Yoon-Si Lee

Associate Professor, Director of CEC Undergraduate Programs
Business and Engineering Convergence Center 2252
(309) 677-2551
ylee2@bradley.edu
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
Professional Experience
- Associate Professor (08/2017 – Present) – Bradley University
- Assistant Professor (08/2013 – 07/2017) – Bradley University
- 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
Teaching
Undergraduate Courses
- Structural Analysis
- Reinforced Concrete Design
- Steel Design
- Senior Design Projects
- Mechanics of Materials
- Statics
- Dynamics
Graduate Courses
- Bridge Design
- Advanced Structural Analysis
- Advanced Concrete Design
- Prestressed Concrete Design
- Advanced Mechanics of Materials
Scholarship
Recent Research Grant
- “Integrating the Internet of Robotic Things (IoRT) into the Connectivity of Robots for Coordination of the Construction of Martian Habitats,” Sponsored by the Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2022-2023 (Co-PI: Lee, PI: Terreno), External Grant.
- “Waterless Thermoplastic Lunar Concrete – Printability and Enhanced Strength for 3D printing,” Sponsored by the Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2020-2021 (PI), External Grant.
- “Evaluation of Engineered Cementitious Composite for Interface Shear Transfer in Concrete Members,” Sponsored by the Office of Sponsored Program: Research Excellence Grant – Special Emphasis, 2019-2021 (Co-PI: Lee, PI: Soltani), Internal Grant.
- “Pumpability and Printability of Extraterrestrial 3D Printing Materials,” Sponsored by the Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2019-2020 (PI), External Grant.
- “Thermoplastic Martian Concrete: Investigation of Optimal Mix Design and 3D Printability,” Sponsored by the Caterpillar Inc. Fellowship, 2019-2020 (PI), Internal Grant.
- “Nano Modified Sulfur Concrete with Automated 3D Printing on Mars,” Sponsored by Illinois Space Grant Consortium and National Aeronautics and Space Administration (NASA), 2017-2018 (Co-PI), External Grant.
- “Investigation on 3D Printing in Sustainable Concrete,” Sponsored by Caterpillar Fellowship, Caterpillar Inc., 2017-2018 (PI), Internal Grant.
- “State-of-the-Practice Solutions in Civil Engineering – SHRP2 Education,” Sponsored by Strategic Highway Research Program (SHRP), Federal Highway Administration (FHWA), 2015-2016 (Co-PI), External Grant.
- “Investigation of the High Strength Bolt Tightening Verification Techniques,” Federal Highway Administration & Iowa Department of Transportation Office, 2014-2016 (PI of Subcontract), External Grant.
- “Performance Evaluation of Snow and Ice Plow,” Sponsored by Illinois Department of Transportation, 2013-2016 (Co-PI), External Grant.
- “Development of Live-Load Structural Analysis Program in Visual Studio,” Sponsored by Caterpillar Fellowship, Caterpillar Inc., 2014-2015 (PI), Internal Grant.
- “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), External Grant.
- Nick J. Rahall, II Appalachian Transportation Institute (ATI) Grant, 2011-2012 (Co-PI).
- Nick J. Rahall, II Appalachian Transportation Institute (ATI) Grant, 2010-2011 (Co-PI).
- Nick J. Rahall, II Appalachian Transportation Institute (ATI) Grant, 2009-2010 (Co-PI).
- “Field Monitoring of Curved Girder Bridges with Integral Abutments”, Iowa Department of Transportation Office of Bridges and Structures, 2008-2013 (Co-PI).
Refereed Journals
- 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. https://doi.org/10.37591/rrjosst.v11i1.3344
- 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. https://doi.org/10.37628/ijce.v8i1.767
- Spelman, D., and Lee, Y.S. (2022) “Sustainability of Concrete as a Civil Engineering Material,” Engineering Journal, 2022;26(7):69-81. https://doi.org/10.4186/ej.2022.26.7.69
- Lee, Y.S. (2022) “Achieving Sustainability in Concrete and Construction: Challenges and Opportunities,” Journal of Civil and Construction Engineering, 2022;8(2):17-26. URL: http://matjournals.co.in/index.php/JOCCE/article/view/520
- 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. https://doi.org/10.37591/jocetm.v12i1.6218
- 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. URL: http://matjournals.in/index.php/JoRAIS/article/view/7032
- 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. https://doi.org/10.1177/0361198121999393
- 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. URL: http://matjournals.in/index.php/JOCCE/article/view/4235
- 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. https://doi.org/10.18178/ijscer.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.
