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Adami, V S, Verschoore, J R and Antunes Junior, J A V (2019) Effect of Relational Characteristics on Management of Wind Farm Interorganizational Construction Projects. Journal of Construction Engineering and Management, 145(03).
Alruqi, W M and Hallowell, M R (2019) Critical Success Factors for Construction Safety: Review and Meta-Analysis of Safety Leading Indicators. Journal of Construction Engineering and Management, 145(03).
Chegu Badrinath, A and Hsieh, S (2019) Empirical Approach to Identify Operational Critical Success Factors for BIM Projects. Journal of Construction Engineering and Management, 145(03).
Kim, T and Chi, S (2019) Accident Case Retrieval and Analyses: Using Natural Language Processing in the Construction Industry. Journal of Construction Engineering and Management, 145(03).
Laurent, J and Leicht, R M (2019) Practices for Designing Cross-Functional Teams for Integrated Project Delivery. Journal of Construction Engineering and Management, 145(03).
Lindhard, S M, Hamzeh, F, Gonzalez, V A, Wandahl, S and Ussing, L F (2019) Impact of Activity Sequencing on Reducing Variability. Journal of Construction Engineering and Management, 145(03).
Monzer, N, Fayek, A R, Lourenzutti, R and Siraj, N B (2019) Aggregation-Based Framework for Construction Risk Assessment with Heterogeneous Groups of Experts. Journal of Construction Engineering and Management, 145(03).
Nguyen, L H (2019) Relationships between Critical Factors Related to Team Behaviors and Client Satisfaction in Construction Project Organizations. Journal of Construction Engineering and Management, 145(03).
Su, Z, Wei, H, Zou, X and Qi, J (2019) Zero-One Formulation for a Partial Resource-Constrained Project Scheduling Problem with Generalized Precedence Relations. Journal of Construction Engineering and Management, 145(03).
Wang, Q, Guo, Z, Mintah, K, Li, Q, Mei, T and Li, P (2019) Cell-Based Transport Path Obstruction Detection Approach for 4D BIM Construction Planning. Journal of Construction Engineering and Management, 145(03).
Zhang, H, Yan, X, Li, H, Jin, R and Fu, H (2019) Real-Time Alarming, Monitoring, and Locating for Non-Hard-Hat Use in Construction. Journal of Construction Engineering and Management, 145(03).
- Type: Journal Article
- Keywords: Non-hard-hat use (NHU); Infrared beam detector; Thermal infrared sensor; Radio-frequency identification (RFID); Web and smartphone application; Cloud server; Internet of Things (IoT); Safety inspection;
- ISBN/ISSN: 0733-9364
- URL: https://doi.org/10.1061/(ASCE)CO.1943-7862.0001629
- Abstract:
Non-hard-hat use (NHU) is related to many construction accidents, so NHU inspection is crucial to safety management, in which automatic NHU monitoring plays an essential role. Existing computer vision–based NHU inspection methods lack capabilities in identifying workers and helping take real-time action. Previous sensor-based NHU inspection methods require direct skin contact, which would be uncomfortable for workers. In addition, previous sensor-based methods could be deceived by objects other than human heads and could not achieve real-time alarms. This study aims to address these problems by implementing real-time alarming, monitoring, and locating for NHU in construction based on sensor, mobile, web, and cloud techniques. A smart hard-hat system is developed using an Internet of Things (IoT)-based architecture including (1) a hard hat with an infrared beam detector and thermal infrared sensor for nonintrusive NHU detection; (2) radio-frequency identification (RFID) triggers for locating NHU with an average detection error of less than 10 cm; (3) a smartphone application for personalized warnings; (4) a web application for data visualization and alarms for managers; and (5) a cloud sever for data storage and retrieval. The proposed system enables both workers and managers to take timely actions against NHU. The system performance is evaluated in a laboratory test and validated in a field application. It is indicated that the proposed system is accurate and reliable, showing potential to promote safety inspection and supervision in construction.