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Old January 21st, 2007, 03:53 AM   #61
Songoten2554
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wow this project is awesome and cool i mean come on the Gotthard Base Tunnel is The Longest Tunnel in the World and is currently in Construction which is great and also the other Tunnel is going to be opening this year how cool is that keep it up
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Old January 22nd, 2007, 06:47 PM   #62
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Because of the opening of Lötschberg Base the train fares will increase

Fortunatly I already bought my General Abonnement (Swiss railpass)
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Old February 4th, 2007, 12:17 PM   #63
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I just bought my GA for this year, fourtantly I still had to pay the old fare.
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Old February 5th, 2007, 02:03 PM   #64
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Great thread ... keep those pictures (& graphs, etc.) coming!
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Old February 16th, 2007, 02:59 AM   #65
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Hello tunnel fans! I think you deserve an update...


Communiqué of 01.02.2007

66.74 percent of the Gotthard Base Tunnel excavated

On February 1, 2007, of the total of 153.5km of tunnels,
galleries and passages of the Gotthard Base Tunnel, 102.33km
or 66.74 % had been excavated.
The total amount driven in January 2007 was 264 metres.





Status of the Work in Gotthard North (Altdorf/Rynächt)

No animated graphic available

In Lot 002, Renaturing Walenbrunnen, the structural work
will be completed by mid-February 2007. Planting will be done
in spring. The new Schachengasse (Lot 005, Preparatory Work Rynächt)
was opened to traffic on January 26, 2007. Thanks to the new section,
the construction site traffic can be largely separated from
the individual traffic and the safety of all road users thereby
increased. On January 29, 2007, the first part of pressing
the SFR main line was done. Work on the Rynächt underpass
(Lot 006) is continuing on schedule.

Overview of Altdorf-Rynächt




Status of the Work in Erstfeld

http://www.alptransit.ch/pages/e/akt..._erstfeld.php#

The forest road was accepted on December 13, 2006.
On January 22, 2007 a further transformer station for
the surface installation site was put into operation.
On Lot 110, Material Processing, various installation
jobs are in progress. In the next few days/weeks, the
Board of Directors will decide on the award of Lot 151,
Tunnel Construction Erstfeld.

Gravel train of Erstfeld conctruction site




Status of the Work in Amsteg

http://www.alptransit.ch/pages/e/akt...nd_amsteg.php#

In the east tunnel, preparations are being made for
drilling and blasting. In the area of the Intschizone,
the tunnel cross section is being modified along a length
of 105m . Four cable junction vaults for the 132 kV
cable have already been excavated. In the west tunnel,
dismantling of the Gabi II TBM is continuing. Of the 37
connecting galleries in total, 35 have been excavated.
In 31 connecting galleries, the concrete inner lining is
in place. In the cable duct, 25% of the cable conduit
(for the future power supply to the railway) has been installed.

Dismantling of TBM




Status of the Work in Sedrun

http://www.alptransit.ch/pages/e/akt...nd_sedrun.php#

The distance remaining to the Sedrun/Amsteg section
boundary is 337m in the east tunnel and 297m in
the west tunnel. The transitional area to the Clavaniev
zone was investigated on January 16, 2007, with a
186-meters-long core bore. The southward drive is
approximately 1,300m below the area of the Nalps
reservoir. In the east tunnel, driving has been suspended
for further exploration of an interference zone. The sealing
measures in the west tunnel are currently being concentrated
on the sealing screen around the tunnel. The shafts of
the south ventilation tunnel system have been excavated.
Both of the north waiting halls of the Porta Alpina have
been completely excavated and supported. At the end of
January 2007, excavation of Waiting Hall 2 was started in the south.


Shaft bottom




Status of the Work in Faido

http://www.alptransit.ch/pages/e/akt...and_faido.php#

On January 3, 2007, relocation of the west TBM was
started. The front part of the TBM was transported
to the area of the transverse cavern and parked there
temporarily. Both drives in the north of the MFS are
still passing through Lucomagno gneiss. Besides
excavation and supporting operations, work is also
proceeding on reprofiling and repairing localized areas
with underdimensioned cross section. Installation and
repair work on the east TBM is in progress. In the west
dismantling cavern south, the cutting head has been
completely dismantled and transported away. In the
Faido section, construction of the invert with the
backup train has already reached 600m and is 550m
away from the transverse cavern.

Mantling of TBM




Status of the Work in Bodio

http://www.alptransit.ch/pages/e/akt...and_bodio.php#

In both the west tunnel and the east tunnel,
the reprofiling work is proceeding as planned.
The daily advance rate is approximately 2m per
tunnel. To date, 75m have been reprofiled in
the west tunnel, 31m in the east tunnel. For
the complete reprofiling distance of around
1200m, the work is expected to take until the
start of 2008. In the drilling and blasting area
of the east tunnel, the concreting work for the
tunnel lining is continuing. To date in the east
tunnel, 79% of the total tunnel lining has been
completed, in the west tunnel 82%.

