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Abdirad, H, Dossick, C S, Johnson, B R and Migliaccio, G (2021) Disruptive information exchange requirements in construction projects: perception and response patterns. Building Research & Information, 49(02), 161–78.

Albadra, D, Elamin, Z, Adeyeye, K, Polychronaki, E, Coley, D A, Holley, J and Copping, A (2021) Participatory design in refugee camps: comparison of different methods and visualization tools. Building Research & Information, 49(02), 248–64.

Cheng, J C P, Chen, K, Wong, P K, Chen, W and Li, C T (2021) Graph-based network generation and CCTV processing techniques for fire evacuation. Building Research & Information, 49(02), 179–96.

  • Type: Journal Article
  • Keywords: Building information modelling (BIM); closed-circuit television (CCTV); fire evacuation; graph-based network; Internet of things (IoT);
  • ISBN/ISSN: 0961-3218
  • URL: https://doi.org/10.1080/09613218.2020.1759397
  • Abstract:
    Evacuation navigation in emergencies such as fires is one of the most important operational considerations for a building. The large and complicated interior spaces, as well as the intensive population significantly increase the difficulty of fire evacuation in large-scale buildings. The environmental changes such as the spread of a fire and the flow of evacuees exacerbate the difficulties of fire evacuation. Therefore, this research aims to develop an adaptive approach for path planning against the rapid environmental changes in fires. In this paper, a graph-based network is formed by integrating MAT with VG, with the addition of a buffer zone. The network uses real-time videos from closed-circuit television (CCTV) cameras facilitated by deep learning algorithms to detect and tally the number of people in a target area. According to the tally of people and a proposed walkability model, the congestion conditions of an area can be analysed so that evacuees can avoid any areas that are congested. An Internet of things sensor network is also established to detect the presence of hazardous areas. The proposed solution allows evacuation navigation to be done in real time. An illustrative example is provided to demonstrate the functionality and features of this proposed methodology.

Sibilla, M and Kurul, E (2021) Exploring transformative pedagogies for built environment disciplines: the case of interdisciplinarity in low carbon transition. Building Research & Information, 49(02), 234–47.

Suchocki, C, Błaszczak-Bąk, W, Janicka, J and Dumalski, A (2021) Detection of defects in building walls using modified OptD method for down-sampling of point clouds. Building Research & Information, 49(02), 197–215.

Wang, Y, Xue, X, Yu, T and Wang, Y (2021) Mapping the dynamics of China’s prefabricated building policies from 1956 to 2019: a bibliometric analysis. Building Research & Information, 49(02), 216–33.