- 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. https://doi.org/10.14359/51686288
- 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., 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. https://doi.org/10.1177/0361198105192800125
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 (https://trid.trb.org/view.aspx?id=758540). https://doi.org/10.3141/trr.11s.453p210717525642
Conference Proceedings
- Keys, C., McCorkhill, N., and Lee, Y.S. “Investigation of Martian Concrete: Pumpability and Strength for Extraterrestrial 3D Printing,” Proceedings of the ASCE Earth and Space 2022, In-print.
- Hosteng, T.K., Lee, Y.S., Phares, B.M., and Nelson, J. “Laboratory Investigation of Grouted Coupler Connection Details for Accelerated Bridge Construction,” 100th Annual Meeting of Transportation Research Board (TRB), Washington DC., January 2021. Available at:
- Elhouar, S., Khodair, Y., Lee, Y.S., and Peters, T., "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., "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., Bierwagen, J., and Seo, J.W. “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, T.J., and Malhas, F.A. “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. “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. “Structural Field Testing and Evaluation of Two Demonstration FRP Deck Bridges,” Transportation Research Board 88th Annual Meeting, Washington DC, January 11-15, 2009. https://trid.trb.org/view/881772
- Lee, Y.S., Phares, B.M., and Wipf, T.J. “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. “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. “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. “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. “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. “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. “Strengthening of Steel Girder Bridges Using FRP,” 2013 Mid-Continent Transportation Research Symposium, Ames, Iowa, August 21-22, 2003.
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. https://intrans.iastate.edu/app/uploads/2018/03/high-strength_bolt-tightening_w_cvr.pdf
- 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. https://apps.ict.illinois.edu/projects/getfile.asp?id=3692
- 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. https://intrans.iastate.edu/app/uploads/2018/03/galvanized_steel_bridge_w_cvr1.pdf
- 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. https://trid.trb.org/view/1263927
- 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. https://onlinepubs.trb.org/onlinepubs/archive/NotesDocs/20-07(229)_FR.pdf
- 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. https://intrans.iastate.edu/app/uploads/2018/03/steel-bridge-vol2.pdf
- 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. https://intrans.iastate.edu/app/uploads/2018/03/corrosion_resistant_steel.pdf
- 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. https://minds.wisconsin.edu/bitstream/handle/1793/6915/WHRP05-03_Final_Report_Volume_I.pdf?sequence=1&isAllowed=y
- 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. https://minds.wisconsin.edu/bitstream/handle/1793/6915/WHRP05-03_Final_Report_Volume_II.pdf?sequence=2&isAllowed=y
- 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. https://iowadot.gov/bridge/ibrc_projects/CFRP_Plate_Final.pdf
- 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. http://publications.iowa.gov/21158/1/IADOT_CTRE_01_99_Evaluation_Post_Tension_Strengthened_Steel_Girder_FRP_Bars_2003.pdf
- 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. https://www.iowadot.gov/bridge/special_projects/Burlington_report_final_rev.pdf
Service
- CEC Undergraduate Programs Management, Director
- Center for Emerging Technology in Infrastructure, Co-Director
- Civil Engineering Academic Advisement, Director
- Teaching Excellence Committee, Chair
- Online Learning and Opportunity Committee, Chair
- Faculty Advisor of ASCE Student Chapter (2014-2022)
- Graduate Program Committee (2015-2022)
- Research Excellence Committee (2013-2022)
- Bridge-Pal Program (2013-2022)
- Director of CEC Concrete Laboratory (2013-2022)
- Center for Teaching Excellence and Learning (CTEL) Committee, Member (2015-2017)
- CCET Sabbatical Leave Committee, Member
- CCET Curriculum Committee, Member
Licensures and Certifications
Certifications
- Registered Professional Engineer (P.E.) – West Virginia (#018672)
- EIT/FE – Iowa
- Licensed Civil Engineer (Structures) – South Korea
Honors and Awards
- Caterpillar Inc. Faculty Achievement Award for Excellence in Teaching, Bradley University, 2015.
- Certificate of Recognition in Research, Bradley University, 2014, 2015.
- Premium for Academic Excellence Award, Iowa State University, 2002
- Midwest Transportation Consortium Scholarship, 2002-2006