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Yoon-Si Lee

Director of CCET Online Programs; Professor, Head of Undergraduate CE Program Management

Business and Engineering Convergence Center 2252

(309) 677-2551

ylee2@bradley.edu

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

  • “Investigation of the Connectivity of Robots for Coordination of the Construction of Martian Habitats,” Illinois Space Grant Consortium (ISGC), 2023-2024 (Co-PI: Lee, PI: Terreno).
  • “Integrating the Internet of Robotic Things (IoRT) into the Connectivity of Robots for Coordination of the Construction of Martian Habitats,” Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2022-2023 (Co-PI: Lee, PI: Terreno).
  • “Waterless Thermoplastic Lunar Concrete – Printability and Enhanced Strength for 3D printing,” Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2020-2022 (PI).
  • “Pumpability and Printability of Extraterrestrial 3D Printing Materials,” Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2019-2020 (PI).
  • “Nano Modified Sulfur Concrete with Automated 3D Printing on Mars,” Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2017-2018 (Co-PI: Lee, PI: Gultekin).
  • “State-of-the-Practice Solutions in Civil Engineering – SHRP2 Education,” Strategic Highway Research Program (SHRP), Federal Highway Administration (FHWA), 2015-2016 (Co-PI: Lee, PI: Hossain).
  • “Investigation of the High Strength Bolt Tightening Verification Techniques,” Federal Highway Administration (FHWA) & Iowa Department of Transportation Office of Bridges and Structures, 2014-2016 (PI of Subcontract).
  • “Performance Evaluation of Snow and Ice Plow,” Illinois Department of Transportation, 2013-2016 (Co-PI: Lee, PI: Elhouar).
  • “Investigation of Field Corrosion Performance and Bond/Development Length of Galvanized Reinforcing Steel,” 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).
  • “Field Monitoring of Curved Girder Bridges with Integral Abutments”, 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). “Investigation of Interface Shear Transfer in Engineered Cementitious Composite Members,” Journal of Structural Integrity and Maintenance, 2024;9(1):1-9.
  • Keys, C., McCorkhill, N., and Lee, Y.S. (2023) “Investigation of Martian Concrete: Pumpability and Strength for Extraterrestrial 3D Printing,” ASCE Earth and Space 2022.
  • Lee, Y.S., Keys, C., and Terreno, S. (2022) “3D Printed Martian Habitats and Challenges to Overcome,” Research & Reviews: Journal of Space Science and Technology, 2022;11(1):40-49.
  • Lee, Y.S., and Hosteng, T. (2022) “Application of Grouted Mechanical Couplers in Accelerated Bridge Construction,” International Journal of Construction Engineering and Planning, 2022;8(1):32-48.
  • Spelman, D., and Lee, Y.S. (2022) “Sustainability of Concrete as a Civil Engineering Material,” Engineering Journal, 2022;26(7):69-81.
  • Lee, Y.S. (2022) “Achieving Sustainability in Concrete and Construction: Challenges and Opportunities,” Journal of Civil and Construction Engineering, 2022;8(2):17-26.
  • Lee, Y.S., and Phares, B.M. (2022) “High Strength Bolt Tightening and Verification Techniques for Steel Connections: In-Depth Study and National Survey,” Journal of Construction Engineering, Technology & Management, 2022;12(1):19–32.
  • Hosteng, T.K., Lee, Y.S., Phares, B.M., and Nelson, J. (2021) “Laboratory Investigation of Grouted Coupler Connection Details for Accelerated Bridge Construction,” 100th Annual Meeting of Transportation Research Board (TRB), Washington DC., January 2021.
  • Lee, Y.S. (2021) “Use of Micro-Electrochemical Systems-based Technologies for Civil Infrastructure Health Monitoring,” 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) “Investigation of Grouted Coupler Connection Details for Accelerated Bridge Construction,” Journal of the Transportation Research Board, 2021;2675(8):562-569.
  • Lee, Y.S., and Maharjan, S. (2019) “End-Region Cracking in Prestressed Concrete Girders and its Solution,” Journal of Civil and Construction Engineering, 2019;5(3):15-27.
  • Lee, Y.S., Soltani, M., Schweigert, K., and Maharjan, S. (2019) “Prevention and Repair of End-Region Cracks in Prestressed Concrete Girders: A State-of-the-Art Review,” International Journal of Civil and Structural Engineering Research, 2019;7(1):134-145.
  • Lee, Y.S. (2019) “Waste/Recycled Plastics in Concrete,” International Journal of Civil and Structural Engineering Research, 2019;7(1):103-110.
  • Schweigert, K., Lee, Y.S., Gastel, C., and Maharjan, S. (2018) “Accelerated Bridge Construction and its Recent Trend,” International Journal of Advance Research in Science and Engineering, 2018;7(8):50-58.
  • Lee, Y.S., Kim, S.H., and Hischke, G. (2018) “3D Printing in Concrete Materials and its Applications,” 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) “Recent Trends in Bridge Health Monitoring,” 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) “Load Rating of Timber Bridges using Physical Testing and Software Application,” International Journal of Civil, Mechanical and Energy Science, 2016;2(4):37-41.
  • Lee, Y.S. (2015) “Investigation of traffic induced vibrations and luminaire behavior”, 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) “Development and Implementation of Precast Paving Notch System for Accelerated Bridge Repair,” International Journal of Structural and Civil Engineering Research, 2015;4(4):359-365.
