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Author(s):	Leucker, Roland; Leismann, Frank
Title:
Abstract:	Im Rahmen des Projektes SOLIT2 wurde anhand von über 30 Großbrandversuchen im Mai/Juni 2011 die Wirksamkeit von Wassernebel-Brandbekämpfungsanlagen in Verbindung mit der Brandlüftung in Straßentunneln erprobt. Im Maßstab 1:1 wurden dabei je zur Hälfte Flüssigkeitsbrände (“Poolfires”) mit Brandlasten zwischen 30 MW und 100 MW sowie Feststoffbrände mit kompletten LKW-Ladungen (Brandlast 100 MW, bestehend aus Holzpaletten) ausgeführt. Neben der Überprüfung der Wirksamkeit waren die Wechselwirkungen zwischen Wassernebel-Brandbekämpfungsanlagen und anderen Sicherheitseinrichtungen in Tunneln von besonderem Interesse, um mithilfe eines ganzheitlichen Sicherheitskonzeptes mögliche Einsparpotenziale identifizieren und praxisgerechte Lösungen entwickeln zu können. Vor dem Hintergrund der steigenden Relevanz des vorbeugenden Brandschutzes in Tunneln erfolgt in der vorliegenden Veröffentlichung eine Auswertung ausgewählter Versuchsdaten hinsichtlich der Wirkung von Wassernebel-Brandbekämpfungsanlagen auf eine Verminderung von Bauwerksschäden. Results of Fire Tests to assess the mitigating effect of Water Mist Fire Fighting Systems Within the scope of the SOLIT2 project, the efficiency of water mist fire fighting systems in conjunction with fire ventilation in road tunnels was determined based on more than 30 major fire tests in May/June 2011. On a 1:1 scale, half of these tests were executed as pool fires with fire loads ranging from 30 to 100 MW and the other half as solid matter fires with complete lorry loads (fire load 100 MW - consisting of wooden pallets). Apart from checking the efficiency, the interaction between water mist fire fighting systems and other safety facilities in tunnels was of particular interest, with the aim of identifying possible savings potentials and developing practice-oriented solutions based on a holistic safety concept. Against the background of increasing relevance for preventive fire protection in tunnels in the present article an evaluation of selected experimental data on the effect of water mist fire fighting systems to reduce concrete damage is shown.
Source:	Beton- und Stahlbetonbau 108 (2013), No. 4
Page/s:	264-275
Language of Publication:	German

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