The Department of Construction Science supports the College of Architecture and Texas A&M Universities Strategic Plan, Education First, for the advancement of the public good. Research is a vital component of our mission that enriches and refreshes our faculty teaching experience for the benefit of our students and the industry. Research activities improve real world application of knowledge, insight and creativity.

The goal of our faculty and student research is to find topics of common interest to academia and industry and to address pressing areas and concerns of the industry. Research can help bridge the gaps of knowledge in areas of our focus which include:

Research Articles and Publications

Listed below is a sampling of significant faculty and student articles and publications.

Ahn, Changbum "Ryan"

Dr. Ahn’s research interests focus on analyzing and identifying humans’ collective behavior patterns derived from wearable sensors and/or crowdsourced dataset, in order to design and build (1) safe construction workplaces, (2) smart and connected urban communities, and (3) intelligent and energy-efficient building systems. He leads the Smart and Sustainable Construction (SSC) Research Group at Texas A&M University and his research projects has been supported by external funding agencies including the National Science Foundation, the Center for Construction Research and Training (CPWR), the Nebraska Department of Roads, the Federal Highway Administration, and the Korea Agency for Infrastructure Technology Advancement.

  1. Yang, K., Ahn, C.R., Vuran, C. M., and Kim, H.  (2017)."Collective Sensing of Workers’ Gait Patterns to Identify Fall Hazards in Construction." Automation in Construction, 10.1016/j.autcon.2017.04.010, Accepted / Online publication date: 1-Apr-2017. 
  2. Chen, J., Qiu, J., and Ahn, C.R., (2017)."Construction Worker's Awkward Posture Recognition Through Supervised Motion Tensor Decomposition." Automation in Construction, Elsevier, Vol. 77, pp. 67–81.
  3. Kim, H., Ahn, C.R., and Yang, K.2 (2016)."A People-Centric Sensing Approach to Detecting Sidewalk Defects." Advanced Engineering Informatics, Elsevier, Vol. 30, No. 4, pp. 660-671.
  4. Kim, H. , Ahn, C.R., and Yang, K. 2 (2016). "Identifying Safety Hazards Using Collective Bodily Responses of Workers." Journal of Construction Engineering and Management§, Vol. 143, No. 2, 04016090.

Behzadan, Amir

Dr. Behzadan's research sits at the intersection of wearable sensing, machine learning, artificial intelligence, and adaptive simulation, with applications in infrastructure design and operation, smart construction health and safety, and STEM education. He leads the Construction Informatics and Built Environment Research (CIBER) Lab at Texas A&M University. His research projects are funded by federal, state, and local agencies including the National Science Foundation (NSF), Engineering Information Foundation (EiF), and Florida Department of Transportation.

  1. Rashid, K., and Behzadan, A.H. (2017). "Risk Behavior-Based Trajectory Prediction for Construction Site Safety Monitoring." Journal of Construction Engineering and Management, ASCE (in press).
  2. Nath, N., Akhavian, R., and Behzadan, A.H. (2017). "Ergonomic Analysis of Construction Worker's Body Postures Using Wearable Mobile Sensors." Journal of Applied Ergonomics, Elsevier Science, Vol. 62, pp. 107-117.
  3. Akhavian, R., and Behzadan, A.H. (2016). "Smartphone-Based Construction Worker's Activity Recognition and Classification." Journal of Automation in Construction, Elsevier Science, Vol. 71, No. 2, pp. 198-209.
  4. Leite, F., Cho, Y., Behzadan, A.H., Lee, S., Choe, S., Fang, Y., Akhavian, R., and Hwang, S. (2016). "Visualization, Information Modeling, and Simulation Grand Challenges in the Construction Industry.", Journal of Computing in Civil Engineering, ASCE, Vol. 30, No. 6, 04016035.

Bryant, John A.

  1. Bryant, John (2002). Short Term Energy Monitoring. Journal of European Facility Management, Fall 2002.
  2. Bryant, John (2002). Update on Energy metering at Texas Department of Criminal Justice, Proceedings of the 224th Industrial Energy Technology Conference, Summer 2002.
  3. Bryant, John and Kimberly Carlson (1999). "The STEM Test: An Approach for determining Building Connected Load Information." American Society of Mechanical engineers Renewable and Advanced Energy Systems for the 21st Century Conference. Lahaina, Maui, HI.

Choi, Kunhee (KC)

Dr. Choi is interested in transportation infrastructure construction and project management. His work has focused on integrated transportation informatics, infrastructure modeling, optimization, sustainability, and information technology. He directs i2dEAS LAB with a clear vision to develop a leading-edge research program that deepens our knowledge of both the theory and practice in these research fields. For more information click here.

