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Ceneri-Basistunnel Ceneri Base Tunnel 47 Tunnel 04/2010 Ceneri-Basistunnel Ceneri Base Tunnel 47 Ceneri-Basistunnel Ceneri Base Tunnel Denis Rossi Denis Rossi Der Ceneri-Basistunnel (CBT) ist nach dem The Ceneri Base Tunnel (CET) is Switzerland’s Gotthard- und dem Lötschberg-Basistunnel third largest rail tunnel project after the das drittgrößte Bahntunnelprojekt der Gotthard and Lötschberg Base Tunnels. Schweiz. Als logische Fortsetzung des As the logical continuation of the Gotthard Gotthard-Basistunnels erlaubt der CBT die Base Tunnel the CBT permits the establish- Realisierung einer Flachbahn für den ment of a fl at trajectory railway for goods traffi c Güterverkehr durch die Schweiz und die through Switzerland and the securing of con- Sicherstellung der Personenverkehrs- nections for passengers in centres to the north anschlüsse in den Zentren nördlich und and south of the Alps. südlich der Alpen. Bedeutung des Auf Bestellung des Kantons Signifi cance of the Overview of the Ceneri Ceneri-Basistunnels Tessin wird mit dem Bau des Ceneri Base Tunnel Base Tunnel Project Ceneri-Basistunnels die „Bre- Die Rampen der heutigen tella Locarno“ realisiert. Sie The ramps of the present The tunnel system for the Bahnstrecke am Ceneri weisen liegt im Bereich des Nordportals railway route at the Ceneri pos- Ceneri Base Tunnel calls for Steigungen von bis zu 26 ‰ des CBT und dient dem Tessiner sess gradients of up to 26 ‰. If 2 single-track bores each 15.4 auf. Bei einem Verzicht auf den Regionalverkehr. Sie wird die the Ceneri Base Tunnel were not km long. They run from Bau des Ceneri-Basistunnels Reisezeit zwischen Locarno to be built additional locomo- Camorino near Bellinzona to wären für den alpenquerenden und Lugano mehr als halbieren: tives would continue to be Vezia in the vicinity of Lugano. Verkehr nach dem Gotthard von heute 55 Minuten auf neu needed for heavy goods trains The centre distance of the sin- weiterhin zusätzliche Lokomoti- 22 Minuten. after passing through the gle-track bores amounts to ven für die schweren Güterzüge Gotthard. roughly 40 m. Every 325 m the erforderlich. Übersicht Projekt The required reductions in bores are linked by cross-pas- Im Personenverkehr kann travelling times can be attained sages (Fig. 1). mit dem Ceneri-Basistunnel die Ceneri-Basistunnel in passenger traffi c with the The sophisticated 2.7 km nötige Fahrzeitreduktion er- Das Tunnel-System des Ceneri Base Tunnel so that trav- long, open section to the south reicht werden, um den Reisen- Ceneri-Basistunnels sieht 2 ellers in Zurich and Milan can be of Giubiasco Station to the north den in Zürich und Mailand opti- Einspurröhren von je 15,4 km sure of optimal connections. portal of the CBT in Camorino male Anschlüsse zu gewähr- Länge vor. Diese führen von Thanks to the Gotthard and represents part of the project. leisten. Dank dem Gotthard- und Camorino bei Bellinzona bis Ceneri Base Tunnels the travel- This section includes 2 long via- dem Ceneri-Basistunnel wird Vezia in der Nähe von Lugano. ling time from Zurich to Milan ducts with lengths of 1,000 and die Reisezeit zwischen Zürich Der Achsabstand der Einspur- will be reduced from the present 400 m respectively, a 4-track und Mailand von heute 4 tunnel beträgt ca. 40 m. Alle 4 h and 10 min to 2 h and bridge above the motorway Stunden und 10 Minuten auf 325 m werden die Tunnelröhren 40 min. with tricky building conditions neu 2 Stunden und 40 Minuten mit Querschlägen verbunden At the behest of the Canton while still maintaining road and reduziert. (Bild 1). of Tessino the “Bretella Locarno” rail traffi c as well as the upgrad- Teil des Projektes ist die an- will be produced in conjunction spruchsvolle, 2,7 km lange with the building of the Ceneri offene Strecke im Süden des Base Tunnel. It is located near Bahnhofs Giubiasco bis zum the CBT’s north portal and Nordportal des CBT in serves regional traffi c in Tessino. Dipl.-Bauing. ETH – MBA HSG Camorino. Zu diesem Abschnitt It will cut the travelling time be- Dipl.-Bauing, ETH – MBA HSG Denis Rossi, Abschnittsleiter gehören unter anderem 2 lan- tween Locarno and Lugano by Denis Rossi, Section Manager Süd, AlpTransit Gotthard AG, ge Viadukte mit einer Länge more than half: from the present South, AlpTransit Gotthard AG, Bellinzona/CH von 1000 m und 400 m, eine 55 min to only 22 min. Bellinzona/CH 48 Schweiz Switzerland Tunnel 04/2010 1 Stand der Arbeiten Ceneri-Basistunnel zum 1. April 2010 1 Stage reached by work on the Ceneri Base Tunnel on April 1, 2010 4-gleisige Brücke über die Stand der Arbeiten ing of the existing rail line on the Environment, Transport, Energy Autobahn mit schwierigen embankment from 2 to 4 tracks. and Communications (UVEK) Bauverhältnissen unter Auf- Vorarbeiten To the south of the Ceneri Base from October 23, 2005. rechterhaltung des Straßen- Im April 2006 wurden die Tunnel the new line directly The constricted space con- und