Publications

Dissertation/Thesis

Ph.D., Construction Science, Texas A&M University, Texas - (Expected May 2026)

Title: Fall Accidents in Construction: Investigating the Role of Exoskeleton Use, Time Pressure, and Contextual Factors on Gait and Stability  

Advisor: Dr. Chukwuma Nnaji.

M.S., Civil Engineering, Dong-A University, South Korea - (2017 - 2019) 

Title: Monitoring and Analysis of Particulate Matter Emission from Construction Activities Using Low-Cost Dust Sensors 

Advisor: Dr. Jae-ho Choi.

B.S., Civil Engineering, University of Engineering and Technology (UET), Peshawar, Pakistan - (2014 - 2016) 

Title: Strength Analysis of Fly Ash-Based Concrete Beams: Experimental Evaluation and Finite Element Simulation in Abaqus  

Advisor: Dr. Fasil Rehman

Peer-reviewed Journal Articles

Here is the link to Google Scholar: https://scholar.google.com/citations?user=mn9GGigAAAAJ&hl=en

J 17. Gbiengu, P., Khan, M., Nnaji, C., Vikas, V., & Martelli, D. Enhancing Situational Awareness through Fatigue Mitigation: Field-Based Evidence on Exoskeleton Use in Construction. ASCE Multidisciplinary Journal of Civil Engineering

J-16. Khan, M., Gbiengu, P., Nadeem, M. T., Lawani, K., & Nnaji, C. Advancing Exoskeleton Research in Construction: A Systematic Review. Automation in Construction (Production - In Press). (Impact Factor: 11.5)

J-15.  Anjum, S., Khan, M., Nnaji, C., Aryal, A., & Koh, A. S. Generalizing Fatigue Prediction Models for Construction Workers: Cross-Experiment Evaluation with Transfer Learning Across Thermal and Load Conditions. Automation in Construction. https://doi.org/10.1016/j.autcon.2025.106680  (Impact Factor: 11.5)

J-14. Gbiengu, P., Khan, M., Nnaji, C., Vikas, V., & Martelli, D. Evaluating the Role of Short-Term Pilots in Exoskeleton Adoption in Construction. ASCE Journal of Management in Engineering – https://ascelibrary.org/doi/10.1061/JMENEA.MEENG-7085 (Impact Factor: 7)

J13. Gbiengu, P., Khan, M., Nnaji, C., & Karakhan, (2025) A. Enhancing Employee Retention in Construction: Role of Workforce Sustainability Attributes. International Journal of Construction Management. https://doi.org/10.1080/15623599.2025.2568097  

J12. Khan, M., Nnaji, C. (2025). Gender-specific effects of passive wearable exoskeletons (pwExo) on gait stability and fall risk in simulated construction tasks. International Journal of Industrial Ergonomics, 108, 103776. https://doi.org/10.1016/j.ergon.2025.103776  (Impact Factor: 3.0)

J11. Khan, M., Gbiengu, P., Ibrahium, A., & Nnaji, C. (2025). Investigating patterns and causes of struck-by accidents in roadway construction projects. International Journal of Occupational Safety and Ergonomics, 1–22. https://www.tandfonline.com/doi/full/10.1080/10803548.2025.2485731 (Impact Factor: 4.1)

J10. Khan, M., Anjum, S., Ibrahim, A., Nnaji, C., Aryal, A., & Koh, A. S. (2025). Wearable sensor-based fatigue classification under diverse thermal conditions. Journal of Information Technology in Construction, 30, 875–902. https://www.itcon.org/papers/2025_36-ITcon-Khan.pdf (Impact Factor: 3.6)

J9. Khan, M., Nnaji, C., Khan, M. S., Ibrahim, A., Lee, D., & Park, C. (2023). Risk factors and emerging technologies for preventing falls from heights at construction sites. Automation in Construction. https://doi.org/10.1016/j.autcon.2023.104955 (Impact Factor: 11.5)

J8. Ibrahim, A. A., Khan, M., Nnaji, C., & Koh, A. S. (2023). Assessing non-intrusive wearable devices for tracking core body temperature in hot working conditions. Applied Sciences, 13(11), 6803. https://doi.org/10.3390/app13116803 (Impact Factor: 2.5)

J7. Tran, S. V. T., Lee, D., Bao, Q. L., Yoo, T., Khan, M., Jo, J., & Park, C. (2023). A human detection approach for intrusion in hazardous areas using 4D-BIM-based spatial-temporal analysis and computer vision. Buildings, 13(9), 2313. https://doi.org/10.3390/buildings13092313 (Impact Factor: 3.1)

