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Citations: 1638

h-index: 23

i10-index: 42 (as of 06/14/2002020)

  1. Okpala, I.*, Nnaji, C., Omobolanle, O., and Akanmu, A. (2021). “Assessing the Role of Wearable Robotics in Construction Industry: Potential Safety Benefits, Opportunities and Implementation Barriers.” In: Jebelli, H., et al. Automation and Robotics in the Architecture, Engineering, and Construction Industry. Springer, Cham. DOI
  2. Karakhan, A., Xu, Y., Nnaji, C., Alsaffar, O. (2019). "Technology Alternatives for Workplace Safety Risk Mitigation in Construction: Exploratory Study." In: Mutis, I., Hartmann, T. (eds) Advances in Informatics and Computing in Civil and Construction Engineering. Springer, Cham. DOI

  1. Abdallah, A.*, Ibrahim, A.*, Russel-Vernon, C.*, Nnaji, C. et al. (2024). "Advancing Safety in Short-term Utility Work Zones: Assessing the Role of Work Zone Intrusion Alert Technology." Transportation Research Interdisciplinary Perspectives.
  2. Karakhan, A., Asfer, O., and Nnaji, C. (2024). "Strategies for Employee Empowerment in Construction." ASCE Practice Periodical on Structural Design and Construction ASCE.
  3. Namian, M., Nabil, F., Al-Mhdawi, M., Kermanshachi, S., and Nnaji, C. (2024). "Post-Pandemic Era: Investigating the Impact of COVID-19 on Construction Workers’ Situational Awareness." Journal of Construction Engineering and Management (IF – 5.21; h-Index – 121).
  4. Ibrahim, A.*, Okpala, I*., Nnaji C., and Akanmu, A. (2024). "Effects of using an active hand exoskeleton for drilling tasks: A pilot study." Journal of Safety Research (IF – 4.26; h-Index - 91).
  5. Alotaibi, A., Gambatese, J., and Nnaji, C. (2024). "Developing A Novel Energy-based Approach for Measuring Mental Workload." Heliyon (IF – 4; h-Index – 41).
  6. Jin, Z., Gambatese, J., and Nnaji, C. (2024). "Musculoskeletal Disorder Risk Assessment in Modern Ready-Made Concrete Formwork Construction." Journal of Construction Engineering and Management (IF – 5.21; h-Index – 121).
  7. Shakouri, M., Nnaji, C., Banihashemi, S., and Nguyen, K. (2024). "Analyzing the Influence of Risk Models and Investor Risk-Aversion Disparity on Community Solar Portfolio Selection." Risks 12 (5), 75.
  8. Ibrahim, A.*, Nnaji, C., Namian, M., and Shakouri, M. (2023). "Evaluating the impact of hazard information on fieldworkers’ safety risk perception." Journal of Construction Engineering and Management (IF – 5.21; h-Index – 121).
  9. Ibrahim, A.*, Nnaji, C., and Wang, X. (2023). "Framework for Quantifying the Impact of Exoskeleton on Musculoskeletal Disorder Risk Reduction." Journal of Engineering, Project & Production Management 14 (2).
  10. Okonkwo, C., Okpala, I*., Awolusi, I., and Nnaji C. (2023). "Overcoming barriers to smart safety management system implementation in the construction industry." Results in Engineering (IF – 4.06; h-Index - 15).
  11. Okpala, I*. and Nnaji C. (2023). "Insidious Safety Risks of Wearable Robots to Worker Safety and Health: A Scoping Review." Journal of Safety Research (IF – 4.26; h-Index - 91).
  12. Okoro, C., Nnaji, C., Chileshe, N., Tembo, J. (2023). "Perceptions of Public-Private Partnerships Transportation Project Success Factors in Developing Countries: An Explanatory Sequential Investigation." Journal of Construction in Developing Countries (IF – 1; h-Index - 26).
