Fire safety of buses - Research action for improving vehicle regulations

  • Although the bus belongs to the safest traffic means, single accidents can be particularly severe and concern many passengers. Especially in case of fires a high number of injured and killed persons can be the outcome. Fire safety of buses therefore is of high importance. With the increase of synthetic and plastic materials as a material for the interior equipment of buses and coaches because of their ood mechanical properties combined with low weight, the question arises whether the safety level has decreased in case of a fire during the last years - also compared to other means of transport. Because of the combustible plastics and their ability to release a high amount of heat the main fire load in buses is no longer the fuel but the plastic materials which are also often easy to ignite. Besides the flammability of the equipments, the production of smoke, the smoke development and propagation and its toxicity for the people as well as the testing methods and limit values are of interest. For those reasons research projects were initiated on behalf of the German Federal Highway Research Institute. At the one hand the fire behavior of coach interiors was examined in general focusing on fire propagation as well as fire detection and signalling. As result, recommendations with regard to early fire detection systems for the engine compartments and on-board extinguishing equipment were elaborated. At the other hand research is carried out to examine heat release, smoke, smoke propagation and its toxicity due to burning bus interior materials. The paper describes which effective and economically reasonable fire safety requirements for interiors of buses would improve the current situation. Proposals for amendments of current requirements are recommended including the specification of appropriate limit values. In particular, it is taken into consideration which reasonable fire safety standards from other transport sectors, especially the rail sector, should be transferred to buses.

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Author:Jost Gail, Steffen Dülsen, Anja Hofmann-Böllinghaus
Document Type:Conference Proceeding
Date of Publication (online):2014/02/12
Contributing corporation:Bundesanstalt für Materialforschung und -prüfung
Release Date:2014/02/12
Tag:Bus; Detektion; Fahrzeuginnenraum; Feuer; Grenzwert; Kunststoff; Norm (tech); Technische Vorschriften (Kraftfahrzeug); Toxizität; Verhütung; Versuch; Zug (Eisenbahn)
Bus; Detection; Fire; Interior (veh); Limit; Plastic material; Prevention; Specification (standard); Test; Toxicity; Train; Vehicle regulations
Link zum Volltext:
Source:Proceedings of the 23rd International Technical Conference on the Enhanced Safety of Vehicles, May 27-30, 2013, Seoul, Korea
Institutes:Abteilung Fahrzeugtechnik / Abteilung Fahrzeugtechnik
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
collections:BASt-Beiträge / ITRD Sachgebiete / 91 Fahrzeugkonstruktion
BASt-Beiträge / Tagungen / International Technical Conference on the Enhanced Safety of Vehicles (ESV) / 23rd ESV Conference 2013

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