ACI 444. Chapter 6 (6.2: MEMS for Sensors), ACI PRC-444.2-21_Structural Health Monitoring Technologies for Concrete Structures, American Concrete Institute (ACI), June 2021.
- Lee, Y.S., 鈥淯se of Carbon Fiber Reinforced Polymers Composite Materials in Strengthening Steel Girder Bridges鈥, ISBN-13: 978-3659276736, LAP Lambert Academic Publishing, 2012.
- Lee, Y.S., 鈥淪tructural Health Monitoring System: with Live-Load Bridge Analysis Software and Advanced Data Management System鈥, ISBN-13: 鈥 978-3659123740, LAP Lambert Academic Publishing, 2012.
- Malhas, F. and Lee, Y.S. Chapters 4, 5 and 6 of Instructor鈥檚 Manual, 鈥淪teel Structures: Design and Behavior,鈥 5th edition, Salmon, Johnson & Malhas, ISBN-13: 9780131885561, Pearson-Prentice Hall, 2010.
Grant Final Reports
- Phares, B.M., Lee, Y.S., Brockman, T., and Rooney, J., 鈥淚nvestigation of the High Strength Bolt Tightening Verification Techniques,鈥 Final Report, InTrans Project 14-501, Institute for Transportation, Ames, IA, March 2016.
- Elhouar, S., Dragoo, D., Khodair, Y., and Lee, Y.S., 鈥淧erformance Evaluation of Snow and Ice Plows,鈥 Research Report No. FHWA-ICT-15-007, Illinois Center for Transportation, Urbana-Champaign, IL, November 2015.
- Phares, B.M., Lee, Y.S., Keierleber, B., Hupp, J., and Samudrala, A., 鈥淚nvestigation of Field Corrosion Performance and Bond/Development Length of Galvanized Reinforcing Steel,鈥 Final Report, InTrans Project 13-481, Institute for Transportation, Ames, IA, December 2014.
- Lee, Y.S., Phares, B.M., and Laviolette, M.D. 鈥淟aboratory Testing of Precast Reinforced Concrete Paving Notch.鈥 Test and Evaluation Report, Bridge Engineering Center & Iowa Department of Transportation, Ames, IA, 2008.
- Laviolette, M.D., Wipf, T.J., Lee, Y.S., Bigelow, J.J., and Phares, B.M. 鈥淏ridge Construction Practices Using Incremental Launching.鈥 Final Report, NCHRP Project 20-07 Task 229, National Cooperative Highway Research Program (NCHRP), Transportation Research Board, Washington DC, 2008.
- Wipf, T.J., Phares, B.M., and Lee, Y.S. 鈥淓valuation of Steel Bridges 鈥 Volume II: Structural Health Monitoring System for Secondary Road Bridges,鈥 Final Report, Institute for Transportation, Iowa State University, Ames, IA, 2007.
- Wipf, T.J., Phares, B.M., Fanous, F.S., Lee, Y.S., and Jolley, M.J. 鈥淓valuation of Corrosion Resistant of Different Steel Reinforcement Types.鈥 Final Report, Institute for Transportation, Ames, IA, 2006.
- Phares, B.M., Wipf, T.J., Greimann, L.F., and Lee, Y.S. 鈥淗ealth Monitoring of Bridge Structures and Components Using Smart Structure Technology.鈥 Final Report (Volume I), Institute for Transportation, Ames, IA, 2005.
- Phares, B.M., Wipf, T.J., Greimann, L.F., and Lee, Y.S. 鈥淗ealth Monitoring of Bridge Structures and Components Using Smart Structure Technology.鈥 Final Report (Volume II), Institute for Transportation, Ames, IA, 2005.
- Wipf, T.J., Phares, B.M., Klaiber, F.W., and Lee, Y.S. 鈥淓valuation of Steel Girder Bridge Using CFRP Plates.鈥 Final Report, Iowa Department of Transportation, Ames, IA, 2005.
- Wipf, T.J., F.W. Klaiber, Phares, B.M., and Lee, Y.S. 鈥淓valuation of Post-tension Strengthened Steel Girder Bridge Using FRP Bars.鈥 Final Report, Institute for Transportation, Ames, IA, 2003.
- Dunker, K.F., Wipf, T.J.., Phares, B.M., and Lee, Y.S. 鈥淰ibration Monitoring of Luminaires on the Burlington Cable-Stayed Bridge.鈥 Final report, Institute for Transportation, Ames, IA, 2002.
Professional Experience
- Professor (08/2023 鈥 Present), 爱豆传媒视频
- Associate Professor (08/2017 鈥 07/2023), 爱豆传媒视频
- Assistant Professor (08/2013 鈥 07/2017), 爱豆传媒视频
- Assistant Professor (08/2008 鈥 05/2013), West Virginia University Institute of Technology
- Bridge Research Specialist (05/2007 鈥 07/2008), Bridge Engineering Center (Ames, IA)
- Adjunct Instructor (2006 鈥 2008), Iowa State University
Service
University Service
- Director of CCET Online Engineering Programs
- Head of Undergraduate Civil Engineering Program Management
- Global Scholars Program, CCET Representative
- CCET Curriculum Committee
- Senate Standing Committee on International Initiatives (2022-2025)
- Special Assistant to the Dean of FCB&CCET for College Initiatives (2023-2024)
- Faculty Head of BECC Facilities Management (2023-2024)
- Teaching Excellence Committee, Chair (2020-2024)
- CCET Sabbatical Leave Committee (2022-2024)
- Center for Teaching Excellence and Learning (CTEL) Committee (2015-2017)
- Faculty Advisor of ASCE Student Chapter (2014-2022)
- Graduate Program Committee (2015-2022)
- Research Excellence Committee (2013-2022)
- Director of Concrete Laboratory (2013-2022)
Community Service
- Bridge-Pal Program
- Illinois River Sweep
- Engineers Without Boarders (EWB) 鈥 Design of Water Tank
- Whittier Primary School Playground Construction Project
- Preservation of a Historical Log Cabin House in Brimfield, IL
- Judge Panel, ACEC/WV鈥檚 Engineering Excellence Awards (EEA), American Council of Engineering Companies (ACEC) 鈥 City of Charleston, WV
Professional Affiliations
- American Society of Civil Engineers (ASCE)
- Transportation Research Board (TRB)
- American Institute of Steel Construction (AISC)
- American Concrete Institute (ACI)
- Precast/Prestressed Concrete Institute (PCI)
- American Society of Engineering Education (ASEE)
- Korean Society of Civil Engineers (KSCE)
Licensures & Certifications
Certifications
- Registered Professional Engineer (P.E.) 鈥 West Virginia (#018672)
- EIT/FE 鈥 Iowa
- Licensed Civil Engineer (Structures) 鈥 South Korea
Honors and Awards
- CCET Service Award (Dace Professional Excellence Award), 爱豆传媒视频, 2025.
- Outstanding Faculty Award, Civil Engineering and Construction, 爱豆传媒视频, 2023.
- Caterpillar Inc. Faculty Achievement Award for Teaching, 爱豆传媒视频, 2015.
- Certificate of Recognition in Research, 爱豆传媒视频, 2014, 2015.
- Premium for Academic Excellence Award, Iowa State University, 2002
- Midwest Transportation Consortium Scholarship, 2002-2006