Model Scale Tunnel Fire Tests – Point Extraction Ventilation

Report Date: January 2010

Several catastrophic tunnel fires have lead to increased research into tunnel fire safety. A major consideration in tunnel fires is the removal or containment of smoke in order to reduce fire spread and minimize the size of the hazardous environment. This study simulates a large cargo vehicle fire in a model scale tunnel and tests the effects of vertical extraction openings in conjunction with forced horizontal ventilation. The findings can be applied to all sorts of tunnels, including road tunnels and railway tunnels.

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  • SP Technical Research Institute of Sweden

    SP applies its internationally leading competence to the development and evaluation of technologies, material, products, and processes to meet its customers' needs and provide an effective link between research and commercialization.

    SP Fire Research is active in research, Fire Safety Engineering, support to national and international legislation, off-shore safety, risk analysis, testing, certification, inspection and so on. The group works globally.

    We investigate and test the behaviour of materials and products in fires. The results can be used for type approval and certification in Sweden and in other countries. We test extinguishants and fire-fighting equipment.

    We also perform theoretical analyses of the growth of fires and the spread of smoke, with calculations of temperatures in structures exposed to fire.

    We have an extensive network of contacts through such ways as active participation in international standardisation by CEN and ISO, as well as through the joint European fire testing laboratories organisation, EGOLF.

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Ingason, Haukur and Ying Zhen Li. Model Scale Tunnel Fire Tests – Point Extraction Ventilation. Borås, Sweden: SP Technical Research Institute of Sweden, SP Report 2010:03, 2010. Print. 

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