  13. Ibukun, A., Nnaji, C., Okpala, I.*, and Albert, A. (2023). "Adaptation Behavior of Construction Workers Using Wearable Sensing Devices for Safety and Health Monitoring." Journal of Management in Engineering (IF – 6.42; h-Index – 87).
  14. Khan, M.*, Nnaji, C., Khan, M. S., Ibrahim, A.*, Lee, D., and Park, C. (2023). "Risk factors and emerging technologies for preventing falls from heights at construction sites." Automation in Construction, 153, 104955. (IF - 10.52; h-Index – 157).
  15. Ibrahim, A.*, Khan, M.*, Nnaji, C., and Koh, A. S. (2023). "Assessing Non-Intrusive Wearable Devices for Tracking Core Body Temperature in Hot Working Conditions." Applied Sciences, 13(11), 6803. (IF - 2.7; h-Index – 22).
  16. Ibrahim, A.*, Nnaji, C., Koh, A., and Namian, M. (2023). "Investigating the Impact of Physical Fatigue on Construction Workers’ Situational Awareness." Safety Science. (IF – 6.5; h-Index – 125).
  17. Nnaji, C., Okpala, I.*, Awolusi, I., and Gambatese, J. (2023). "A systematic review of technology acceptance models and theories in construction research." Journal of Information Technology in Construction. (IF - 4.53; h-Index - 49).
  18. Ogunseiju, O., Gonsalves, N., Akanmu, A., Abraham, Y., and Nnaji, C. (2022). "Automated Detection of Learning Stages and Interaction Difficulty from Eye-Tracking Data within Mixed Reality Learning Environment." Smart and Sustainable Built Environment. (IF - 3.47; h-Index - 20).
  19. Al-Bayati, A., Ali, M., and Nnaji, C. (2022). "Managing Work Zone Safety during Road Maintenance and Construction Activities: Challenges and Opportunities." Practice Periodical on Structural Design and Construction ASCE. (IF – 1.59; h-Index - 29).
  20. Karakhan, A., Nnaji, C., Gambatese, J., and Simmons, D. (2022). "Best Practice Strategies for Workforce Development and Sustainability in Construction." Practice Periodical on Structural Design and Construction ASCE. (IF – 1.59; h-Index - 29).
  21. Okpala, I.*, Nnaji, C., and Gambatese, J. (2022). "Assessment Tool for Human-Robot Interaction Safety Risks during Construction Operations." Journal of Construction Engineering and Management. (IF – 5.21; h-Index – 121).
  22. Nnaji, C., Okpala, I.*, Gambatese, J., and Jin, Z. (2022). "Controlling Safety and Health Challenges Intrinsic in Exoskeleton Use in Construction." Safety Science. (IF – 6.5; h-Index – 125).
  23. Jin, Z., Gambatese, J., Karakhan, A., and Nnaji, C. (2022). "Analysis of Prevention through Design Studies in Construction: A Subject Review." Journal of Safety Research. (IF – 4.26; h-Index - 91).
  24. Osei-Kyei, R., Jin, X., Nnaji, C., Wuni, I., and Akomea-Frimpong, I. (2022). "Review of Risk Management Studies in Public-Private Partnerships: A Scientometric analysis." International Journal of Construction Management. (IF – 3.83; h-Index – 31).
  25. Okoro, C., Nnaji, C., and Adediran, A. (2022). "Determinants of Immersive Technology Acceptance in the Construction Industry: Management Perspective." Engineering, Construction, and Architectural Management Journal. (IF – 4.08; h-Index – 63).
  26. Afolabi, A.O., Nnaji, C., and Okoro, C. (2022). "Immersive Technology Implementation in the Construction Industry: Modeling Paths of Risk." Buildings. (IF – 3.6; h-Index – 35).
  27. Nnaji, C., Jin, Z., and Karakhan A. (2022). "Safety and Health Management Response to COVID-19 in the Construction Industry: A Perspective of Fieldworkers." Journal of Process Safety and Environmental Protection. (IF – 7.51; h-Index – 87).