Installation of lining machine in east single-track tunnel




Status of the Work in Gotthard South (Biasca)

No animated graphic available

At Buzza di Biasca, excavation work for the
collection basin of the Riale Vallone (Lot 609)
has started. This work has been coordinated
with the municipality of Biasca. Evaluation of
the tenders for the award of the collecting
basin (Lot 609.3) is in progress. Up to the end
of December 2006, 35,000 tonnes of old hazardous
waste had been removed from the disposal site
at Giustizia (about half of the total amount).

Overview of overground section at Biasca
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Old February 16th, 2007, 03:11 PM   #66
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Status of the Work at Ceneri tunnel (15.4 km)

Camorino The preparations for execution of lots 711 and 714 (preloading, noise abatement embankment, relocation of the cantonal road and permanent road junctions) are in progress. The work will start in mid-March 2007. Construction of the supporting structure for the temporary bridge over the cantonal road (Lot 715) is in progress. The offices for the local construction management and the information building (Lot 712) have been erected. For lots 712 and 715, various items of external and completion work are scheduled to take place by mid-April 2007. Sigirino The award of Lot 851, underground work CAOP and FIS has become legally binding. An appeal has been submitted. The contract with the CMC consortium can therefore be signed. The work will soon be started. Tenders for Lot 853, underground work Vigana, were invited in mid-December. An on-site inspection with potential tenderers took place on January 17, 2007. The tender invitation documents for the Tunnel Main Lot 852 are being prepared. Work on the A2 underpass at Morenzee, and on the foundations for the construction site bridge at Vedeggio, is in progress. The construction site areas for the construction site accommodation and railway siding are being prepared. The temporary motorway junction for the Sigirino construction site was put into operation in December 2006.

Detailed information about the Ceneri Base Tunnel (PDF).

Other tunnels are planned (some are drawn in violet and green in the PDF file linked above), some of them would link directly to the Gotthard tunnel under cosntruction, bringing its lenght to 75 to 80 km.

There are other similar projects in the Alps, the Lötschberg basis tunnel (35 km, opens June 2007), the new Lyon-Turin railway (main tunnels would be 20+20+52 km), and the new Brenner line (main tunnel 56 km, plus acces lines mainly in tunnel).

The Lyon-Turin and Brenner lines are planned, some initial works are being done, but it is not known if they will be built or not.
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Old February 27th, 2007, 11:21 PM   #67
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Deadeye Reloaded, many thanks for your constant updates. It is much appreciated.
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Old March 21st, 2007, 05:01 PM   #68
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Article in the BBC

Here's a link to an article in the BBC which gave a good overview of the project:
http://news.bbc.co.uk/2/hi/europe/6471241.stm

There are several links from the article including this one for the Porta Alpina project (in German):
http://www.visiun-porta-alpina.ch/

There's a video showing an animation of the underground train station at Porta Alpina if you look in the right-hand margin at the top. Again, it's all in German.

Some highlights from the article:

* The initial budget for the project has "soared from about $8bn (£4bn) to almost $15bn and final completion is unlikely to be before 2018."

* I was unfamilar with the Porta Alpina project: "The original plans for the tunnel involved trains rushing beneath the Alps without stopping. But in Sedrun a 1,000-metre elevator and underground railway station have been built just to get the workers to the construction site."All the infrastructure is already there," points out Arthur Loretz. "What we want to do is use it in the future." The plan is to create a station, deep in the mountains, known as "Porta Alpina" (Gateway to the Alps)."

* Once completed, the trains will "reach speeds of 240km/h (149mph), reducing the travel time between Zurich and Milan from today's four hours to just two-and-a-half. That would make the journey faster than flying."

* "The scale of the work going on is enormous: 2,000 people are working on the tunnel, 24 hours a day, 365 days a year."


It really is an impressive project.
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Old March 21st, 2007, 05:36 PM   #69
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I read there is an exhibition center in Faido - I want to visit it as soon as I find the time and take some pics
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Old March 21st, 2007, 08:57 PM   #70
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In Faido I don't know.

There is one in Bodio.
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Old April 23rd, 2007, 08:01 PM   #71
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Quote:
Originally Posted by Tubeman View Post
I was curious, and I suppose this applies to all long tunnels, what's its shelf life considering the Alps are still actively being thrust upwards due to tectonic activity?

Will it start to crack in a few years? At what point will it start to become too misaligned?