J6. Khan, M. S., Khan, M., Bughio, M., Talpur, B. D., Kim, I. S., & Seo, J. (2022). An integrated HBIM framework for the management of heritage buildings. Buildings, 12(7), 964. https://doi.org/10.3390/buildings12070964 (Impact Factor: 3.1)

J5. Ahmad, S., Khan, N., Khalid, R., Khan, M., Lee, D., & Park, C. (2022). Fall prevention from ladders utilizing a deep learning-based height assessment method. IEEE Access, 10, 36725–36742. https://doi.org/10.1109/access.2022.3164676 (Impact Factor: 3.4)

J4. Khan, M., Khalid, R., Anjum, S., Khan, N., Cho, S., & Park, C. (2022). Tag and IoT-based safety hook monitoring for prevention of falls from height. Automation in Construction, 136, 104153. https://doi.org/10.1016/j.autcon.2022.104153 (Impact Factor: 11.5)

J3. Khan, M., Khalid, R., Ahmad, S., Van-Tien, S., & Park, C. (2022). Fall prevention from scaffolding using computer vision and IoT-based monitoring. Journal of Construction Engineering and Management, 148(7). https://doi.org/10.1061/(asce)co.1943-7862.0002278 (Impact Factor: 4.1)

J2. Cho, S., Khan, M., Pyeon, J., & Park, C. (2021). Blockchain-based network concept model for reliable and accessible fine dust management system at construction sites. Applied Sciences, 11(18), 8686. https://doi.org/10.3390/app11188686 (Impact Factor: 2.5)

J1. Khan, M., Khan, N., Skibniewski, M. J., & Park, C. (2021). Monitor the emission and exposure of particulate matter (PM) dust from construction activity through low-cost dust sensor. Sustainability, 13(14), 7797. https://doi.org/10.3390/su13147797 (Impact Factor: 3.6)

Peer Review Journal Articles - Under Review

UR-J 4. Khan, M., & Nnaji, C. The impact of weather conditions on fall incidents among roofer contractors. ASCE Journal of Construction Engineering and Management (JCEM) – 2nd Round.

UR-J 3.  Khan, M., Aryal, A., & Nnaji, C. Impact of Passive Shoulder-Assist Exoskeletons on Foot Biomechanics and Balance: A BMI-Specific Assessment. ASCE Journal of Construction Engineering and Management (JCEM) – Under Review.

UR-J 2. Gbiengu, P., Khan, M., & Nnaji, C. Exoskeleton Adoption in Construction: A Praxis-Based Framework for Bridging Theory and Field Implementation. ASCE Journal of Construction Engineering and Management (JCEM) – Under Review.

UR-J 1. Gbiengu, P., Khan, M., Ibrahim, A., Anjum, S., & Nnaji, C. Application of Artificial Intelligence in Construction Health and Safety Management: A Systematic Review and Path Forward. Journal of Information Technology in Construction (ITcon) – Under Review.

Note: Title may modify before publication. Once paper got online link will be provide!

Journal Articles in Preparation

IP-J 1. Khan, M., & Nnaji, C. Workload Demands and Their Influence on Gait and Stability in Construction Tasks.

IP-J 2. Talha N., Khan, M., & Nnaji, C. Worker Perception of Hazards under Varying Site Conditions: Implications for Safety Management.  

Conference Papers - Published

C12. Gbiengu, P., Khan, M., Woods, C., Chukwuma, N., & Vikas, V. (2024). Advancing ergonomic solutions: Lessons from lower-body exoskeleton trials in construction. CIB Conference, 2025. https://doi.org/10.7771/3067-4883.1403 .

C11. Gbiengu, P., Khan, M., Ibrahim, A., & Nnaji, C. (2024). Critical factors affecting the adoption of robots for construction safety and health management. CIB W099 Conference, Accra Ghana, 2024.

C10. Gbiengu, P., Khan, M., Nnaji, C., & Awolusi, I. (2024). Ethical use of artificial intelligence in construction safety and health management. CIB W099 Conference, Accra Ghana, 2024.