  28. Ibrahim, A.*, Nnaji, C., and Shakouri, M. (2021). "Influence of Sociodemographic Factors on Construction Fieldworkers’ Safety Risk Assessments." Sustainability. (IF – 4.17; h-Index – 109).
  29. Omobolanle, O., Gonsalves, N., Akanmu, A., and Nnaji, C. (2021). "Assessment of a Passive Wearable Robot for Reducing Low Back Disorders during Rebar Work." Journal of Information Technology in Construction. (IF – 4.53; h-Index – 49).
  30. Okpala, I.*, Nnaji, C., Awolusi, I., and Akanmu, A. (2021). "Success Model for Implementing Wearable Sensing Devices in The Construction Industry." Journal of Construction Engineering and Management. (IF – 5.21; h-Index – 121).
  31. Nnaji, C. and Awolusi, I. (2021). "Critical Success Factors Influencing WSD Implementation in AEC Industry." Technological and Society. (IF – 7.82; h-Index – 58).
  32. Omobolanle, O., Gonsalves, N., Akanmu, A., and Nnaji, C. (2021). "Digital Twin Driven Framework for Improving Self-management of Ergonomic Risks." Journal of Smart and Sustainable Built Environment. (IF - 3.47; h-Index - 20).
  33. Akanmu, A., Ogunseiju, O., Olayiwola, J., and Nnaji, C. (2021). "Recognition of Worker Actions from Time-Series Signal Images using Deep Convolutional Neural Network." Journal of Smart and Sustainable Built Environment. (IF - 3.47; h-Index - 20).
  34. Okpala, I.*, Nnaji, C., and Awolusi, I. (2021). "Wearable Sensing Devices Acceptance Behavior in Construction Safety and Health: Assessing Existing Models and Developing a Hybrid Conceptual Model." Construction Innovation. (IF - 5.22; h-Index - 42).
  35. Nnaji, C., Awolusi, I., Park, J., and Albert, A. (2021). "Wearable Sensing Devices: Towards the Development of a Personalized System for Construction Safety and Health Risk Mitigation." Sensors. (IF - 4.35; h-Index - 196).
  36. Uddin, J., Albert, A., Alsharef, A., Pandit, B., Patil, Y., and Nnaji, C. (2020). "Hazard Recognition Patterns Demonstrated by Construction Workers." International Journal of Environmental Research and Public Health. (IF - 4.54; h-Index - 138).
  37. Ogunrinde, O.*, Nnaji, C., and Amirkhanian, A. (2020). "Development of an Automation Adoption Readiness Index for Quality Management: A Focus on Highway Construction." Journal of Infrastructue Systems, ASCE. (IF - 3.71; h-Index - 72).
  38. Ogunrinde, O.*, Nnaji, C., and Amirkhanian, A. (2020). "Quality Management Technologies in Highway Construction: Stakeholders’ Perception of Utility, Benefits, and Barriers." Practice Periodical on Structural Design and Construction ASCE. (IF – 1.59; h-Index - 29).
  39. Alomari, K., Gambatese, J., Nnaji, C., and Tymvios, N. (2020). "Impact of Risk Factors on Construction Worker Safety: A Delphi Rating." Arabian Journal for Science and Engineering. (IF – 3.08; h-Index - 50).
  40. Ogunrinde, O.*, Amirkhanian, A., Corley, M., and Nnaji, C. (2020). "Effect of Nighttime Construction on Quality of Asphalt Paving." Journal of Construction Engineering and Management, ASCE. (IF – 5.21; h-Index – 121).
  41. Nnaji, C., Karakhan, A., Lee, H., and Gambatese, J. (2020). "A Case Study to Evaluate Work Zone Safety Technologies in Highway Construction." Practice Periodical on Structural Design and Construction ASCE. (IF – 1.59; h-Index - 29).
  42. Nnaji, C. and Karakhan, A. (2020). "Technologies for safety and health management in construction: Current use, implementation benefits and limitations, and adoption barriers." Journal of Building Engineering. (IF – 7.09; h-Index - 54).
