Study of evacuation patterns in university

Pao Yue-kong Library Electronic Theses Database

Study of evacuation patterns in university


Author: Li, Xiaofan
Title: Study of evacuation patterns in university
Degree: M.Eng.
Year: 2013
Subject: Buildings -- Evacuation.
College buildings -- Fires and fire prevention.
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Building Services Engineering
Pages: viii, 93 leaves : ill. (some col.) ; 30 cm.
Language: English
Abstract: Emergency evacuation is a primary fire safety concern for a safe building design. This is particularly important for institutions such as universities, because these institutions have high occupant load, mixed occupancy type. To cater for emergency evacuation, different emergency planning in these institutions are developed. However, the effectiveness of evacuation planning in these institutions are not well understood. In this paper, the study focuses on the evacuation patterns in a local university using site survey and numerical simulation software. The site survey was conducted in The Hong Kong Polytechnic University. Prior to the simulation, two site surveys with video recording of students’ movement were conducted. Various information such as students’ walking speed, crowd density and evacuation time were captured using for the video data analysis. The mathematical model simulations were conducted using Fire Dynamics Simulator with Evacuation (FDS+Evac). By studying the evacuation performance in the fire drill with that in the simulation, some observations were obtained. Staff evacuated more efficiently on many aspects when compared with students. Comparisons between different scenarios during numerical simulations were drawn to further explore the lay-out of the building for fire safety management in the university. Exit condition has the most important impact on evacuation efficiency. Hence, ensuring the availability of all the exits is very important in improving the efficiency of evacuation planning. In the end, a more comprehensive evacuation planning for the university was proposed.

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