Research

 External Grants and Contracts:

  1. Texas Department of Transportation (TxDOT), 2014, PI (Lee, S.-J.), CoPIs, (Humphries, Evan, Hu, J. and Kim, Y. J.), “Improved Crack Sealant Application Methods”, Amount: $229,640, September 2014 – August 2017.
  2. Federal Aviation Administration (FAA), 2013, PI (Lee, S.-J.), CoPI (Humphries, Evan), “An Evaluation of Pavement Preservation and Maintenance Activities at General Aviation Airports in the FAA Southwest Region: Current Practices, Perceived Effectiveness, Costs, and Planning”, Amount: $60,000, September 2013 – October 2014.
  3. Korea Institute of Construction Technology (KICT), 2013, PI (Lee, S.-J.), CoPIs (Hu, J. and Kim, Y. J.), “Development of Low-Carbon Low-Cost Asphalt Pavement: Evaluation of New Additive for Crumb Rubber Modified Asphalt Binders, Amount: $19,355, February 2013 – November 2013.
  4. Texas Department of Transportation (TxDOT), 2012, PI (Hu, J.), CoPIs, (Lee, S.-J.), “Feasibility Study of Two-lift Concrete Paving”, Amount: $136,947, September 2012 – August 2013.
  5. TxDOT, 2012, PI (Kim, Y. J.), CoPIs, (Lee, S.-J.), “Synthesis on Geosynthetic-Reinforced Steep Slopes”, Amount: $49,984, September 2012 – August 2013.
  6. TxDOT, 2011, PI (Lee, S.-J.), CoPIs (Hu, J., Kim, Y. J. and Winek, G.) “Costs Associated with Conversion of Surfaced Roads to Un-surfaced Roads”, Amount: $118,112, September 2011 – August 2012.
  7. TxDOT, 2011, PI (Hu, J.), CoPIs (Lee, S.-J.), “Synthesis on Cost Effectiveness of Extradosed Bridges”, Amount: $49,995, September 2011 – August 2012.
  8. Pittsburg Flexicore, 2011, PI (Kim, Y. J.), CoPIs (Lee, S.-J.) “Review of Quality System Manual (QSM) for Precast/Prestressed Concrete: PCI Level II”, Amount: $6,000, September 2011 – March 2012.
  9. TxDOT, 2010, PI (Lee, S.-J.), CoPIs (Hu, J., Gaedicke, C. and Kim, Y. J.), “Synthesis of Microsurfacing Successes and Failures”, Amount: $49,931, November 2010 – August 2011.
  10. TxDOT, 2009, PI (Hu, J.), CoPIs (Lee, S.-J.), “Evaluation, Prevention and Repair of Microbial Acid-Produced Attack of Concrete”, Amount: $252,557, September 2009 – August 2011.
  11. South Carolina Department of Health and Environmental Control (SC DHEC), CoPI, 2007, “Phase Angle Study”, Amount: $50,000.
  12. SC DHEC, CoPI, 2007, “Vestenamer Study”, Amount: $120,000.
  13. SC DHEC, CoPI, 2007, “Warm Asphalt Study”, Amount: $90,000.
  14. SC DHEC, CoPI, 2007, “Rubber Microsurfacing Phase 1 Study”, Amount: $50,000.
  15. SC DHEC, CoPI, 2007, “Chemical Analysis Study”, Amount: $75,000.
  16. SC DHEC, CoPI, 2006, “Low-Temperature Binder Study”, Amount: $50,000.
  17. SC DHEC, CoPI, 2006, “Rubber-Modified Mix Performance Research”, Amount: $75,000.
  18. SC DHEC, CoPI, 2005, “Rubber-Modified Asphalt Research”, Amount: $100,000.

Awards:
Texas State University’s Presidential Award for Excellence in Scholarly/Creative Activity (2010)