  43. Nnaji, C., Jafarnejad, A., and Gambatese, J. (2020). "Effects of Wearable Light Systems on Safety of Highway Construction Workers." Practice Periodical on Structural Design and Construction ASCE. (IF – 1.59; h-Index - 29).
  44. Nnaji, C., Gambatese, J., Karakhan, A., and Osei-Kyei, R. (2020). "Development and Application of Safety Technology Decision-making Adoption Tool." Journal of Construction Engineering and Management, ASCE. (IF – 5.21; h-Index – 121).
  45. Okpala, I.*, Nnaji, C., and Karakhan, A. (2020). "Utilizing Emerging Technologies for Construction Safety Risk Mitigation." Practice Periodical on Structural Design and Construction ASCE. (IF – 1.59; h-Index - 29).
  46. Nnaji, C., Gambatese, J., Lee, H.W., and Zhang, F. (2019). "Improving Construction Work Zone Safety Using Technology: A Systematic Review of Applicable Technologies." Journal of Traffic and Transportation Engineering. (IF – 6.31; h-Index - 31).
  47. Nnaji, C., Karakhan, A., Gambatese, J., and Eseonu, C. (2019). "Influential Predictors of Safety Technology Adoption." Engineering, Construction, and Architectural Management Journal. (IF – 4.08; h-Index – 63).
  48. Nnaji, C., Lee, H., Karakhan, A., and Gambatese, J. (2018). "Development of Decision-Making Framework to Select Safety Technologies for Highway Construction." Journal of Construction Engineering and Management, ASCE. (IF – 5.21; h-Index – 121).
  49. Karakhan, A., Rajendran, S., Gambatese, J., and Nnaji, C. (2018). "Measuring and Evaluating Safety Maturity of Construction Contractors: Application of Choosing by Advantages Decision-Making Method." Journal of Construction Engineering and Management, ASCE. (IF – 5.21; h-Index – 121).
  50. Lee, H., Harapanahalli, B., Nnaji, C., Kim, J., and Gambatese, J. (2018). "Feasibility of using QR Codes in Highway Construction Document Management." Transportation Research Record. (IF – 2.06; h-Index – 131).

  1. Nnaji, C., Albeaino, G., & Okpala, I*. (2024). "Development and Evaluation of an E-Tool for Human-Robot Interaction Safety Risk Assessment." Proceedings of 60th Annual Associated Schools, 5, 885-893.
  2. Khan, M.*, Gbiengu, P.*, Nnaji, C., Zhang, Z., & Namian, M. (2024). "Modular Construction Safety Risk Mitigation." Proceedings of 60th Annual Associated Schools, 5, 193-201.
  3. Lee, W. H., Gambatese, J., Hallowell, M. R., & Nnaji, C. (2024). "Impacts of Last-Minute Changes on Construction Safety." In Construction Research Congress 2024 (pp. 497-507).
  4. Nnaji, C., Okpala, I., & Awolusi, A. (2023). "Wearable Robot Acceptance: Understanding the Impact of Trialability on User Perception." Associated School of Construction, Proceedings of 59th Annual Associated Schools 4, 793-801.
  5. Nnaji, C. & Awolusi, A. (2023). "Theoretical Models for Evaluating and Predicting the Diffusion of Safety Technologies in Construction." Associated School of Construction, Proceedings of 59th Annual Associated Schools 4, 807-815.
  6. Khan, M., Ibrahim, A., Nnaji, C., & Aryal, A. (2023). "Developing Prediction Models for Monitoring Workers’ Fatigue in Hot Conditions." In Computing in Civil Engineering 2023 (pp. 623-630).
  7. Nnaji, C., Ibrahim, A., & Okpala, I. (2023). "Semi-Active Exoskeletons for Forearm Muscle Strain Reduction." In Computing in Civil Engineering 2023 (pp. 556-563).
