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Ahmed, S and Arocho, I (2022) Implementing a Choosing-by-Advantages Decision-Making Method to Evaluate the Critical Success Factors of Mass-Timber Building Materials in the US. Journal of Construction Engineering and Management, 148(10).

Chen, H, Zhu, Y and Luo, X (2022) TableGraph: An Image Segmentation–Based Table Knowledge Interpretation Model for Civil and Construction Inspection Documentation. Journal of Construction Engineering and Management, 148(10).

da Silva, T F L, de Carvalho, M M and Vieira, D R (2022) BIM Critical-Success Factors in the Design Phase and Risk Management: Exploring Knowledge and Maturity Mediating Effect. Journal of Construction Engineering and Management, 148(10).

Gan, V J L (2022) BIM-Based Building Geometric Modeling and Automatic Generative Design for Sustainable Offsite Construction. Journal of Construction Engineering and Management, 148(10).

Hassandokht Mashhadi, A, Handy, R, Farhadmanesh, M, Rashidi, A, Honda, T, Sleeth, D K and Henry, T (2022) Feasibility Study of Using Nebulizer-Retrofitted UAVs at Construction Projects: The Case Study of Residential Jobsites in Utah. Journal of Construction Engineering and Management, 148(10).

  • Type: Journal Article
  • Keywords: Unmanned aerial vehicle (UAV); Nebulizer drone; Heat stress control; Dust control; Construction safety;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)CO.1943-7862.0002368
  • Abstract:
    Increased heat stress and air pollution are two major causes of health issues and productivity loss in the construction industry. This will be exacerbated by global warming and an increased possibility of extreme weather conditions in the future. Previous studies revealed that each 1°C rise in temperature reduces construction workers’ productivity by up to 2%. Also, it is found that a 10  μg/m3 particulate matter sized 2.5 μm (PM2.5) fluctuation over 25 days lowers workers’ daily production by 1%. As an effective dust control and cooling strategy, water spraying is used by practitioners to mitigate the effect of air pollution and heat-related problems on construction workers. Considering low costs and high mobility, unmanned aerial vehicles (UAVs) could be considered as a potential alternative for ground-based, stationary water spraying systems. To this end, a case study approach is adopted in this project to investigate the feasibility of using nebulizer-retrofitted UAVs in controlling air pollution and reducing heat stress at construction job sites. The case study consists of two different residential job sites in the state of Utah: one in Salt Lake City and the other one in St. George. The main contribution of this study is to determine the effect of aerial water spraying on air temperature and pollution at job sites. The outcomes of this study show that the average wet bulb globe temperature (WBGT) decreases 1.7° during the flight phase compared to average values for preflight and postflight phases. The aerial water spraying technique yields better and more water-efficient results in decreasing temperature at job sites compared to the existing approaches, such as stationary fans. Moreover, the results of PM variations illustrate that the mean value of particulate change was significantly different between flight and preflight (p=0.005), and flight and postflight (p<0.001) modes. Future studies should include the deployment of multiple drones flying simultaneously at job sites to cover larger areas.

Kamardeen, I and Hasan, A (2022) Occupational Health and Safety Implications of an Aging Workforce in the Australian Construction Industry. Journal of Construction Engineering and Management, 148(10).

Kurwi, S, Demian, P, Hassan, T M and Blay, K B (2022) A Process Model for Collaboration at the Design Stage of Rail Project Delivery. Journal of Construction Engineering and Management, 148(10).

Li, N, Du, J, González, V A and Chen, J (2022) Methodology for Extended Reality–Enabled Experimental Research in Construction Engineering and Management. Journal of Construction Engineering and Management, 148(10).

Lin, S and Cheung, S O (2022) Intention to Settle as an Indispensable Element of Negotiated Construction Dispute Settlement. Journal of Construction Engineering and Management, 148(10).

Lingard, H, Zhang, R P, LaBond, C, Clarke, J and Doan, T (2022) Situated Learning: How Interactions with Supervisors Shape Construction Apprentices’ Safety Learning and Practice. Journal of Construction Engineering and Management, 148(10).

Mantha, B R K and Garcia de Soto, B (2022) Investigating the Fiducial Marker Network Characteristics for Autonomous Mobile Indoor Robot Navigation Using ROS and Gazebo. Journal of Construction Engineering and Management, 148(10).

Naji, K K, Gunduz, M and Hamaidi, M F (2022) Major Factors Affecting Construction Waste Management in Infrastructure Projects Using Structural Equation Model. Journal of Construction Engineering and Management, 148(10).

Paquin, J, Morin, P, Lambert, A and Koplyay, T (2022) Assessing Project Contingency Reserves with the Expected Cost Overrun Risk Measure. Journal of Construction Engineering and Management, 148(10).

Retamal, F, Salazar, L A and Alarcón, L F (2022) Online Monitoring and Implementation of Commitment Management Performance and Its Impact on Project Planning in Four Construction Projects. Journal of Construction Engineering and Management, 148(10).

Tian, D, Li, M, Han, S and Shen, Y (2022) A Novel and Intelligent Safety-Hazard Classification Method with Syntactic and Semantic Features for Large-Scale Construction Projects. Journal of Construction Engineering and Management, 148(10).

Wang, B, Geng, L, Dang, P and Zhang, L (2022) Developing a Framework for Dynamic Organizational Resilience Analysis in Prefabricated Construction Projects: A Project Life Cycle Perspective. Journal of Construction Engineering and Management, 148(10).

Wu, H, Zhang, P, Li, H, Zhong, B, Fung, I W H and Lee, Y Y R (2022) Blockchain Technology in the Construction Industry: Current Status, Challenges, and Future Directions. Journal of Construction Engineering and Management, 148(10).

Xue, H, Sun, T and Zheng, J (2022) Organizational Elements and Collaborative Organizational Citizenship Behavior in Off-Site Construction Projects: Configurational Approach. Journal of Construction Engineering and Management, 148(10).

Zhu, Q, Zhou, T, Xia, P and Du, J (2022) Robot Planning for Active Collision Avoidance in Modular Construction: Pipe Skids Example. Journal of Construction Engineering and Management, 148(10).