  • Lee, Y.S., and Phares, B.M. (2015) “Bond Strength and Development Length of Galvanized Reinforcing Steel,” 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) “Precast Paving Notch System for Accelerated Bridge Repair: Development, Evaluation and Implementation”, 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) “Structural Health Monitoring with an Active Data Management System for Secondary Road Bridges”, ACI-Special Publication 292: Structural Health Monitoring Technologies, American Concrete Institute, 2013: ACI-SP 292.
  • Lee, Y.S., and Phares, B.M. (2013) “Monitoring Corrosion Resistance in Bridge Deck Reinforcing Steel: Field Investigation,” 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) “Corrosion Resistance Monitoring in Steel Reinforcement,” ACI Fall Convention, Cincinnati, OH, October 16-20, 2011.
  • Lee, Y.S., Phares, B.M., Wipf, T.J., and Malhas, F.A. (2011) “Low-Cost Structural Health Monitoring with advanced data management system,” 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) “Structural Field Testing and Evaluation of Two Demonstration FRP Deck Bridges,” Transportation Research Board 88th Annual Meeting, Washington DC, January 11-15, 2009.
  • Lee, Y.S., Phares, B.M., and Wipf, T.J. (2008) “Development and Implementation of a Low-Cost, Continuous Bridge Health Monitoring System,” 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) “Development of a Low-Cost, Continuous Structural Health Monitoring System for Bridges and Components,” 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) “Strengthening Steel Girder Bridges with CFRP Plates.” 6th International Bridge Engineering Conference – 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) “Evaluation of a Steel Girder Bridge Strengthened with CFRP Post-Tension Bars,” 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) “Strengthening Steel Girder Bridges with CFRP Plates.” 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) “Evaluation of a Steel Girder Bridge Strengthened with CFRP Post-Tension Bars,” 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) “Use of CFRP Plates in the strengthening of steel girder bridges.” 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) “Evaluation of Steel Girder Bridges Strengthened with FRP,” 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) “Strengthening of Steel Girder Bridges Using FRP,” 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., “Use of Carbon Fiber Reinforced Polymers Composite Materials in Strengthening Steel Girder Bridges”, ISBN-13: 978-3659276736, LAP Lambert Academic Publishing, 2012.
  • Lee, Y.S., “Structural Health Monitoring System: with Live-Load Bridge Analysis Software and Advanced Data Management System”, ISBN-13: ‎ 978-3659123740, LAP Lambert Academic Publishing, 2012.
  • Malhas, F. and Lee, Y.S. Chapters 4, 5 and 6 of Instructor’s Manual, “Steel Structures: Design and Behavior,” 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., “Investigation of the High Strength Bolt Tightening Verification Techniques,” Final Report, InTrans Project 14-501, Institute for Transportation, Ames, IA, March 2016.
  • Elhouar, S., Dragoo, D., Khodair, Y., and Lee, Y.S., “Performance Evaluation of Snow and Ice Plows,” 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., “Investigation of Field Corrosion Performance and Bond/Development Length of Galvanized Reinforcing Steel,” Final Report, InTrans Project 13-481, Institute for Transportation, Ames, IA, December 2014.
  • Lee, Y.S., Phares, B.M., and Laviolette, M.D. “Laboratory Testing of Precast Reinforced Concrete Paving Notch.” 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. “Bridge Construction Practices Using Incremental Launching.” 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. “Evaluation of Steel Bridges – Volume II: Structural Health Monitoring System for Secondary Road Bridges,” 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. “Evaluation of Corrosion Resistant of Different Steel Reinforcement Types.” Final Report, Institute for Transportation, Ames, IA, 2006.
  • Phares, B.M., Wipf, T.J., Greimann, L.F., and Lee, Y.S. “Health Monitoring of Bridge Structures and Components Using Smart Structure Technology.” Final Report (Volume I), Institute for Transportation, Ames, IA, 2005.
  • Phares, B.M., Wipf, T.J., Greimann, L.F., and Lee, Y.S. “Health Monitoring of Bridge Structures and Components Using Smart Structure Technology.” Final Report (Volume II), Institute for Transportation, Ames, IA, 2005.
  • Wipf, T.J., Phares, B.M., Klaiber, F.W., and Lee, Y.S. “Evaluation of Steel Girder Bridge Using CFRP Plates.” Final Report, Iowa Department of Transportation, Ames, IA, 2005.
  • Wipf, T.J., F.W. Klaiber, Phares, B.M., and Lee, Y.S. “Evaluation of Post-tension Strengthened Steel Girder Bridge Using FRP Bars.” Final Report, Institute for Transportation, Ames, IA, 2003.
  • Dunker, K.F., Wipf, T.J.., Phares, B.M., and Lee, Y.S. “Vibration Monitoring of Luminaires on the Burlington Cable-Stayed Bridge.” Final report, Institute for Transportation, Ames, IA, 2002.