  1. Bae, J., Choi, K., and Oh, J.H. (2017). “Multi-Contextual Machine-Learning Approach to Modeling Traffic Impact of Urban Highway Work Zones.” Transportation Research Record: Journal of the Transportation Research Board, Transportation Research Board of the National Academies, accepted for publication by the Artificial Intelligence Committee of TRB, in press. (ISSN: 0361-1981; 5-Year Impact Factor – 0.778; H Index – 52).
  2. Hosseinian, S., Choi, K., and Bae, J. (2017). “iRIER: A Decision-Support Model for Optimal Energy Retrofit Investments.” Journal of Construction Engineering and Management, ASCE, accepted for publication, in press. (ISSN: 0733-9364; 5-Year Impact Factor – 1.731; H Index – 71).
  3. Choi, K., and Lee, H.W. (2016). “Deconstructing the Construction Industry: A Spatiotemporal Clustering Approach to Profitability Modeling.” Journal of Construction Engineering and Management, ASCE, 142 (10), 04016051. (ISSN: 0733-9364; 5-Year Impact Factor – 1.731; H Index – 71).
  4. Choi, K., Kim, Y.H., Bae, J., and Lee, H.W. (2016). “Determining Future Maintenance Costs of Low-Volume Highway Rehabilitation Projects for Incorporation into Life-Cycle Cost Analysis.” Journal of Computing in Civil Engineering, ASCE, 30 (4), 04015055. (ISSN: 0887-3801; 5-Year Impact Factor – 2.127; H Index – 49).

Choudhury, Ifte

  1. Choudhury, I. (2016). A study of construction time for roads and highways. The American Professional Constructor, 41(1), 43-50.
  2. Choudhury, I. (2016). Gross floor area as a predictor of time in Indian construction projects. International Journal for Construction Project Management, 8(20), 93-102.
  3. Choudhury & Sultana, F. (2013). Rainwater harvesting for domestic consumption in Bangladesh. Journal of Biourbanism, 2012(2), 87-98.
  4. Choudhury, I. (2013). Development of a prediction model for construction time of educational projects in Texas. The American Professional Constructor, 37(1), pp. 5-9.

Dixit, Manish

Dr. Manish Dixit joined the Department of Construction Science as an Assistant Professor in 2015. Dr. Dixit’s research interests include life cycle energy and environmental modeling, green building materials, embodied energy modeling, zero-energy buildings, building information modeling (BIM), and facility performance assessment. He is also interested in developing Application Programming Interfaces (APIs) to BIM authoring tools for life cycle energy analysis. His research has been recognized globally through two best paper awards in international conferences and an increasing number of citations of his research papers. Dr. Dixit currently represents the United States as the National Participant in Annex 57 of the International Energy Agency (IEA). Annex 57 is an international research project focusing on the evaluation of embodied energy & carbon dioxide emissions for building construction.

  1. Dixit, M.K. (2016). "Embodied energy and cost of building materials: correlation analysis." Building Research & Information, 1-16.
  2. Dixit, M.K., Culp, C.H., Fernandez-Solis, J.L., & Lavy, S. (2016). "Reducing carbon footprint of facilities using a facilyt management approach." Facilities, 34(3/4), 247-259.
  3. Dixit, M.K., Culp, C.H., & Fernandez-Solis, J.L. (2015). "Embodied Energy of Construction Materials: Integrating Human and Capital Energy into an IO-Based Hybrid Model." Environmental Science & Technology, 49(3), 1936-1945.
  4. Dixit, M.K., Culp, C.H., & Fernandez-Solis, J.L. (2014). "Calculating Primary Energy and Carbon Factors for the United States' Energy Sectors." RSC Advances, 4(97), 54200-54216.

Du, Jing (Eric)

Dr. Du leads the Integrated Computing In Construction (ICIC) Lab at Texas A&M University. ICIC lab aims at understanding the role of human factors in the design, construction and management of built environments. Particularly, we strive to investigate how the decision making processes and behaviors affect quality, sustainability and safety in complex projects. To this end, we use computer simulation (Agent-Based Modeling, Discrete Event Simulation and System Dynamics), statistical and mathematical modeling (scenario analysis, topological data analysis), and visualization techniques (BIM game engine, virtual reality and augmented reality). 

