• Indepence Review of the C-Flex and C-Slab Programs, U.S. Army Engineer Research and Development Center, PI, 2023-2024
  • Guidelines for Incorporation of Cement Stabilized Reclaimed Base (CSRB) in Pavement Design, Georgia Department of Transportation, PI, 2020 - 2022
  • Investigation & Guidelines for Drilled Shaft Excavation Inspections, Georgia Department of Transportation, Co-PI, 2019 - 2020
  • Full Depth Pavement Reclamation: Performance Assessment and Recommendations for Best Performance, Georgia Department of Transportation, PI, 2018-2019
  • Road Roughness Measurement and Mapping Using a Smartphone-based Crowd Sourcing Technology, Kennesaw State University Research and Service Foundation (KSURSF), Co-PI, 2017
  • A Comparative Study on Road Policies for Performance Enhance of Highway Pavement in Korea, Korea Expressway Corporation, Co-PI, 2016-2017




Invited talks and presentations

  • Full Depth Reclamation in Georgia: Performance Assessment and Recommendations for Best Performance, January 14, 2020, Standing Committee on Stabilization of Geomaterials and Recycled Materials, Transportation Research Board, Washington, D.C.
  • Use of Geosynthetics in Block Pavement, June 8, 2018, Korean Block Association, Seoul, Korea
  • 2017 Roadway Maintenance Policy Forum, Roadway contracting practices in US, December 21, 2017, Ministry of Land, Infrastructure and Transport of South Korea, Seoul, Korea
  • Use of Geosynthetics in Pavement, October 6, 2017, Georgia Institute of Technology, Atlanta, Georgia
  • Georgia Transportation Institute (GTI) research expo, Cyclic load triaxial tests for Unbound Granular Materials using the Precision Unbound Materials Analyzer, October 5, 2017, Atlanta, Georgia
  • The use of geogrids in railroad applications, February 14, 2017, Pennsylvania State University, Altoona, Pennsylvania
  • Georgia Society of Professional Engineers, Mechanical Stabilization of unbound layers to improve pavement performance, November 11, 2016, Georgia Institute of Technology