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Author(s):	Adomeit, Roland; Springer, Johannes; Hanf, Manfred; Groneberg-Kloft, Beatrix; Berndorfer, Claus
Title:
Abstract:	Der Austausch der Vorlandbrücken der Eisenbahnbrücke über den Main bei Stockstadt ist in vielerlei Hinsicht ein bemerkenswertes Projekt. Die jeweils über drei Felder durchlaufenden Vorlandbrückenbauwerke auf der Seite Mainaschaff sowie auf der Seite Stockstadt mussten aufgrund vorhandener Schäden im Rahmen einer Sofortmaßnahme ausgetauscht werden. Aufgrund des sehr kurzen Realisierungszeitraums geschah dies mit bewährten, an Zwillingsträgerhilfsbrücken angelehnten Konstruktionen. Neben einem kurzen Rückblick auf die Geschichte des Bauwerks berichtet der vorliegende Beitrag über Besonderheiten der Statik, der Konstruktion und der Montage der neuen Vorlandbrücken. Dabei wird u. a. auf die Herausforderungen dieses Projekts wie die extrem kurze Planungs- und Realisierungszeit von nur sieben Monaten von Februar bis August 2019 sowie auf die Wiederverwendung der vorhandenen Lager eingegangen. Repair of the railway bridge over the river Main near Stockstadt - substitution of the shore spans at record speed The substitution of the shore spans of the railway bridge over the Main near Stockstadt is a remarkable project in many respects. On both sides of the main bridge the two shore spans, which continue over three spans each, had to be replaced in the context of an immediate action because of structural damage. Because of the scheduled time limit for execution of construction works, the superstructures were designed similar to proven twin girder temporary railway bridges. Apart from an overview on the history of the structure, this article outlines specifics of the structural design, construction and erection of the new shore spans. In this context, the article focuses on the special features such as the very short planning- and construction period of seven months only from February to August 2019, and the re-use of the existing bearings.
Source:	Stahlbau 90 (2021), No. 1
Page/s:	46-56
Language of Publication:	German

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