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Search: (L773:0015 2684 OR L773:1572 8099) > (2015-2019) > The Variation of Pr...

  • Forssberg, MartinBrandskyddslaget AB (author)

The Variation of Pre-movement Time in Building Evacuation

  • Article/chapterEnglish2019

Publisher, publication year, extent ...

  • 2019-07-12
  • Springer Science and Business Media LLC,2019

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:2d4e39fa-71da-4ea4-a79d-9723c48333a5
  • https://lup.lub.lu.se/record/2d4e39fa-71da-4ea4-a79d-9723c48333a5URI
  • https://doi.org/10.1007/s10694-019-00881-1DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • In order to provide a reliable evacuation design assessment, data showing the variation in pre-movement time is of vital importance. The pre-movement time is in many cases regarded as the main time period during an evacuation assessment. Therefore, forty unannounced evacuation experiments for six different occupancies were analysed to quantify pre-movement time during building evacuation, i.e., the time taken between receiving the first cue and initiation of movement towards an exit during evacuation. The occupancies were office, cinema theatres, restaurants, department stores and night clubs. The occupancies were equipped with different types of evacuation alarm systems. The study resulted in 2486 data points for the pre-movement time. The pre-movement times were matched to statistical distributions to describe the variation. It was found that the pre-movement times in most cases could be represented with a lognormal or loglogistic distribution typically having a rapid initial increase representing the phase when people start reacting, which is followed by a less steep decrease representing the phase when some people linger before evacuating. Most reliable data are provided for the cinema theatre experiments which included 1954 data points from 30 experiments. The paper also presents a structure for performing an assessment of video recorded evacuation experiment determining actions, relevant time data and fitting a statistical distribution to the data. The new information provided in the paper can help fire safety professionals to more accurately predict the time to evacuate different premises.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Kjellström, Jesper (author)
  • Frantzich, HåkanLund University,Lunds universitet,Avdelningen för Brandteknik,Institutionen för bygg- och miljöteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Fire Safety Engineering,Department of Building and Environmental Technology,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)brand-hf (author)
  • Mossberg, AxelBrandskyddslaget AB(Swepub:lu)ax8770mo (author)
  • Nilsson, DanielCanterbury University(Swepub:lu)bran-dni (author)
  • Brandskyddslaget ABAvdelningen för Brandteknik (creator_code:org_t)

Related titles

  • In:Fire Technology: Springer Science and Business Media LLC55:6, s. 2491-25130015-26841572-8099

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Forssberg, Marti ...
Kjellström, Jesp ...
Frantzich, Håkan
Mossberg, Axel
Nilsson, Daniel
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ENGINEERING AND TECHNOLOGY
ENGINEERING AND ...
and Civil Engineerin ...
and Other Civil Engi ...
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Fire Technology
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Lund University

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