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Guidelines for Emergency Ventilation Smoke Control in Roadway Tunnels

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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 836: Guidelines for Emergency Ventilation Smoke Control in Roadway Tunnels presents guidelines for ventilation in roadway tunnels to facilitate human evacuation and emergency responder safety. These guidelines consider tunnel geometrics such as tunnel altitude; physical dimensions (i.e., length, cross section); type of traffic flow (i.e., single or bi-directional flow); and fan utilization and placement. They also consider cargo types and quantities as they pertain to fire heat release rates (FHRRs) and ventilation requirements. The guidelines determine the effects of ventilation on tunnel fires including fire size, and the interaction of firefighting and ventilation system operation.

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National Academies of Sciences, Engineering, and Medicine. 2017. Guidelines for Emergency Ventilation Smoke Control in Roadway Tunnels. Washington, DC: The National Academies Press. https://doi.org/10.17226/24729.

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80 pages | 8.5 x 11
DOI: https://doi.org/10.17226/24729
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