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Evacuation travel paths in virtual reality experiments for tunnel safety analysis

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Author

  • Enrico Ronchi
  • Max Kinateder
  • Mathias Müller
  • Michael Jost
  • Markus Nehfischer
  • Paul Pauli
  • Andreas Mühlberger

Summary, in English

A case study on the analysis of evacuation travel paths in virtual reality (VR) tunnel fire experiments is presented to increase the understanding on evacuation behaviour. A novel method based on the study of the parametric equations of the occupants’ evacuation travel paths using vector operators inspired by functional analysis theory and the new concept of interaction areas (IAs) is introduced. IAs are presented and calculated in order to represent the distance of an occupant from a reference point (e.g., an emergency exit, the fire source, etc.) over time. The method allows comparisons of travel paths between experimental groups as well as comparisons with reference paths (e.g. user-defined paths, real-world paths, etc.). Results show that a common assumption employed by evacuation models (the use of a hypothetical path based on the shortest distance) may be an over-simplistic approximation of the evacuation paths.

Publishing year

2015

Language

English

Pages

257-267

Publication/Series

Fire Safety Journal

Volume

71

Document type

Journal article

Publisher

Elsevier

Topic

  • Building Technologies

Keywords

  • Fire evacuation
  • Travel paths
  • Tunnel safety
  • Virtual reality
  • Functional analysis

Status

Published

Research group

  • Evacuation

ISBN/ISSN/Other

  • ISSN: 0379-7112