Bahnverkehrs sowie der Vorarbeiten in Sigirino und links up with the SBB’s existing ditions in Sigirino made the pre- Ausbau der bestehenden Camorino aufgrund der Plange- route. The tunnel itself will large- paratory work for the installa- Bahnlinie auf dem Damm von 2 nehmigungsverfügung des ly be excavated from the Sigirino tions more diffi cult. However auf 4 Gleise. Südlich des Ceneri- Eidgenössischen Departements intermediate point of attack to- today good connections are Basistunnels mündet die neue für Umwelt, Verkehr, Energie wards the north and south. available both to the cantonal Linie unmittelbar nach dem und Kommunikation (UVEK) The tunnel is scheduled to road as well as to the motorway. Portal in die SBB-Stammlinie vom 23. Oktober 2005 aufge- become operational in A works rail link for supplying ein. Der Tunnel selbst wird zum nommen. December 2019. The Ceneri cement and aggregate for ce- größten Teil vom Zwischen- In Sigirino erschwerten die Base Tunnel project will cost a ment is in operation. The fact angriff in Sigirino in Richtung engen Platzverhältnisse die total of some 2,200 mill, CHF that the bulk of the material is Norden und Süden ausgebro- Vorbereitungsarbeiten für die (cost level as of 2005, without delivered per rail belongs to the chen. Installationen. Heute stehen VAT and the rail technology). environmentally conscious ma- Die Inbetriebnahme des aber gute Anschlüsse sowohl an terial management and trans- Tunnels ist für Dezember 2019 der Kantonsstraße als auch an Stage reached by portation concept of the client vorgesehen. Das Projekt Ceneri- der Autobahn zur Verfügung. – ATG. Basistunnel wird insgesamt rd. Ein Werkgleisanschluss für die Work In Camorino a number of 2200 Mio. CHF kosten (Kosten- Lieferung von Zement und Preliminary Work buildings had to be demolished stand 2005, ohne MWSt. und Gesteinskörnungen für Beton In April 2005 the preliminary to allow the infrastructure facili- ohne Bahntechnik). ist in Betrieb. Dass der der work began in Sigirino and ties to be set up. Spoil mainly größte Teil des Materials per Camorino on the basis of the obtained from the Gotthard Bahn angeliefert wird, gehört plan approval procedure of the Base Tunnel was used to pro- zum umweltbewussten Swiss Department for the duce fi lls. Furthermore a provi- Tunnel 04/2010 Ceneri-Basistunnel Ceneri Base Tunnel 49 Bewirtschaftungs- und Trans- 2001 ausgebrochen wurde. sional bridge was built over the community of Sigirino would portkonzept der Bauherrin ATG. Durch diese Sondierung ist die cantonal road, which will be have been badly aff ected if In Camorino mussten für die Geologie in diesem Bereich gut used as a site access for a 5 year drill+blast had been chosen. Errichtung der Infrastruktur- bekannt (Bild 3). period. The access tunnel is 2.3 km long, anlagen mehrere Gebäude ab- Der Fensterstollen FIS possesses a gradient of 4.8 % gebrochen werden. Es wurden (Finestra intermedia di Sigirino) Preparatory Work at Sigirino and a diameter of 9.70 m Vorbelastungsschüttungen mit wurde mit einer Tunnelbohr- So far in Sigirino the work (74 m2). The tunnel boring ma- Ausbruchmaterial vorwiegend maschine (TBM) aufgefahren. has centred on the “Sigirino in- chine was launched on February aus dem Gotthard-Basistunnel Die Wahl des TBM-Vortriebs er- termediate point of attack” (con- 15, 2008 and the breakthrough erstellt. Zudem wurde eine pro- folgte aus bautechnischen und tract section 851). Underground already took place on November visorische Brücke über der geologischen Gründen. Mitent- operations started in autumn 6, 2008. The rates of advance Kantonstraße gebaut, die wäh- scheidend war aber auch der 2007 and have been complet- varied substantially from 26 m/ rend 5 Jahren als Baustellen- Aspekt des Lärms: Mit dem ed. This work embraced exca- day to less than 10 m/day zufahrt dient (Bild 2). Sprengvortrieb wäre die vating the FIS (Finestra interme- (Fig. 4). Gemeinde Sigirino zu stark be- dia di Sigirino) access tunnel Together with the TBM drive Vorbereitungsarbeiten lastet worden. Der Fenster- and the installation chamber the fi rst chamber (Raccordo an- in Sigirino stollen hat eine Länge von (Caverna operativa). The con- ulare (RA), which joins the CPS In Sigirino standen bisher 2,3 km, ein Gefälle von 4,8 % tract section is worth some with the FIS) and the disassem- die Arbeiten für den „Zwi- und einen Durchmesser von 85 mil. CHF (2006 price level – bly chamber for the TBM were schenangriff Sigirino“ (Los 851) 9,70 m (74 m2). Die Tunnelbohr- without VAT). excavated using the CPS explor- im Vordergrund. Die Unter- maschine wurde am 15. Februar The exploratory tunnel CPS atory tunnel. The larger cham- tagearbeiten begannen im 2008 angedreht und bereits am (Cunicolo di prospezione ber was excavated following Herbst 2007 und sind abge- 6. November 2008 fand der Sigirino, 3.1 km long; 25 m2 the completion of the FIS to be schlossen.
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