Youngjib Ham

Youngjib Ham
Assistant Professor of Construction Science
Texas A&M University (TAMU)

329B Francis Hall, 3137 TAMU
College Station, TX 77843-3137, USA
Phone: (979) 458-0184
yham at tamu.edu

Ph.D. Civil Engineering (CEM), University of Illinois at Urbana-Champaign, 2015
M.S. Computer Science, University of Illinois at Urbana-Champaign, 2014
M.S. Architectural Engineering (CEM), Seoul National University, 2011
B.S. Rural Systems Engineering, Seoul National University, 2009

Areas of Research

Smart City Resilience & Resilient Infrastructure System
Digital Twin City, Big (Visual) Data-driven Risk Management, Imaging-to-Simulation, Social Sensing, Citizen Science, Risk-informed Decision Making
Experimental Wind Testing with the NSF NHERI Wall of Wind (WOW) Experimental Facility (EF)
Smart Construction & Intelligent Maintenance
Visual Sensing and Big Data Analytics, Unmanned Aircraft System (Drone), Digital Twin Modeling, Imaging-to-Simulation
Smart Building & Sustainable Community
Human-Building Interaction, Thermographic & Physiological Sensing and Analytics, Building Information Modeling (BIM), Building Energy

Support from NSF and TxDOT is gratefully acknowledged.

NSF #2026574: The Future of Teleoperation in Construction Workplaces
NSF #1635378 & 1832187: Uncovering Potential Risks of Wind-induced Cascading Damages to Construction Projects and Neighboring Communities
NSF #2037607: Artificial Intelligence-driven Disaster Risk Prediction and Assessment
NSF #2021342: Improving Undergraduate Education in Civil & Building Engineering through Student-centric Cyber-Physical Systems and Real-world Problems
TxDOT #0-7063: Guidance for the Use of UAS During Suboptimal Environmental Conditions

I currently have several openings with my group for highly motivated and driven students in all areas of our group's research! If you are interested in joining the team, please contact Dr. Ham sharing your CV and passion.

Awards and Honors

Best Paper Award, ASCE Journal of Management in Engineering, 2020
Junior Faculty Award, The Korean-American Construction Engineering and Project Management Association (KACEPMA), 2020
Montague-CTE Faculty Award, Texas A&M University, 2019
ASCE ExCEEd Teaching Fellow, 2019
Outstanding Reviewer, ASCE Journal of Construction Engineering and Management, 2018, 2016
Outstanding Reviewer, ASCE Journal of Computing in Civil Engineering, 2017, 2016
Best Paper Award, The 6th International Conference on Construction Engineering and Project Management, 2015
FIATECH CETI Award, FIATECH, 2015
FIATECH Scholarship, FIATECH, 2015, 2013
Chester P. Siess Award, University of Illinois Urbana-Champaign, 2014
Best Poster Award (Third-Place), ASCE Construction Research Congress, 2014
Construction Management Association of America (CMAA)'s Scholarship, CMAA Chicago and National Capital Chapter, 2014, 2012
Best Paper Award Runner-up, ASCE International Workshop on Computing in Civil Engineering, 2012
CMAA National Foundation Scholarship (Nationally competitive*), CMAA Foundation, 2012
Korean-American Scientists and Engineers Association Graduate Scholarship, Korean-American Scientists and Engineers Association, 2012
Vecellio Fellowship, Virginia Tech, 2011
Cum Laude Bachelor's Degree, Seoul National University, 2009
Best Paper Award, The 5th Korea Institute of Construction Engineering and Management Conference, 2008
National Science & Technology Scholarship, Korea Student Aid Foundation (KOSAF), 2004
Merit-based Scholarship, Seoul National University, 2003-2010

Publications

Journal Publications

Participatory Sensing and Digital Twin City: Updating Virtual City Models for Enhanced Risk-informed Decision-Makings (2020 JME Best Paper Award)
Ham, Y., and Kim, J.
Journal of Management in Engineering Special Collection "Engineering Smarter Cities with Smart City Digital Twins", ASCE, 36(3), 2020.

Physiological Sensing-driven Personal Thermal Comfort Modeling in Consideration of Occupant Activity Variations
Lee, J., and Ham, Y.
Building Research & Information, TAYLOR & FRANCIS, 2020.

Vision-based Volumetric Measurements via Deep Learning-based Point Cloud Segmentation for Material Management in Jobsites
Kamari, M. and Ham, Y.
Automation in Construction, ELSEVIER, 2020.

Increasing Reliability of Participatory Sensing for Utility Pole Condition Assessment using Fuzzy Inference
Kim, H. and Ham, Y.
Journal of Construction Engineering and Management, ASCE, 2020.

