This icing process was also used during the construction of the Brandenburger Tor station. Unlike other stations on this new U5 extension, the station area was built only after the tunnel boring machine had passed through the site, aided by ground freezing techniques. Since the eastern excavation pit was located partly in the river, a cofferdam was first created. Both were built using slurry walls due to the proximity to the river. The eastern entrance used open construction while the western entrance was built using a cut-and-cover process. Construction Įxcavations for the two entrances required different methods. The design by Max Dudler was inspired by a stage design by Karl Friedrich Schinkel for the opera The Magic Flute (Die Zauberflöte) from 1816 and features a starry sky on a dark blue barrel vault with points of light over the tracks. The platform occupies the space between the two tunnels, under a flat ceiling supported by two rows of columns. Both ends are equipped with escalators, and near the east entrance is an elevator leading from the surface directly to the platform. On the east side of the station, two entrances lie at the northwest corner of the Berliner Schloss. The station can be accessed from the west by an entrance in front of the Kronprinzenpalais and east of the Zeughaus. Part of the station is located just south of the Schlossbrücke under the Spree, at a depth of 16 meters below the upper edge of the street.Įntrances lead to the station from both ends, with distribution levels below the road surface. The Museumsinsel station has a single central platform at the eastern end of Unter den Linden, between Zeughaus and Berlin Palace.
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