Stammstrecke München: Tunnelbau für Deutschlands tiefste Bahnstrecke | Die Story | Kontrovers | BR24

BR24 March 19, 2025
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Hier ist Bayern. Alles Wichtige erfahren, was Bayern bewegt. Aktuelle News und Informationen. Die BR-Korrespondenten sind dran am Geschehen in den Regionen. ► In der Kommentarspalte gelten unsere Community-Regeln: https://www.br.de/service/kommentare-netiquette-richtlinien-110.html

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Es ist eine Baustelle der Extreme: Bei Münchens Großbauprojekt der zweiten Stammstrecke wird Deutschlands tiefste Bahnstrecke gebaut. Kontrovers – Die Story begleitet Bauarbeiter unter der Erde und zeigt, welche Probleme täglich zu bewältigen sind. Über 10 Kilometer S-Bahn-Tunnel sollen für die zweite Stammstrecke entstehen. Für diese Story besuchen wir unterirdische Baustellen und begleiten die Tunnelbauer, auch Mineure genannt, bei ihrer komplizierten Arbeit. Ein nicht nur körperlich extrem anspruchsvoller Job - und dazu kommt noch der Erfolgsdruck, unter dem die Mannschaft steht, denn beinahe jeden Tag geschehen unvorhergesehene Dinge. Damit die Bauarbeiter knapp 30 Meter unter der Erde genug Sauerstoff zum Atmen haben, müssen sie vorher an den Kompressoren die Frischluftzufuhr anpassen. Sie müssen sich "einschleusen", damit die Lungen sich dem erhöhten Luftdruck anpassen und nach getaner Arbeit genauso wieder "ausschleusen". Sonst können Stickstoffbläschen im Körper zu Schlaganfällen oder Lähmungen führen. Unter diesem Luftdruck kann es auch leichter zu Bränden kommen - deshalb bereitet sich die Feuerwehr auf einen möglichen Einsatz in den Tunneln vor. Eine weitere Herausforderung: Außentemperatur und die neu gebohrten Tunnel haben Auswirkungen auf den Boden. Senkt sich der Boden ab, könnten Züge entgleisen und die Tunnelbaustelle einstürzen. Deshalb überwachen Ingenieurgeologen jeden Quadratmeter. Inhalt: 00:00 Intro 01:20 Bauarbeiter starten in Arbeitstag 03:23 Mit dem Aufzug in die Tiefe 05:32 Kontrolle ist überlebenswichtig 07:09 Es gibt ein unterirdisches Problem 08:28 Gesundheitscheck für die Ersthelfer 10:41 Die Brunnenarbeiten stocken Autor: Johannes Lenz "Die Story" - unser wöchentliches Doku- und Reportageformat aus der Kontrovers-Redaktion des Bayerischen Rundfunks. Jeden Mittwoch um 15 Uhr auf diesem Kanal. Hier geht's zur Playlist: https://www.youtube.com/playlist?list=PLvAQXonIfGbNgNSzIqSNMwbId2JU6rS8w Hier geht's zu unserer BR24-Website: http://www.BR24.de BR24-Facebook: http://www.facebook.com/BR24 BR24-X: http://twitter.com/BR24 BR24-Instagram: http://www.instagram.com/BR24 Kontrovers im Internet: http://www.br.de/kontrovers Weitere Beiträge von Kontrovers finden Sie auch in der ARD Mediathek: https://1.ard.de/Kontrovers #kontrovers #story #stammstrecke

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