Impact of Demand-side Response on Community Resilience: Focusing on a Power Grid after Seismic Hazards
Lee, S., Park, M., Lee, H., and Ham, Y.
Journal of Management in Engineering, ASCE, 36(6), 2020.

Effective Risk Positioning through Automated Identification of Missing Contract Conditions from the Contractor's Perspective: Based on the FIDIC Contract Cases
Lee, J., Ham, Y., Yi, J, and Son, J.
Journal of Management in Engineering, ASCE, 36 (3), 2020.

Participatory Sensing-based Geospatial Localization of Distant Objects for Disaster Preparedness in Urban Built Environments
Kim, H., and Ham, Y.
Automation in Construction, Elsevier, 107, 102960, 2019.

Automated Content-Based Filtering for Enhanced Vision-based Documentation in Construction toward Exploiting Big Visual Data from Drones
Ham, Y., and Kamari, M.
Automation in Construction, Elsevier, 105, 102831, 2019.

A Framework of Human-Motion Based Structural Dynamics Simulation Using Mobile Devices
Yoon, H., Han, K., and Ham, Y.
Sensors, MDPI, 19(15), 3258, 2019.

Vision-based Nonintrusive Context Documentation for Earthmoving Productivity Simulation
Kim, H., Ham, Y., Kim, W., Park, S., and Kim, H.
Automation in Construction, Elsevier, 102, 135-147, 2019.

Systematic Camera Placement Framework for Operation-level Visual Monitoring on Construction Jobsites
Kim, J., Ham, Y., Chung, Y., and Chi, S.
Journal of Construction Engineering and Management, ASCE, 145(4), 04019019, 2019.

Quantifying the Impact of Building Envelope Condition on Energy Use
Jeon, J, Lee, J., and Ham, Y.
Building Research & Information, Taylor & Francis, 47(4), 404-420, 2019.

A System-level Approach for Identifying Main Uncertainty Sources in Pavement Construction Life-Cycle Assessment for Quantifying Environmental Impacts
Yoo, W., Ozer, H., and Ham, Y.
Journal of Construction Engineering and Management, ASCE, 145(2), 04018137, 2019.

Analyzing Context and Productivity of Tunnel Earthmoving Processes Using Imaging and Simulation
Kim, H., Bang, S., Jeong, H., Ham, Y. and Kim, H.
Automation in Construction, Elsevier, 92, 188-198, 2018.

Motion and Visual Data-driven Distant Object Localization for Field Reporting
Ham, Y., and Yoon, H.
Journal of Computing in Civil Engineering, ASCE, 32(4), 2018.

Real-time Energy Audit of Built Environments: Simultaneous Localization and Thermal Mapping (Invited Paper)
Ramachandra, B., Monroe, J., Nawathe, P., Han, K., Ham, Y., and Raju Vatsavai, R.
Journal of Infrastructure Systems, ASCE, 24(3), 2018.

Algorithmic Development of Life-Cycle Assessment: Application of Urban Water Infrastructure Systems in Iran
Balali, V., Yaseri, K., and Ham, Y.
KSCE Journal of Civil Engineering, Springer, 21(5), 1979-1990, 2017.

Integrated Visualization for Reinforced Concrete Using Ultrasonic Tomography and Image-based 3-D Reconstruction
Choi, H., Ham, Y., and Popovics, J. S.
Construction and Building Materials, Elsevier, 123, 384-393, 2016.

Impact analysis on the variations of the thermo-physical property of building envelopes and occupancy in building energy performance assessment
Lee, J., and Ham, Y.
Procedia Engineering, Elsevier, 145, 556-564, 2016.

Forward-Backward Approach for 3D Event Localization using Commodity Smartphones for Ubiquitous Context-Aware Applications in Civil and Infrastructure Engineering
Yoon, H., Ham, Y., Golparvar-Fard, M., and Spencer Jr, B. F.
Journal of Computer-Aided Civil and Infrastructure Engineering, Wiley, 31, 245-260, 2016.

Visual Monitoring of Civil Infrastructure Systems via Camera-Equipped Unmanned Aerial Vehicles (UAVs): A Review of Related Works (Invited Paper)
Ham, Y., Han, K., Lin, J., and Golparvar-Fard, M.
Visualization in Engineering, Springer, 4(1), 1-8, 2016.

BIM and Thermographic Sensing: Reflecting the As-is Building Condition in Energy Analysis (Invited Paper)
Ham, Y., and Golparvar-Fard, M.
Journal of Construction Engineering and Project Management, KICEM, 5(4), 16-22, 2015.

