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Development of an early-warning system for site work in hot and humid environments: a case study
journal contribution
posted on 2016-02-01, 00:00 authored by W Yi, A P C Chan, X Wang, Jun WangJun Wang© 2015 Elsevier B.V. All rights reserved. This study presents an early-warning system for working in hot and humid environment. The developed system can monitor workers' heat strain level when they have to work under such hostile conditions continuously. Health alert messages with corresponding intervention measures will be prompted to workers to safeguard their wellbeing. Heat strain is evaluated by a subjective index perception rating of perceived exertion (RPE) and an objective heat strain indicator heart rate. A database containing 550 sets of synchronized work-related, environmental, and personal data were used to construct the prediction model. Artificial neural networks were applied to forecast the RPE of construction workers. Statistical measures including MAPE, RMSE and R2 confirm that the established model is good fitting with high accuracy. The proposed system could be automated by integrating smart sensor technology, location tracking technology, and information communication technology, which could be in the form of GSM based environmental sensor, smart bracelet, and smart phone application, to protect the wellbeing for those who have to work in hot and humid conditions.
History
Journal
Automation in constructionVolume
62Pagination
101 - 113Publisher
ElsevierLocation
Amsterdam, The NetherlandsPublisher DOI
ISSN
0926-5805Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2015, Elsevier B.V.Usage metrics
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No categories selectedKeywords
Science & TechnologyTechnologyConstruction & Building TechnologyEngineering, CivilEngineeringArtificial neural networks (ANNs)Construction industryEarly-warning systemHeat stressHong KongOccupational health and safety (OHS)HEAT-STRESSPERCEIVED EXERTIONBRAIN ACTIVITYCONSTRUCTIONEXERCISEILLNESSSAFETYRISKTEMPERATURETOLERANCE
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