Not soon, I'm sure... But you get my point?
No one seemed to answer this question., so here is an attempt.

Most tetconic activity is measured in millimeters per century which translates in relatively small shifts when compared to abjustments which are made during ballast renewal on a regular basis. Inflexible concrete slabs may present a problem.

The major issue is catastrophic geologic events such as earthquakes. I was once asked to review a proposal for a railroad tunnel which would cross the San Andreas fault in California. The requirements called for the tunnel and track to be able to withstand a lateral shift along the fault of more than 3 meters with less than 48 hours of down time! I considered that an ambitious, expensive but doable objective. This requirement applied only known faulting.
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Old April 25th, 2007, 03:19 PM   #72
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Quote:
Originally Posted by Tubeman View Post
I was curious, and I suppose this applies to all long tunnels, what's its shelf life considering the Alps are still actively being thrust upwards due to tectonic activity?

Will it start to crack in a few years? At what point will it start to become too misaligned?

Not soon, I'm sure... But you get my point?
As things go, I would thought the European Alps were pretty stable.

When was the last notable earthquake in that region, for example?
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Old April 25th, 2007, 04:43 PM   #73
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^ Is tectonic and/or seismic activity a problem with the existing 100+ year-old tunnels through the Alps? If not, then I guess it won't be for these new tunnels either.
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Old April 25th, 2007, 08:16 PM   #74
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There are small earthquakes on a daily basis in Switzerland but they are only small. And the tunnel is not located in an area that has lot's of earthquakes. The last notable earthquake in Switserland was in 1946 in Sitten-Siders with a probable magnitude of 5.7 and didn't do much damage. The earthquake in Basel in 1356 with a magnitude of 6.2 did more damage and had a deathtoll of around 300. So there is always a chance of a big earthquake, but it probably won't be a problem. Look at Japan, there are lot's of tunnels that are build in areas with lot's of seismic activity.

A bigger problem are the forces in the mountain that could be a problem when they become too big and start effecting the tunnel. The tunnels ofcourse will be monitored on little changes that could lead to bigger problems.
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Old June 9th, 2007, 11:04 AM   #75
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After 8 years of construction the 34,6 km long Lötschberg Base Tunnel will be opened next Saturday, June 16th!

There will be festivities on both ends of the tunnel in Frutigen and Visp with info tours and catering. There will also be a LBT shuttle that runs every half hour trough the tunnel, but you need to reserve a seat for CHF 10.00.

http://www.blsalptransit.ch/en/home/...oeffnung_e.htm

~~~~~~~~~~~~~~~~~~
And some Gotthard Base Tunnel news, the decision to build the Porta Alpina station has been delayed until 2012. There are still serious questions about
the costs and especially the actual operation of the station.
http://www.visiun-porta-alpina.ch/

One of the problems is that the lift can only take 80 persons out of the station at once. In peak periods the amount of travelers is predicted at over 300 people per train. This means that not everybody can leave the underground station in one go, resulting in 30 minute delays. This has big operational problems because when there are still people on the platform the train cannot leave due to safety reasons. New waiting rooms that are sealed of from the tunnel has to build.
Travelers from Sedrun to the train also has to take a delay into account, if you come late when it's busy there is a big possibility that the bus to the lift and the lift itself is full and then miss your train. The question is if people won't mind the complex and long trip from the train to Sedrun.

When in 2012 they decide to still go through the station will be operational 3 years after the completion of the tunnel in 2018
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Old June 9th, 2007, 07:11 PM   #76
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The opening of the tunnel is expected in 2018.

But it looks me strange, boring of the tunnel will probably be finished in 2011. That is, 7 years to complete the tunnel, laying tracks and do the tests seems to me too much time.
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Old June 9th, 2007, 07:12 PM   #77
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Congratulations re. the Lötschberg Base Tunnel!
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Old June 9th, 2007, 08:19 PM   #78
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@Coccodrillo

You're right, I promptly wrote the old opening year down. Although the Alptransit website still says it will be completed late 2016.
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Old June 15th, 2007, 12:39 PM   #79
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Loetschberg tunnel - Grand opening

Today the Loetschberg Tunnel was officially opened! It has been completed exactly in time and costed 4.3 billion Swiss Francs. Meanwhile the Gotthard Basis tunnel costs more and more every day and its opening was postponed again to 2017.
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Old June 15th, 2007, 12:51 PM   #80
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A collection of video-reports can be viewed here:

Gotthard:
http://www.sf.tv/sfwissen/dossier.ph...38&navpath=pol

Porta Alpina:
http://www.sf.tv/sfwissen/dossier.ph...30&navpath=pol

NEAT in general:
http://www.sf.tv/sfwissen/dossier.ph...07&navpath=pol
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