  8. Khan, M., & Nnaji, C. (2024). "Real-Time Monitoring System Framework for Fall from Roof Accident Prevention." In Computing in Civil Engineering 2023 (pp. 549-555).
  9. Okonkwo, C., Awolusi, I., & Nnaji, C. (2022). "Privacy and Security in the Use of Wearable Internet of Things for Construction Safety and Health Monitoring." CIB 2022.
  10. O’Leary, J., Awolusi, I., Alzarrad, A., & Nnaji, C. (2022). "Eco-efficient Construction: The Utilization of Nanotechnology and 3D Printing in the Sustainable Building Practices of the AEC Industry." EPiC Series in Built Environment, 3, 461-469.
  11. Ibrahim, A.*, Okpala, I.*, Nnaji, C., Namian, M., & Koh, A. (2022). "The Impact of Fatigue on Hazard Recognition: An Objective Pilot Study." ICCEPM.
  12. Khan, M.*, McCrary, M.*, Nnaji, C., & Awolusi, I. (2022). "Worker Safety in Modular Construction: Investigating Accident Trends, Safety Risk Factors, and Potential Role of Smart Technologies." ICCEPM.
  13. Awolusi, I., Sulbaran, T., Song, S., Nnaji, C., & Ostadalimakhmalbaf, M. (2022). "Safety Education in the Curriculum of Construction Programs." ICCEPM.
  14. Sanni, T.*, Nnaji, C., Awolusi, I., & Al-Bayati, A. (2022). "Safety Innovation Adoption in Construction: Role of Safety Compliance and Safety Attitude." ICCEPM.
  15. Namian, M., Al-Bayati, A., & Nnaji, C. (2022). "Role of Safety Training in Reducing Fatigue Among Construction Workers." In Construction Research Congress 2022: Health, Safety and Workforce Issues. Reston, VA: American Society of Civil Engineers.
  16. Awolusi, I., Martinez-Molina, A., Nnaji, C., Alamaniotis, M., & Sulbaran. (2022). "Utility of Wearable Sensing Devices for Environmental Monitoring on Construction Sites." ICCEPM.
  17. Ibrahim, A.*, Nnaji, C., Shakouri, M., & Namian, M. (2022). "Impact of Hazard State on Construction Workers Safety Risk Assessment." ICCEPM.
  18. Ibrahim, A.*, Nnaji, C., & Jin, Z. (2022). "Biomechanical Analysis in Construction Engineering and Management Research: A Review." ICCEPM.
  19. Okpala, I.*, Nnaji, C., & Gambatese, J. (2022). "Investigating Hazards and Safety Risks Inherent in Human-Robot Interactions." In Construction Research Congress 2022: Health, Safety and Workforce Issues. Reston, VA: American Society of Civil Engineers.
  20. Okpala, I.*, Sanni, T.*, & Nnaji, C. (2022). "Noise Management in Construction: Identifying Strategies and Controls for Improvement." In Construction Research Congress 2022: Health, Safety and Workforce Issues. Reston, VA: American Society of Civil Engineers.
  21. Jalalpour, M.*, & Nnaji, C. (2021). "Investigating the Impact of Trombe Wall on Building Energy Saving and Thermal Comfort - A Case Study." CSCE 2021 Annual Conference.
  22. Omobolanle, O., Gonslaves, N., Akanmu, A., & Nnaji, C. (2021). "Subjective Evaluation of Passive Back-Support Exoskeleton for Flooring Work." Associated School of Construction.
  23. Gonslaves, N., Omobolanle, O., Akanmu, A., & Nnaji, C. (2021). "Influence of a Back-Support Exoskeleton on Physical Demands of Rebar Work." Associated School of Construction.
  24. Ogunseiju, O., Olayiwola, J., Akanmu, A., & Nnaji, C. (2020). "Digital Twin Driven Musculoskeletal Injury Prevention System." CONVR 2020.
  25. Moynihan, G., Lyu, Q.*, & Nnaji, C. (2020). "Developing a Decision Support Tool for Quantification and Reduction of Construction Material Waste." IEMS.
