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Employing pedestrian observations in engineering analysis

Employing pedestrian observations in engineering analysis

Siddiqui, A.A. and Gwynne, S.M.V. (2011) Employing pedestrian observations in engineering analysis. Safety Science, 50 (3). pp. 478-493. ISSN 0925-7535 (doi:10.1016/j.ssci.2011.10.011)

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Abstract

Simulation tools are often used to establish pedestrian and evacuee performance. The accuracy and reliability of such tools are dependent upon their ability to qualitatively and quantitatively capture the outcome of this performance; i.e. whether the simulated agents perform the expected acts and take the expected amount of time to complete them. This article investigates the relationship between simulating individual agent actions and generating reliable emergent conditions (e.g. congestion). Once this relationship is established for a particular tool, it can then be used to investigate the conditions that may emerge in certain scenarios and mitigate against them. This article presents a simple framework for categorising real-world observations and then translating these observations into the simulated environment – extracting key information from the data collected to configure the simulation tool as required. The article addresses the qualitative benefits of representing individual-level actions, and, to a lesser degree, the quantitative benefits, although this effort is limited given the nature of the data. It tests this relationship using observations made at the Hajj, specifically the Sa’ee where large numbers of pilgrims perform religious rites in concert. Several scenarios are simulated using the buildingEXODUS model, enabling the importance of individual-level behaviours upon emergent conditions to be investigated, even when simulating relatively large crowds of up to 15,000 people.

Item Type: Article
Uncontrolled Keywords: pedestrian dynamics, simulation, analysis, crowd, Hajj
Subjects: H Social Sciences > HE Transportation and Communications
H Social Sciences > HV Social pathology. Social and public welfare
T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Pre-2014 Departments: School of Computing & Mathematical Sciences
School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Fire Safety Engineering Group
School of Computing & Mathematical Sciences > Department of Mathematical Sciences
Related URLs:
Last Modified: 14 Oct 2016 09:17
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/7079

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