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DOI: 10.14311/BSS.2014.0012
SOME DESIGN CONSIDERATIONS OF A FIRE SAFETY IN SUB-SURFACE
Aaron McDaid1*, Nicole Hoffmann2
1Parsons Brinckerhoff, London, UK
2Kingfell Ltd, London, UK
*Corresponding author. Email: Aaron.Mcdaid@pbworld.com
In this study, A great deal of analysis and design of both road and rail tunnels and their ventilation strategy has been undertaken to date, making it a relatively mature subject. And yet, new challenges are posed by schemes such the sub-surface rail project we discuss in this paper. The project involved a combination of three single-bore tunnels with mechanical ventilation systems, a sub-surface station to be naturally ventilated, and a sub-surface enclosure containing switches and crossings (S&C) connecting the tunnels and the station.
KEYWORDS: Smoke modelling, CFD modelling, evacuation modelling, ventilation, tenability, movement in smoke
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