  26. Nnaji, C., Okpala, I.*, and Gambatese, J. (2022). "Investigating Hazards and Safety Risks inherent in Human-Robot Interactions." In Construction Research Congress 2022: Health, Safety and Workforce Issues. Reston, VA: American Society of Civil Engineers.
  27. Nnaji, C., Okpala, I.*, Sanni, T.*, (2022). "Noise Management in Construction: Identifying Strategies and Controls for Improvement." In Construction Research Congress 2022: Health, Safety and Workforce Issues. Reston, VA: American Society of Civil Engineers.
  28. Nnaji, C., Jalalpour, M.*, (2021). "Investigating the Impact of Trombe Wall on Building Energy Saving and Thermal Comfort - A Case Study." CSCE 2021 Annual Conference.
  29. Nnaji, C., Omobolanle, O., Gonslaves, N., Akanmu, A., (2021). "Subjective Evaluation of Passive Back-Support Exoskeleton for Flooring Work." Associated School of Construction.
  30. Nnaji, C., Gonslaves, N., Omobolanle, O., Akanmu, A., (2021). "Influence of a Back-Support Exoskeleton on Physical Demands of Rebar Work." Associated School of Construction.
  31. Nnaji, C., Ogunseiju, O., Olayiwola, J., Akanmu, A., (2020). "Digital Twin Driven Musculoskeletal Injury Prevention System." CONVR 2020.
  32. Nnaji, C., Moynihan, G., Lyu, Q.*, (2020). "Developing a Decision Support Tool for Quantification and Reduction of Construction Material Waste." IEMS.
  33. Nnaji, C., Karakhan, A., Gambatese, J., Simmons, D., (2020). "Workforce Development and Sustainability in Construction." In Construction Research Congress 2020: Computer Applications and Simulation, Advanced Technologies, and Data Analytics.
  34. Nnaji, C., Shakouri, M., Karakhan, A., (2020). "Alternative Risk Models for Optimal Investment in Portfolio-based Community Solar." In Construction Research Congress 2020: Computer Applications and Simulation, Advanced Technologies, and Data Analytics.
  35. Nnaji, C., Ogunrinde, O.*, Amirkhanian, A., (2020). "Application of Emerging Technologies for Highway Construction Quality Management: A Review." In Construction Research Congress 2020: Computer Applications and Simulation, Advanced Technologies, and Data Analytics.
  36. Nnaji, C., Okpala, I.*, Parajuli, A.*, Awolusi, I., (2020). "Assessing the Feasibility of Integrating Internet of Things into Safety Management Systems: A Focus on Wearable Sensing Devices." In Construction Research Congress 2020: Computer Applications and Simulation, Advanced Technologies, and Data Analytics.
  37. Nnaji, C., Awolusi, I., Okpala, I.*, (2020). "Success Factors for the Implementation of Wearable Sensing Devices for Safety and Health Monitoring in Construction." In Construction Research Congress 2020: Computer Applications and Simulation, Advanced Technologies, and Data Analytics.
  38. Nnaji, C., Okpala, I.*, Kim, S., (2019). "A Simulation Framework for Technology Adoption Decision Making in Construction Management: A Composite Model." 2019 ASCE International Workshop on Computing in Civil Engineering.
  39. Nnaji, C., Okpala, I.*, Awolusi, I., (2019). "Emerging Construction Technologies: State of Standard and Regulation Implementation." 2019 ASCE International Workshop on Computing in Civil Engineering.
  40. Nnaji, C., Awolusi, I., Marks, E., (2019). "Enhancing Construction Safety Monitoring Through the Application of Internet of Things and Wearable Sensing Devices: A Review." 2019 ASCE International Workshop on Computing in Civil Engineering.
  41. Nnaji, C., Gambatese, J., Karakhan, A., (2018). "Predictors of Construction Safety Technology Adoption." CIB W099 International Conference, Salvador, Brazil, August 1-3, 2018.
