A real-time construction safety monitoring system for hazardous gas integrating wireless sensor network and building information modeling technologies

Weng Fong Cheung, Tzu Hsuan Lin, Yu Cheng Lin

Research output: Contribution to journalArticlepeer-review

68 Scopus citations

Abstract

In recent years, many studies have focused on the application of advanced technology as a way to improve management of construction safety management. A Wireless Sensor Network (WSN), one of the key technologies in Internet of Things (IoT) development, enables objects and devices to sense and communicate environmental conditions; Building Information Modeling (BIM), a revolutionary technology in construction, integrates database and geometry into a digital model which provides a visualized way in all construction lifecycle management. This paper integrates BIM and WSN into a unique system which enables the construction site to visually monitor the safety status via a spatial, colored interface and remove any hazardous gas automatically. Many wireless sensor nodes were placed on an underground construction site and to collect hazardous gas level and environmental condition (temperature and humidity) data, and in any region where an abnormal status is detected, the BIM model will alert the region and an alarm and ventilator on site will start automatically for warning and removing the hazard. The proposed system can greatly enhance the efficiency in construction safety management and provide an important reference information in rescue tasks. Finally, a case study demonstrates the applicability of the proposed system and the practical benefits, limitations, conclusions, and suggestions are summarized for further applications.

Original languageEnglish
Article number436
JournalSensors (Switzerland)
Volume18
Issue number2
DOIs
StatePublished - 2 Feb 2018

Keywords

  • BIM
  • Hazardous gas
  • IoT
  • Job site
  • Monitoring
  • Safety management
  • WSN

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