  1. Du, J., and El-Gafy, M. (2016). "A Cloud Based Shareable Library of Cooperative Behaviors in Construction Project Teams for Agent Based Modeling." Automation in Construction, (2016) 62. 89-100.
  2. Du, J., El-Gafy, M., and Zhao, D. (2015). "Optimization of Change Order Administrative Process by Object-Oriented Discrete Event Simulation: A Case Study." ASCE Journal of Construction Engineering and Management. (2015): 05015018.
  3. Du, J., Kim, B., and Zhao, D. (2015). "Cost Performance as a Stochastic Process: EAC project by Markov Chain Simulation." ASCE Journal of Construction Engineering and Management. (2015): 04016009.
  4. Du, J., and Arika Ligmann-Zielinska (2015). " The Volatility of Data Space: Topology Oriented Sensitivity Analysis." PLOS ONE. 10.9 (2015): e0137591. 

Fernandez-Solis, Jose L.

Dr. Fernández-Solís, José L.' teaching, research, and engagement interests are in the areas of sustainability, environment, applied chaos theory, capstone, and advanced project management. He is in the Editorial board of 11 industry research journals chaired 3 PhD and chaired or member in over 100 master students. Awards: Faculty Sponsor of AGC Education and Research Foundation, 2013 James L. Allhands Essay Contest first prize winner Mr. Jason Kyle Bailey: “Using Virtual Construction Tools for Pre-Project Planning,” Contractor, AGC magazine, Fall 2014.

  1. Dixit, M. K., Culp, C. H., & Fernández-Solís, J. L. (2015). Embodied Energy of Construction Materials: Integrating Human and Capital Energy into an IO-Based Hybrid Model. Environmental science & technology, 49(3), 1936-1945.
  2. Fernández-Solís, J. L., Rybkowski, Z. K., Xiao, C., Lü, X., Chae, L. S. (2015) “General contractor project of projects – a meta-project: understanding the new paradigm and its implications through the lens of entropy. Architectural Engineering and Design management 1-30
  3. Xiao, C., & Fernández-Solís, J. L. Are Building Construction Delivery Systems Complicated or Complex? In Construction Research Congress 2016 (pp. 1844-1854).
  4. 4. Lavy, S., Kiss, C. W., Fernández–Solís, J.L., (2015) “Linking Design and Energy Performance in U.S. Military Hospitals”, Architectural Engineering and Design Management, 11(1),41-64

Ham, Youngjib

Dr. Ham’s research focuses on developing advanced sensing and analytics approaches (especially, collecting and analyzing Big Visual Data [e.g., images or videos] from construction and building environments) to find scientific solutions to critical problems in achieving Sustainable and Resilient Construction and Building Environments. Dr. Ham’s research thrust consists of two parts, supported by external funding agencies including National Science Foundation (NSF), as follows:

(1) Resilient Infrastructure Systems: Improving disaster preparedness, response, recovery, and mitigation for construction projects and civil infrastructures.

(2) Smart Cities & Sustainable Communities: Improving our understanding of building energy performance at increasingly large scales; and Infrastructure condition assessment for sustainable decision-makings.

  1. Ham, Y., Lee, S., and Gan Chowdhury, A. (2017), "Imaging-to-Simulation Framework for Improving Disaster Preparedness of Construction Projects and Neighboring Communities" ASCE Computing in Civil Engineering,
  2. Ham, Y., Han, K., Lin, J., and Golparvar-Fard, M. (2016). "Visual Monitoring of Civil Infrastructure Systems via Camera-Equipped Unmanned Aerial Vehicles (UAVs): A Review of Related Works." Visualization in Engineering, Springer, 4(1), 1-8.
  3. Ham, Y., and Golparvar-Fard, M. (2015). "Mapping Actual Thermal Properties to Building Elements in gbXML-based BIM for Reliable Building Energy Performance Modeling." Automation in Construction, Elsevier, 49, 214-224. 
  4. Ham, Y., and Golparvar-Fard, M. (2013). "EPAR: Energy Performance Augmented Reality Models for Identification of Building Energy Performance Deviations between Actual Measurements and Simulation Results." Energy and Buildings, Elsevier, 63, 15-28.

Haque, Mohammed E.

  1. Haque, M. E. & Shah, G. (2007, June 24-28). 4D Construction Visualization: Techniques with Examples. Proceedings of American Society for Engineering Education (ASEE) Annual Conference, Construction Engineering Division, Honolulu, HI.
  2. Haque, M. E. & Shah, G. (2007, June 24-28). 4D Construction Visualization: Techniques with Examples. Proceedings of American Society for Engineering Education (ASEE) Annual Conference, Construction Engineering Division, Honolulu, HI.
  3. Haque, M.E., (2006). "Virtual Reality and Learner-Centered Pedagogy: Technology's New Role for the Architectural engineering Students," accepted for presentation and conference proceedings publication in the first international Conference of the Center for the Study of Architecture in the Arab Region (CSAAR 2006) - Changing Trends in Architectural Design Education, November 14-16, 2006, Rebat, Morocco.