  42. Nnaji, C., Gambatese, J., Eseonu, C., (2018). "Theoretical Framework for Improving Adoption of Safety Technology in Construction Industry." 2018 Construction Research Congress (CRC 2018), New Orleans, LA, USA, April 2-4, 2018.
  43. Nnaji, C., Jafarnejad, A., Gambatese, J., (2018). "Illumination and Visibility of Workers in Nighttime Highway Work Zones." 2018 Construction Research Congress (CRC 2018), New Orleans, LA.
  44. Nnaji, C., Okoro, C., (2017). "Leveraging Public-Private Partnership as an Effective Tool for Infrastructural Development in Emerging Economies: An Integrative Review." International Conference on Infrastructure Development and Investment Strategies for Africa, Livingstone, Zambia, August 2017.
  45. Nnaji, C., Gambatese, J., Awolusi, I., Oyeyipo. O., (2017). "Construction Safety Innovation Adoption in Nigeria: A Mixed Method Approach." CIB W099 International Conference, Cape Town, South Africa, June 11-13, 2017.
  46. Nnaji, C., Gambatese, J., Christianson, C., (2017). "Contracting for Prevention through Design (PtD): A Case Study." CIB W099 International Conference, Cape Town, South Africa, June 11-13, 2017.
  47. Nnaji, C., Gambatese, J., (2016). "Worker Distraction Impacts on Safety and Work Quality: An Energy Component." Construction Research Congress, ASCE, San Juan, Puerto Rico, May 31–June 2, 2016.

  1. Nnaji, C., and Okpala, I.* (2022). "Effect of Exoskeleton and Temperature Level on Construction Worker Fatigue." NIOSH Deep South Research Center, CDC.
  2. Gambatese, J., Louis, J., and Nnaji, C. (2022). "Alternative Technologies for Mitigating the Risk of Injuries and Deaths in Work Zones: Conduct of Research." NCHRP.
  3. Gambatese, J., Louis, J., and Nnaji, C. (2022). "Guide to Alternative Technologies for Preventing and Mitigating Vehicle Intrusions into Highway Work Zones." NCHRP.
  4. Nnaji, C., and Gambatese, J. (2021). "Approaches to Reducing Intrusion into Electric Utility Work Zones." EPRI.
  5. Nnaji, C., Gambatese, J., and Okpala, I.* (2021). "Protocol for Assessing Human-Robot Interaction Safety Risks." CPWR.
  6. Eseonu, C., Gambatese, J., and Nnaji, C. (2018). "Reducing Highway Construction Injuries through Improved Adoption of Safety Technology." CPWR.
  7. Gambatese, J., Lee, H., and Nnaji C. (2017). "Work zone intrusion alert technologies: Assessment and practical guidance." ODOT Research Unit, Oregon Department of Transportation.
  8. Gambatese, J., and Nnaji C. (2015). "NIOSH Prevention through Design (PtD) Research Study: Construction SliDeRulE Case Studies." National Institute for Occupational Safety and Health (NIOSH), Education and Information Division.

  1. National Safety Council (2022). "Construction safety report looks at hazard prevention for human-robot interactions."
  2. Okpala, I.* and Nnaji, C. (2022). "The covid-19 pandemic: construction safety risk mitigation utilizing emerging technologies."
  3. Karakhan, A., and Nnaji, C.. "Sustainable Construction." Professional Safety, ASSP.
  4. Karakhan, A., Nnaji, C., and Jin, Z. (2021). "How Technology Can Improve Occupational Health and Safety Management in Construction." Professional Safety, ASSP.
  5. Nnaji, C., Okpala, I.*, and Awolusi, I. (2020). "Wearable Sensing Devices and Accident Prevention: Potential Impact and Current Use." Professional Safety, ASSP.
  6. Nnaji, C., Lee, H., and Gambatese, J. (2018). "Work zone intrusion: Technology to reduce injuries and fatalities." Professional Safety, ASSP.