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Author(s):	Mensinger, Martin; Engl, Matthias; Rengstl, Mathias
Title:
Abstract:	Herrn Prof. Dr.-Ing. Ingbert Mangerig zur Vollendung seines 70. Lebensjahres gewidmet Das Vorgehen zur Erstellung von 2D-Referenz-Rissmodellen entsprechend der Richtlinie 805:2012 Anhang 8 wird schrittweise dargestellt. Dieser Anhang der RiL 805 dient der Festlegung von sicheren Betriebszeitintervallen von bestehenden genieteten Eisenbahnbrücken und wird derzeit überarbeitet. Neben den bruchmechanischen Hintergründen bei genieteten Eisenbahnbrücken wird auch die Anwendung der FEM für 3D-/2D-Parameterstudien bei Rissen erläutert. Das Vorgehen zur Definition von Modellbreiten wird aufgezeigt und exemplarisch an einem genieteten Winkel demonstriert. Adaptation of the 2D reference crack models in Annex 8 of RiL 805:2012 - transfer from 3D fracture models to 2D reference fracture models The procedure for the creation of 2D reference crack models according to the RiL 805:2012 Annex 8 is presented. This appendix of the RiL 805 serves to define safe operating time intervals of existing riveted railway bridges and is currently under revision. Besides the fracture mechanical background of riveted railway bridges, the application of FEM for 3D/2D parameter studies of cracks is explained. The procedure for defining model widths is shown and exemplified at a riveted angle.
Source:	Stahlbau 89 (2020), No. 10
Page/s:	833-839
Language of Publication:	German

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