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Author(s):	Wetzk, Volker; Eisenkolb, Tino; Mehdianpour, Milad
Title:
Abstract:	Der Beitrag thematisiert das Kontaktproblem und damit den kritischen Punkt der historischen gusseisernen und stählernen Lagertechnik. Nach einem Rückblick auf die historische Entwicklung der Bemessung der Lagerwalzen und allgemeinen Ausführungen zur Kontaktproblematik wird anhand analytischer und numerischer Untersuchungen der Zusammenhang zwischen der Kontaktspannung nach Hertz und der Mises-Vergleichsspannung als Grundlage für ein realistisches Bewertungskonzept aufgezeigt. Assessment of historical bridge bearings - The contact problem. This paper tackles the contact problem, the weak point of historical bridge bearings made of cast iron and early steel. At first historical approaches dealing with the contact problem and general contact matters are discussed. To improve the current method of calculation, thereafter the link between Hertzian contact stress and von-Mises (equivalent) stress is demonstrated by analytical and numerical calculations.
Source:	Stahlbau 80 (2011), No. 6
Page/s:	404-412
Language of Publication:	German

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