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Old July 22nd, 2014, 06:44 PM   #61
dimlys1994
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From Rail Journal:

Quote:
http://www.railjournal.com/index.php...ml?channel=542

Construction begins on Brenner tunnel sections
Monday, July 21, 2014



CONSTRUCTION began on one of the largest lots of the Brenner Base Tunnel on 18 July, when excavation commenced on the northern section between Tulfes and Pfons near Innsbruck

A consortium of Strabag, Austria, and Salini-Impreglio, Italy, was awarded a €380m contract last month to carry out the work, which comprises a 9km emergency tunnel, which runs parallel with the existing Innsbruck bypass line, two connections totalling 9km between the bypass and the main running tunnels, and an exploratory bore along the first 15km section of the main base tunnel.

Construction of these tunnels should be completed by 2018. With the exception of the exploratory bore, which will use a TBM, blasting will be used to excavated the tunnels
Wish them good luck
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Old July 23rd, 2014, 10:41 AM   #62
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Anyone know what brand of TBM is being used?
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Old August 4th, 2014, 10:51 PM   #63
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Quote:
Originally Posted by KingNick View Post
There are weekly updates about the construction progress of the Brenner Base Tunnel available at http://www.bbt-se.com/en/project/construction-progress/

They seem to be nearing completion of the Adits ( access tunnels from the side)

Feb 2013.

May 2014.

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Old August 6th, 2014, 05:57 PM   #64
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Italy being an unreliable partner: I did not see this one coming... Renzi government apparently about to cut funding for the BBT under its Sblocca-Italia decree.

http://www.repubblica.it/economia/20...74/?ref=HREA-1

If the project fails eventually, I sure hope our government and the EU charge Italy every cent we've invested in this project so far.
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Old August 6th, 2014, 11:51 PM   #65
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Projects like these usually do not fail, they merely take another decade or two longer.
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Old August 6th, 2014, 11:56 PM   #66
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Old August 6th, 2014, 11:57 PM   #67
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Quote:
Originally Posted by StuZealand View Post
Anyone know what brand of TBM is being used?
i think herrenknecht
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Old August 7th, 2014, 09:48 AM   #68
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Quote:
Originally Posted by sponge_bob View Post
May 2014.
How did the middle tunnel at Mauls retreat so much?
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Old August 7th, 2014, 11:57 AM   #69
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It is a mistake in the drawing.

Quote:
Originally Posted by KingNick View Post
Italy being an unreliable partner
It's exactly because of that, that I would not be worried: it is also possible that what was approved with this decree will not be built, but something not included will (including the BBT). And IMHO, the BBT hass good chances to be built, even if in Italy nothing is sure until it is done.

*******

Another video in English: https://www.youtube.com/watch?v=fsbVQFREyvg
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Old August 10th, 2014, 03:19 PM   #70
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there are no concrete plans for it as for now.
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Old September 20th, 2014, 05:06 PM   #71
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Construction for the largest lot awarded so far, a 9 km long emergency tunnel, commenced on thursday. Construction volume is € 380m and was awarded to STRABAG/Salini-Impregilo. The tunnel runs parallel to the already existing single-tube Innsbruck bypass.


(blue tube from Tulfes)

http://tirol.orf.at/news/stories/2669030/
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Old September 20th, 2014, 06:32 PM   #72
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Could you please elaborate on the scheme you posted:

- This emergency tunnel (in blue, right?) is for the already existing Inntal tunnel. Is that right?
- Are those connecting tunnels (in purple) for trains bypassing Innsbruck?
- What happens to the yellow tunnel after the works are completed? Will it serve for rescue?
- What is the order of works? First access tunnels (green), then exploration tunnel (yellow), then the main bore (red) and connecting tunnels (purple). Is that so?

When is the digging of the main tunnel scheduled to start?
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Old September 20th, 2014, 06:58 PM   #73
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Quote:
- This emergency tunnel (in blue, right?) is for the already existing Inntal tunnel. Is that right?
Yes, because this tunnel is single-tube so far and is not equipped with an emergency tunnel.

Quote:
- Are those connecting tunnels (in purple) for trains bypassing Innsbruck?
Yes, they connect the Innsbruck bypass with the main tubes of the BBT.

Quote:
- What happens to the yellow tunnel after the works are completed? Will it serve for rescue?
Yes, and it will also serve as drainage.


Quote:
- What is the order of works? First access tunnels (green), then exploration tunnel (yellow), then the main bore (red) and connecting tunnels (purple). Is that so?
Purple tubes will be built in 2015, which also initiates the construction start for the main tunnel as said here: http://tvthek.orf.at/program/Tirol-h...tunnel/8462768 (online only for 7 days)
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Old September 20th, 2014, 07:18 PM   #74
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Thanks, that makes it pretty clear.
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Old September 21st, 2014, 11:16 AM   #75
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No, the yellow tunnel will not be used as a safety tunnel as it runs some metres below the main tunnels without frequent links to them (it will have some connections with the rest of the tunnel system, but not every ~350 m as in the Channel Tunnel).
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Old September 21st, 2014, 02:34 PM   #76
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Just checked again and you are right.
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Old October 22nd, 2014, 06:07 PM   #77
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Italy has dedicated another € 570m for the BBT in the upcomping state budget.

http://www.ilsole24ore.com/art/notiz...i-063646.shtml
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Old January 13th, 2015, 11:00 PM   #78
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Video from a visit (in 2014) to the Koralmtunnel construction side by a friend of mine:
https://www.youtube.com/watch?v=lrvfemGRw6g
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Old January 14th, 2015, 12:39 AM   #79
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What will happen to the old semmering railway when the tunnel is finished will they close the whole route or keep bits opened for tourists?
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Old January 14th, 2015, 01:08 AM   #80
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Regional train services will most likely continue the way it is today.
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