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Abstract:	Durch die in den letzten Jahren enorm gestiegenen Verkehrsbelastungen und damit einhergehenden gestiegenen lokalen Beanspruchungen im Deckblech kommt es bei bestehenden Stahlbrücken mit orthotropen Fahrbahnplatten vermehrt zu Ermüdungsschäden im Bereich der geschweißten Anschlüsse der Längsrippen an das Deckblech (Kategorie-1-Schäden). Der vorliegende Beitrag gibt einen Überklick über existierende Verstärkungsmaßnahmen, die bereits in Pilotprojekten erprobt wurden sowie aktuelle Forschungsarbeiten zur Verstärkung von orthotropen Fahrbahnplatten mit Kategorie-1-Schäden. Retrofitting methods for orthotropic steel deck plates with category-1-damages. Due to a high increase of traffic load during the last decades orthotropic steel deck plates show more and more fatigue damages in the welded connection between longitudinal stiffeners and steel deck plate (category-1-damages). This contribution gives an overview about existing retrofitting methods which have already been applied in pilot projects and currently investigates renovation techniques for retrofitting category-1-damages.
Source:	Stahlbau 86 (2017), No. 7
Page/s:	562-573
Language of Publication:	German

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