Invited Talks
Invited Talks:
2024 Keynote Speaker, 2024 한국지반공학회 봄학술대회 (2024 KGS Spring Conference), Spatio-temporal analysis and prediction of Geohazards, March 22, 2024.
2024 2024 International Workshop for Geohazards and Urban Geotechnics, Orlando, Florida, USA, February 1, 2024.
2023 2023 YGE(Young Geotechnical Engineers) Career Workshop, Seoul, Republic of Korea, December 15, 2023.
2023 The 5th US-Korea Geotechnical Workshop, Atlanta, Georgia, USA, July 2023.
2023 KAIST(한국과학기술원), "Sinkhole Geotechnical Investigation Program: Multi-scale Approach," March 2023.
2023 The 1st Korea- Hong Kong Geotechnical Workshop, "Probabilistic-based spatial prediction model of sinkhole geohazards," January 2023.
2022 한국지반공학회 지반역학및불포화 기술위원회 세미나, "Study on geotechnical failure mechanism of Karst sinkhole", December 2022.
2022 한국지반공학회 지반진동기술위원회 세미나, "Structural assessment of road foundation using a moving vibration-based device (the Rolling Dynamic Deflectometer)", December 2022
2022 한국지반공학회 기초기술위원회 기술세미나, "Study on the ground settlement due to pile installation", November 2022
2022 Ajou Univerisy (아주대학교), "Sinkhole Detection and Investigation: Multi-scale Approach," September 2022.
2021 ASCE 6th Annual Web Conference on Sustainability in Geotechnical Engineering, "Field Study of Recycled Concrete Aggregate in French Drain," December 10, 2021
2021 US-Korea Conference 2021, Invited talk in Civil Symposium, " How to spatially predict the sinkhole hazard?: Data-driven approach", Dec 15-18, 2021, Garden Grove, CA.
2021 2021 Scientists and Engineers Early Career Development (SEED) Workshop (organized by KSEA), Garden Grove, CA
2021 Keynote Speaker, ART 2021 (The 3rd Asian Conference on Railway Engineering and Transportation). "Use of Remote sensing for Ground Subsidence," November 10-12, 2021, Jeju, Korea
2021 The 2nd US-Korea Geotechnical Workshop, “Sinkhole multi-scale engineering investigation”, Omaha, NE, August 2021.
2021 University of Nebraska-Lincoln. Department of Civil Engineering, “Sinkhole geotechnical investigation: CPT based assessment”, Omaha, NE, August 2021.
2021 Keynote Speaker, 110th ARDOT Transportation Research Committee (TRC) Engineering Conference & Equipment Expo, "Underground cavity assessment using CPT," Hot Springs, Arkansas, May 24, 2021.
2021 AEG Karst Hazards Forum Conference 2021, "Geotechnical engineering methods to assess the sinkhole vulnerability via cone penetration test (CPT)," March 24, 2021.
2021 Keynote Speaker, 13th Annual Richard F. McCormick Technical Conference, "Multiscale sinkhole vulnerability assessment," January 28, 2021
2020 Chang'An University, Geotechnical Program, Xi'an, China, November 2020 (virtual seminar) (Seminar series: Karst engineering geology and geotechnical engineering)
2020 US-Korea Geotechnical Workshop, virtual workshop, October 22, 2020
2019 Keynote speaker, 2nd International Conference Green Sustainable Industry Roads (ICGSIR) in Egypt, Cairo, Egypt, December 8-10, 2019.
2019 Institute of Industrial Science, The University of Tokyo, Tokyo, Japan, June 2019 (title: Sinkhole and subsidence in urban area).