Professional Experience

  • Professor (08/2023 – Present), żŰżŰ´«Ă˝
  • Associate Professor (08/2017 – 07/2023), żŰżŰ´«Ă˝
  • Assistant Professor (08/2013 – 07/2017), żŰżŰ´«Ă˝
  • Assistant Professor (08/2008 – 05/2013), West Virginia University Institute of Technology
  • Bridge Research Specialist (05/2007 – 07/2008), Bridge Engineering Center (Ames, IA)
  • Adjunct Instructor (2006 – 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) – Design of Water Tank
  • Whittier Primary School Playground Construction Project
  • Preservation of a Historical Log Cabin House in Brimfield, IL
  • Judge Panel, ACEC/WV’s Engineering Excellence Awards (EEA), American Council of Engineering Companies (ACEC) – 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.) – West Virginia (#018672)
  • EIT/FE – Iowa
  • Licensed Civil Engineer (Structures) – South Korea

Honors and Awards

  • CCET Service Award (Dace Professional Excellence Award), żŰżŰ´«Ă˝, 2025.
  • Outstanding Faculty Award, Civil Engineering and Construction, żŰżŰ´«Ă˝, 2023.
  • Caterpillar Inc. Faculty Achievement Award for Teaching, żŰżŰ´«Ă˝, 2015.
  • Certificate of Recognition in Research, żŰżŰ´«Ă˝, 2014, 2015.
  • Premium for Academic Excellence Award, Iowa State University, 2002
  • Midwest Transportation Consortium Scholarship, 2002-2006

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