Kang, Julian H.

Dr. Kang's is interested in investigating how emerging technologies, including Building Information Modeling (BIM), 4D Construction Simulation, Virtual Reality (VR), Augmented Reality (AR), Radio Frequency Identification (RFID), and Unmanned Aerial System (UAS), would enhance our decision-making processes in the course of designing, constructing, operating, and maintaining industrial plants, commercial buildings, and healthcare facilities. He has been working on various funded research projects with his graduate students, and BIM CAVE, which stands for Computer Aided Virtual Environment for BIM, is one of outcomes from his research projects.

  1. Faghihi, V.; Reinschmidt, K.; and Kang, J. (2014). “Construction Scheduling using Genetic Algorithm based on Building Information Model”, Expert Systems with Applications, 41(16), 7565–7578.
  2. Kang, J. (2012). “BIM/CAVE: Immersive BIM Reviewing System”, Journal of Building Information Modeling, National Institute of Building Sciences (NIBS), Spring 2012, pp. 23-24.
  3. Kang, J. and Gandhi, J. (2010). “Readability Test of RFID Temperature Sensor Embedded in Fresh Concrete.” Journal of Civil Engineering and Management, 16(3), 412-417.
  4. Kang, J., Anderson, S., and Clayton, M. (2007). “Empirical Study on the Merit of Web-based 4D Visualization in Collaborative Construction Planning and Scheduling.” Journal of Construction Engineering and Management, ASCE, 133 (6), 447-461.

Lavy, Sarel

Dr. Lavy's main research interests are in the area of facility management, mainly in the healthcare and education sectors, and particularly on topics of maintenance and operation management, life cycle cost techniques, performance indicators, condition assessments, green and sustainable practices, and the growing demand for technology in facility management applications. Nevertheless, Dr. Lavy has also conducted research and published papers on other topics, such as construction safety and design terror mitigation. Dr. Lavy teaches facility management classes at the graduate and undergraduate levels at Texas A&M University.

  1. Lavy, S., and Dixit, M. K. (2014), “Industry-specific needs”, in International Facility Management, Editors: Roper, K. O., and Borello, L., Blackwell-Wiley Publications, 141-166, ISBN: 978-0-470-67400-0.
  2. Shohet, I. M., and Lavy, S., (2017) “Facility maintenance and management: A health care case study”, International Journal of Strategic Property Management, 21(2), 170-182.
  3. Lavy, S., and Nixon, J. L. (2017), “Applications, enrollment, attendance, and student performance in rebuilt school facilities: A case study”, ASC International Journal of Construction Education and Research, 13(2), 125-141.
  4. Lavy, S., and Saxena, N. (2015), “Quantifying the effect of using BIM and COBie for facility management on work order processing times: A case study”, International Journal of Facility Management, 6(1), Retrieved November 2, 2015, from:

Nichols, John M.

Dr. Nichols has research interests in Reverse Auction Bidding, which is a study of how people interact in a competitive market place; in deaths in earthquakes and the loss rates with distance from the epicentre of each event, in flexural strength of masonry using the bond wrench tests, and hospital acquired fungal infections, specifically the movement of the fungi from the outside to the inside of the hospital. Dr. Nichols has been the chair of approximately 100 masters students in the last decade.  He is intereseted in the study of vibration during construction and the impact on existing buildings.

  1. Nichols, J. M. (1999). The assessment and repairs of certain structures after the Newcastle earthquake. Masonry International, 13(1), 11 - 22.
  2. Abell, A. B., & Nichols, J. M. (2003). Investigation of the Rheology and Microstructure of Hydrated Lime and Sand for Mortars. Paper presented at the Masonry: Opportunities for the 21st Century ASTM STP 1432, West Conshohocken, PA.
  3. Nichols, J. M., & Beavers, J. E. (2008). World Earthquake Fatalities from the Past  -- Implications for the Present and Future. Natural Hazards Review, 9(4), 179-189.
  4. Nichols, J. M. (2013). A Modal Study of the Pont-Y-Prydd Bridge using the Variance Method. Masonry International, 26(2), 23-33.