3D Thermography-based Method for Cost-Benefit Analysis of Energy Efficiency Building Envelope Retrofits (Invited Paper from 2013 ASCE International Workshop on Computing in Civil Engineering)
Ham, Y., and Golparvar-Fard, M.
Journal of Computing in Civil Engineering, ASCE. 29(4), B4014009, 2015.

3D As-is Building Energy Modeling and Diagnostics: A Review of the State-of-the-Art (Invited Paper)
Cho, Y., Ham, Y., and Golparvar-Fard, M.
Advanced Engineering Informatics, Special Issue on Infrastructure Computer Vision, Elsevier, 29(2), 184-195, 2015.

Mapping Actual Thermal Properties to Building Elements in gbXML-based BIM for Reliable Building Energy Performance Modeling (Invited Paper from 30th International Symposium on Automation and Robotics in Construction (ISARC))
Ham, Y., and Golparvar-Fard, M.
Automation in Construction, Elsevier, 49, 214-224, 2015.

3D Visualization of Thermal Resistance and Condensation Problems using Infrared Thermography for Building Energy Diagnostics
Ham, Y., and Golparvar-Fard, M.
Visualization in Engineering, Springer, 2(1), 1-15, 2014.

Automated Diagnostics and Visualization of Potential Energy Performance Problems in Existing Buildings using EPAR - Energy Performance Augmented Reality - Models (Invited Paper from 2012 ASCE International Workshop on Computing in Civil Engineering)
Golparvar-Fard, M., and Ham, Y.
Journal of Computing in Civil Engineering, ASCE, Special Issue on Computational Approaches to Understand and Reduce Energy Consumption in the Built Environment. 28(1), 17-29, 2014.

EPAR: Energy Performance Augmented Reality Models for Identification of Building Energy Performance Deviations between Actual Measurements and Simulation Results
Ham, Y., and Golparvar-Fard, M.
Energy and Buildings, Elsevier, 63, 15-28, 2013.

An Automated Vision-based Method for Rapid 3D Energy Performance Modeling of Existing Buildings using Thermal and Digital Imagery (One of the most downloaded Advanced Engineering Informatics Articles in 2013)
Ham, Y., and Golparvar-Fard, M.
Advanced Engineering Informatics, Elsevier, 27(3), 395-409, 2013.

Construction Policymaking: With an Example of Singaporean Government's Policy to Diffuse Prefabrication to Private Sector
Park, M., Ingawale-Verma, Y., Kim, W., and Ham, Y.
KSCE Journal of Civil Engineering, Springer, 15(5), 771-779, 2011.

Development of Design Process Management Model using Dependency Structure Matrix for Constructability
Park, M., Ham, Y., Lee, H. S., and Kim, W.
Korean Journal of Construction Engineering and Management, KICEM, 11(5), 65-74, 2010.

Refereed Conference Publications

Vision-based Analysis of Utility Poles using Drones and Digital Twin Modeling in the context of Power Distribution Infrastructure Systems (Recognized as a top paper and invited to special issue in ASCE Journal of Construction Engineering and Management)
Kim, J., and Ham, Y.
ASCE Construction Research Congress, 8-10 March, Tempe, AZ, 2020.

Analyzing Potential Risk of Wind-induced Damage in Construction Sites and Neighboring Communities using Large-scale Visual Data from Drones
Kamari, M., and Ham, Y.
ASCE Construction Research Congress, 8-10 March, Tempe, AZ, 2020.

Investigating the Effect of Reflecting Human Activity Information in Physiological Sensing-driven Occupant Thermal Comfort Modeling
Lee, J., Ham, Y., and Suermann, P.
ASCE Construction Research Congress, 8-10 March, Tempe, AZ, 2020.

Evaluating Deterioration Levels of Utility Poles using Participatory Sensing and Fuzzy inference
Lee, S., and Ham, Y.
ASCE Construction Research Congress, 8-10 March, Tempe, AZ, 2020.

Probabilistic Analysis of Structural Reliability of Leaning Poles in Power Distribution Infrastructure Systems Under Extreme Wind Loads
Lee, S., and Ham, Y.
ASCE Construction Research Congress, 8-10 March, Tempe, AZ, 2020.

A Digital Twin City Model for Age-Friendly Communities: Capturing Environmental Distress from Multimodal Sensory Data
Ahn, C., Ham, Y., Kim, J., and Kim, J.
Hawaii International Conference on Systems Science (HICSS) "Smart City Digital Twins", 8-11 January, Grand Wailea, Hawaii, 2020.