C9. Khan, M., & Nnaji, C. (2023). Real-time monitoring system framework for fall from roof accident prevention. i3CE 2023.  https://doi.org/10.1061/9780784485248.066 

C8. Khan, M., Ibrahim, A., Nnaji, C., & Aryal, A. (2023). Developing prediction models for monitoring workers’ fatigue in hot conditions. i3CE 2023. https://doi.org/10.1061/9780784485248.075 

C7. Khan, M., McCary, E., Nnaji, C., & Awolusi, I. (2022). Worker safety in modular construction: Investigating accident trends, safety risk factors, and potential role of smart technologies. The 9th International Conference on Construction Engineering and Project Management (ICCEPM 2022).

C6. Khalid, R., Khan, M., Ahmad, S., Lee, D., & Park, C. (2022). AprilTag and stereo visual inertial odometry (A-SVIO) based mobile assets localization at indoor construction sites. The 9th International Conference on Construction Engineering and Project Management (ICCEPM 2022).

C5. Ahmad, S., Sibtain, M., Khalid, R., Khan, M., Khan, N., & Park, C. (2022). A worker-driven approach for opening detection by integrating computer vision and built-in inertia sensors on embedded devices.The 9th International Conference on Construction Engineering and Project Management (ICCEPM 2022).

C4. Ahmad, S., Khalid, R., Khan, M., Khan, N., & Park, C. (2021). A pull-reporting approach for floor opening detection using deep learning on embedded devices. 38th ISARC Conference, Dubai. DOI: https://doi.org/10.22260/ISARC2021/0055

C3. Khan, N., Khan, M., Cho, S., & Park, C. (2021). Towards the adoption of vision intelligence for construction safety: Grounded theory methodology-based safety regulations analysis. ICE 2021 Conference, Germany. https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/78596

C2. Khan, M., Khalid, R., & Park, C. (2021). IMU-based smart safety hook for fall prevention at construction sites. IEEE TENSYMP 2021, Jeju Island, South Korea. DOI: 10.1109/TENSYMP52854.2021.9550944

C1. Choi, J., Cheriyan, D., & Khan, M. (2019). Monitor particulate matter emission from different construction activities causing long-term health issues and premature deaths. CIB Conference, Hong Kong.

Conference Papers Submitted (OR) in Preparation

IP-C 5. Khan, M., Hussain, R., Duorinah, F., Zaidi, S. F. A., & Nnaji, C. GenSafeX: An AI Framework for Generating Virtual Safety Training Content from Accident Reports Using LLMs. CRC 2026

IP-C 4. Khan, M., Cotterell, O., Aryal, A., & Nnaji, C. Fusion-Based Detection of Exoskeleton Misalignment Using IMU Sensors and Vision Models in Construction Safety Monitoring. CRC 2026

IP-C 3. Khan, M., Gbiengu, P., & Nnaji, C. Assessing Gait Changes Over Time During Drywall Simulation with a Passive Exoskeleton. CRC 2026

IP-C 2. Hussain, R., Khan, M., & Nnaji, C. Integrating Conversational AI with Intelligent Avatars for Interactive Construction Safety Education in Virtual Reality. CRC 2026

IP-C 1. Nadeem, M., Khan, M., Namian, M., & Nnaji, C. A Pilot Study on Trade-Specific Variations in Fatigue and Hazard Recognition Among Construction Workers. CRC 2026 

Patent 

P1. Construction Site Fall Prevention Monitoring Method and System  (Link: Source) 

Research Posters Presentations

RPP 6.  Gbiengu, P., Khan, M., & Nnaji, C. (October 2024). The impact of short-term pilots on exoskeleton acceptance in construction: A study of worker perceptions and adoption. CIB Conference, Ghana.

RPP 5.  Gbiengu, P., Martindale, K., Anjum, S., Khan, M., & Nnaji, C. (October 2024). Enhancing worker health and safety: The impact of exoskeletons on muscle fatigue under time pressures. CIB Conference, Ghana.

RPP 4.  Khan, M., & Nnaji, C. (October 2024). Wearable robots for construction safety applications: Demo at the Architectural Showcase. Texas A&M University.

RPP 3.  Herrera, J., Khan, M., Anjum, S., & Nnaji, C. (2024). Insole-based fall prediction performing construction tasks. REU Conference Presentation, Texas A&M University.

RPP 2.  Khan, M., & Nnaji, C. (2023). Exoskeleton demo at the architectural showcase. Texas A&M University.

RPP 1.  Abdullahi, I., Khan, M., & Nnaji, C. (2023). Effects of using an active hand exoskeleton for drilling tasks: A pilot study. Texas A&M University.