2019 Institute for Geotechnical Engineering, Leibniz Universität Hannover, Hannover, Germany, May 2019 (title: Karst geotechnical engineering)
2019 University of South Florida, Dept. of Civil & Environmental Eng., Center for Urban Transportation Research, April 2019 (title: Sinkhole susceptibility evaluation for transportation infrastructure)
2018 Keynote speaker, 1st International Conference Green Sustainable Industry Roads (ICGSIR) in Egypt, Cairo, Egypt, May 3, 2018 (title: A continuous pavement profiling device for evaluating urban sinkholes)
2018 University of South Florida, School of Geosciences, Tampa, FL, April 20, 2018 (title: Karst Sinkhole Risk Assessment—an Engineering Perspective)
2017 National Institute of Agricultural Science, Rural Development Administration, Republic of Korea, June 14, 2017 (title: Enhancement of the natural hazard response system in rural communities)
2017 Korea Advanced Institute of Science and Technology, Daejeon, South Korea, March 2017 (title: Urban ground collapse and subsidence – detection, characterization, and engineering).
2017 Keynote speaker, Annual Conference of Korea Geotechnical Society, March 2017 (title: Sinkhole hazard assessment and hazard mapping)
2016 US-Korea Conference 2016, August 2016 (title: Sinkhole risk evaluation in Central Florida using Geotechnical subsurface exploration tests)
2016 Annual Conference of Korea Geotechnical Society, “Sinkhole hazard assessment and hzard mapping,” September 2016.
2016 US-Korea Conference 2016, “Sinkhole risk evaluation in Central Florida using Geotechnical subsurface exploration tests,” August 2016.
2015 Geotechnical Research In Progress (GRIP) Meeting, “Development of a sinkhole risk evaluation program,” FDOT State Materials Office, Gainesville, FL, August 21, 2015.
2015 Florida BNEST Regional Conference (organized by KSEA), “Assessment and prediction of Florida sinkholes,” University of Central Florida, Orlando, FL, February 2015.
2014 Kangwon National University, “A geohazard in Florida: characterization and prediction,” Chuncheon, Korea, July 2014.
2014 Hongik University, “Mechanical and microstructural characterization of graphene-cmenet composite,” Seoul, Korea, July 2014.
2014 KSEA Southeastern Regional Conference “A Multi-functional civil engineering material: graphene-cement composite,” 2014, Duluth, GA, March 2014.
2014 Florida Roof Recycling, LLC, “Use of Tear-off Asphalt Roofing Shingles in Hot Mix Asphalt.” Orlando, FL, Jan 2014.
2013 Dongguk Univerisity, “UCF Introduction - Study Abroad and Going to the U.S.”, Seoul, Korea, Sept 2013.
2013 The Korean Institute of Construction Technology (KICT), “Graphene-Cement Composite for Structural Health Monitoring,” Korea, Sept 2013.
2013 Incheon Port Authority, “Monthly Seminar: High Performance Concrete for Off Shore Structures,” Incheon, Korea, Sept 2013.
2013 Korean Expressway Corporation, ”Continuous Pavement Testing Device: the Rolling Dynamic Deflectoemter,” Korea, Sept 2013.
2013 ENB Group (Engineering, Environment, Energy-Bio), “Multi-Function Materials: Carbon-Based Cement Composite,” Korea, Sept 2013.
2013 Hinkley Center for Solid and Hazardous Waste Management, Gainesville, Florida, “Waste-to-Energy Ash: Material Characterization and Its Use as Construction Material”.
2012 Korean Railroad Research Institute (KRRI), “History and Future of Continuous Pavement Deflection Measurement Devices”, Uiwang-si, Korea, August 2012.
2012 University of Wisconsin at Madison, Madison, Wisconsin, “Florida’s Special Pavement Problems and Their Solutions”, June 2012.
2012 University of Central Florida, Pilot Engineering Education Program for Korean Government Engineers, “Recent Practices of Highway Pavement Condition Assessment,” April 2012.
2012 Florida Department of Transportation (FDOT) State Material Office, Gainesville, Florida, “New-Generation of Pavement Testing Device”, March 2012.
2010 Fugro Consultants Inc., Austin, Texas, “History of the Texas Rolling Dynamic Deflectometer and New Development”.