Mapping Local Vulnerabilities into a 3D City Model through Social Sensing and the CAVE system toward Digital Twin City
Kim, J., Kim, H., and Ham, Y.
2019 ASCE International Conference of Computing in Civil Engineering, 17-19 June, Atlanta, GA, 2019.

Localizing Local Vulnerabilities in Urban Areas using Crowdsourced Visual Data from Participatory Sensing (Recognized as a top paper and invited to special issue in ASCE Journal of Construction Engineering and Management)
Kim, H., Ham, Y., and Kim, H.
2019 ASCE International Conference of Computing in Civil Engineering, 17-19 June, Atlanta, GA, 2019.

Deep learning-based Context Documentation for Earthmoving Productivity Simulation
Kim, H., Ham, Y., and Kim, H.
2019 ASC International Conference, 10-13 April, Denver, CO, 2019.

Integration of Imaging and Simulation for Earthmoving Productivity Analysis
Kim, H., Bang, S., Jeong, H., Ham, Y., and Kim, H.
35th International Symposium on Automation and Robotics in Construction (ISARC), 20-25 July, Berlin, Germany, 2018.

Camera Placement Optimization for Vision-based Monitoring on Construction Sites
Kim, J., Ham, Y., Chung, Y., and Chi, S.
35th International Symposium on Automation and Robotics in Construction (ISARC), 20-25 July, Berlin, Germany, 2018.

Automated Filtering Big Visual Data from Drones for Enhanced Visual Analytics in Construction
Kamari, M, and Ham, Y.
ASCE Construction Research Congress, 2-5 April, New Orleans, LA, 2018.

Imaging-to-Simulation Framework for Improving Disaster Preparedness of Construction Projects and Neighboring Communities
Ham, Y., Lee, S., and Chowdhury, A G.
ASCE International Workshop on Computing in Civil Engineering, 25-27 June, Seattle, WA, 2017.

Energy Audit of Built Environments through Real-Time Localization and Thermal Mapping
Ramachandra, B., Monroe, J., Nawathe, P., Han, K., Ham, Y., and Raju Vatsavai, R.
International Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities, 19-21 July, South Korea, 2017.

Robust Remote Localization from Multi-modal Mobile Sensing and Analytics for Civil and Building Engineering Applications
Yoon, H., Ham, Y., and Spencer Jr, B. F.
16th International Conference on Computing in Civil and Building Engineering, 6-8 July, Osaka, Japan, 2016.

Improving situational awareness of the as-is building conditions through multi-modal sensing and analytics using thermal camera-equipped smartphones
Ham, Y., Yoon, H., and Spencer Jr, B. F.
2016 ASCE Construction Research Congress, 31 May-2 June, San Juan, Puerto Rico, 2016.

Evaluating the impact of reflecting the as-is building condition in BIM-based energy modeling process on building energy simulation
Jeon, J., and Ham, Y.
2016 ASCE Construction Research Congress, 31 May-2 June, San Juan, Puerto Rico, 2016.

Impact analysis on the variations of the thermo-physical property of building envelopes and occupancy in building energy performance assessment
Lee, J., and Ham, Y.
International Conference on Sustainable Design, Engineering, and Construction, 18-20 May, Arizona State University, Tempe, AZ, 2016.

Updating BIM: Reflecting Thermographic Sensing in BIM-based Building Energy Analysis (Best Paper Award)
Ham, Y., and Golparvar-Fard, M.
The 6th International Conference on Construction Engineering and Project Management (ICCEPM), 11-14 October, Busan, Korea, 2015.

Updating R-values of BIM Elements using 3D Thermography for Accurate Building Energy Performance Simulation
Ham, Y., and Golparvar-Fard, M.
International Conference for Computing in Civil and Building Engineering (ICCCBE), 23-25 June, Orlando, FL, 2014.

Evaluating the Value of Investment in Building Insulation Retrofits based on EPAR - Energy Performance Augmented Reality- Models
Ham, Y., and Golparvar-Fard, M.
ASCE Construction Research Congress, 19-21 May, Atlanta, GA, 2014.

Automated Cost Analysis of Energy Loss in Existing Buildings through Thermographic Inspections and CFD Analysis (Recognized as a top paper and invited to special issue in ELSEVIER Automation in Construction)
Ham, Y., and Golparvar-Fard, M.
30th International Symposium on Automation and Robotics in Construction (ISARC), 11-15 August, Montreal, Canada, 2013.

Calculating the Cost of Heating and Cooling Loss for Building Diagnostics using EPAR -Energy Performance Augmented Reality- Models (Recognized as a top paper and invited to special issue in ASCE Journal of Computing in Civil Engineering)
Ham, Y., and Golparvar-Fard, M.
ASCE International Workshop on Computing in Civil Engineering, 23-25 June, Los Angeles, CA, 2013.