Rybkowski, Zofia

Dr. Rybkowski specializes in the development of simulations and serious games to research the impact of specified interventions during the delivery of capital projects. Her expertise includes Integrated Project Delivery, Lean Construction, Target Value Design, Evidence-Based Design for healthcare facilities, Life Cycle Cost Analysis, environmental sustainability of capital projects, and researching ways to enhance flow at points of intersection between architecture, engineering and construction management.

  1. Rybkowski, Z. K., Shepley, M. M., and Ballard, H. G. (2012). "Target Value Design: Applications to newborn intensive care units," Health Environments Research and Design Journal (HERD), 5(4), 5-22.
  2. Rybkowski, Z. K., Zhou, X., Lavy, S. and Fernández-Solís, J. (2012). Investigation into the nature of productivity gains observed during the Airplane Game lean simulation,” Lean Construction Journal, 78-90.
  3. Rybkowski, Z. K., Abdelhamid, T., and Forbes, L. (2013). “On the back of a cocktail napkin: An exploration of graphic definitions of lean construction,"Proceedings of the 21th annual conference for the International Group for Lean Construction; July 31-August 2, 2013: Fortaleza, Brazil, 83-92:
  4. Kulkarni, A., Rybkowski, Z. K., and Smith, J. (2012). “Cost comparison of collaborative and IPD-like project delivery methods versus non-collaborative project delivery methods," Proceedings of the 20th annual conference for the International Group for Lean Construction; July 17-22, 2012: San Diego, CA, U.S.A., 781-790, 781-790:

Ryoo, Boong

Dr. Ryoo specializes in construction information technology such as machine learning, knowledge management, wearable computers, visualization of management processes, adaptable information framework, network and distributed computing, and sensor technology implementation. He has been a recipient of various government and industry funds in the field of information technology in construction where he has extensive experiences in developing e-commerce tools for both industrial and government projects. Dr. Ryoo’s recent research includes the development of RFID-based health systems, an artificial intelligence system to understand the behavior of information transaction, and development of adaptable information frameworks to provide accommodations based on various project delivery strategies.

  1. “Environmental, Economic, and Social Implications of Highway Concrete Rehabilitation Alternatives,” Kunhee Choi, Hyun Woo Lee, Zhuting Mao, Sarel Lavy, and Boong Yeol Ryoo, Journal of Construction and Engineering Management, February 2016, vol. 142, no. 2 (DOI: 10.1061/(ASCE)CO.1943-7862.0001063, 04015079..
  2. “Cluster-Driven Life-Cycle Cost Prediction Model: Quantification of Future Highway Maintenance Cost,” Choi, K., Kim, Y.H., Lavy, S., Lee, H., Ryoo, B. Y., and Oh, J., Journal of Construction Engineering and Management (Special Issue on Sustainability), ASCE, under review.
  3. “Major Accident Factors by Six Work Types for Effective Safety Management of Highway Construction Projects”, Young Ai Kim, Boong Yeol Ryoo, Yong-Su Kim, and Woon Chan Huh, Journal of Construction Engineering and Management, vol. 139, no. 6, 10.1061/(ASCE)CO.1943-7862.0000640, 628-640, June 2013.

Williamson III, Kenneth C.

As an education psychologist-technologist with sixteen years of construction industry ownership my research is inseparable from teaching and extension. My research areas of interest include: (1) the cognitive nature of learners, (2) the investigation, development and testing of innovative instructional strategies, (3) computer servers and web-site programming, (4) surveying and wayfinding, (5) undergraduate and graduate data mining, and (6) visualization of concepts that are unobservable in the natural environment.

  1. Williamson III, K. C., Williamson, V. M., & Hinze, S. R. (2017). Administering spatial and cognitive instruments in-class and on-line: Are these equivalent? Journal of Science Education and Technology. 26(1), 12-23. DOI: 10.1007/s10956-016-9645-1
  2. Williamson III, K. C. (2017, April). A comparison between mini-mester and full semester achievement in a construction surveying course. In T. Sulbaran  & C. Sterling (Eds.), Proceedings of the Associated Schools of Construction's 53rd Annual International Conference, Seattle, Washington, 5-7 April, (pp.217-227). Seattle, WA: The University of Washington.
  3. Williamson III, K. C., Williamson, V. M., & Hinze, S. R. (2017). Administering spatial and cognitive instruments in-class and on-line: Are these equivalent? Journal of Science Education and Technology. 26(1), 12-23. DOI: 10.1007/s10956-016-9645-1
  4. Williamson III, K. C. & Burt, R. R. (2007). The ranking of c-schools using the criteria of ASC publication. International Journal of Construction Education and Research, 3(1), 3-16.