EPAR V2.0: Automated Monitoring and Visualization of Potential Areas for Building Retrofit using Thermal Cameras and Computational Fluid Dynamics (CFD) Models (Recognized as a top paper and invited to special issue in Journal of Construction Engineering and Project Management)
Ham, Y., and Golparvar-Fard, M.
5th International Conference on Construction Engineering and Project Management (ICCEPM), 9-11 January, Anaheim, CA, 2013.

Vision-based 3D Building Energy Performance Modeling
Ham, Y., and Golparvar-Fard, M.
US-KOREA Conference 2012, 8-11 August, Los Angeles, CA, 2012.

Identification of Potential Areas for Building Retrofit using Thermal Cameras, Digital Imagery, and CFD Models (Best Paper Award Runner-up)
Ham, Y., and Golparvar-Fard, M.
2012 ASCE International Workshop on Computing in Civil Engineering, 17-20 June, Clearwater Beach, FL, 2012.

Rapid 3D Energy Performance Modeling of Existing Buildings using Thermal and Digital Imagery
Ham, Y., and Golparvar-Fard, M.
2012 ASCE Construction Research Congress, 21-23 May, West Lafayette, IN, 2012.

Constructability Implementation Model using Dependency Structure Matrix
Ham, Y., Park, M., and Lee, H. S.
4th International Conference on Construction Engineering and Project Management (ICCEPM), 16-18 February, Sydney, Australia, 2011.

Modeling Information Dependencies based on BIM for Constructability Implementation
Ham, Y., Park, M., Lee, H. S., and Jung, M.
BuildingSMART Korea BIM Academic Conference 2010, 2-4 December, Pyeongchang, Korea, 2010.

Application of Dependency Structure Matrix for Constructability in Design Phase
Ham, Y., Lee, H. S., and Park, M.
8th International Symposium on Architectural Interchanges in Asia (8th ISAIA), 9-12 November, Kitakyushu, Japan, 2010.

A Framework for Construction IT System Management using Data Envelopment Analysis
Ham, Y., Park, M., Lee, H. S., and Jang, Y.
10th Korea Institute of Construction Engineering and Management (KICEM) Annual Conference, 19-20 November, Daejeon, Korea, 2009.

A Building Portal-based KMS for Small and Medium-sized Construction Companies (Best Paper Award)
Ham, Y., Lee, H. S., Park, M., and Kwon, S.
5th Korea Institute of Construction Engineering and Management (KICEM) Annual Conference for undergraduate, 7-8 November, Seoul, Korea, 2008.

Teaching

Building Information Modeling Systems (COSC461), Fall 2019, Spring & Fall 2020 (TAMU)
Advanced Construction Visualization (COSC650), Spring 2018, 2019 (TAMU)
Construction Planning and Scheduling (BCN3720), Spring 2017, 2016 (FIU)
Construction Information Systems (BCN5784), Fall 2016 (FIU)
Management of Construction Projects (BCN4703), Fall 2015 (FIU)
Construction Management (CEE320), Fall 2014 (UIUC, TA)
Visual Sensing for Civil Infrastructure Engineering and Management (CEE 598), Spring 2013 (UIUC, TA)

My Group

Current Postdoctoral Research Associate

Dr. Jeehee Lee
Dr. Seulbi Lee

Current Ph.D. and Master Students

Mirsalar Kamari
Jaeyoon Kim
Jinsol Lee
Aswin Jacob Thomas
Di Liu
Yung-Hsin Tung
Jingdi Zhang

Alumni

Hongjo Kim (Post Doc, TAMU)
Jinwoo Kim (PhD student, SNU)
Michelle Chavez Abril (MS, FIU)
JongWook Jeon (MS, UIUC)
JaeHyuk Lee (MS, UIUC)
Angeela Shrestha (MS, TAMU)
Kajal Matanchhea Shrestha (MS, TAMU)
Nathan Reed (BS, TAMU)

Brief Biography

Youngjib Ham is an Assistant Professor of Construction Science at TAMU. He received B.S. (cum laude) and M.S. degrees from Seoul National University in 2009 and 2011, respectively; and M.S. in Computer Science and Ph.D. in Civil Engineering (advisor: Prof. Mani Golparvar-Fard) from University of Illinois at Urbana-Champaign in 2014 and 2015, respectively. Before joining TAMU, he was an Assistant Professor in The Moss School of Construction, Infrastructure and Sustainability at Florida International University (FIU) (2015-2017).