Construction Journal

Keyword: tunnel

Alex tunnel: 100 percent lightened! © A. Reetz-Graudenz
Oct. 29, 2020

Alex tunnel: 100 percent lightened!

The ground above the Alex tunnel is 100% lightened, so it's ready for the passage of the new U5!

 

"A new tunnel through Berlin" - The photo book on the construction of the new U5 © BVG Projekt GmbH
Oct. 6, 2020

"A new tunnel through Berlin" - The photo book on the construction of the new U5

The new illustrated book "A new tunnel through Berlin" is now available. Today it was presented in the underground station Rotes Rathaus.

 

Thick things over the Alex-Tunnel © A. Reetz-Graudenz
Sept. 14, 2020

Thick things over the Alex-Tunnel

In the ground above the Alex tunnel there are 30 percent more lines than the plans indicate. An example of what this means in practical terms for the construction process.

 

Progress above the Alex tunnel © S. Niehoff
July 16, 2020

Progress above the Alex tunnel

Despite numerous challenges, the reduction of the load over the Alex tunnel is making progress.

 

Large format vacuum cleaning © S. Niehoff
July 10, 2020

Large format vacuum cleaning

This week, tunnel walls, tracks and ballast were cleaned with a huge vacuum cleaner.

 

Short circuit attempts successfully completed! © Jens Dietrich
May 29, 2020

Short circuit attempts successfully completed!

Another stage of the construction work has been taken: the conductor rail is on!

 

A tunnel on a diet: Work on the Alex tunnel is progressing. © A. Reetz-Graudenz
March 25, 2020

A tunnel on a diet: Work on the Alex tunnel is progressing.

The construction site above the Alex tunnel is in progress: Asphalt and concrete layers are being removed, pipes are being secured and relocated.

 

The Alex-Tunnel loses weight © A. Reetz-Graudenz
Dec. 2, 2019

The Alex-Tunnel loses weight

The lightening above the Alex tunnel reduces its load.

 

The Museumsinsel underground station takes shape © A. Reetz-Graudenz
Sept. 17, 2019

The Museumsinsel underground station takes shape

In the underground station Museum Island the shell construction is making great progress.

 

The ice age is over! © A. Reetz-Graudenz
July 10, 2019

The ice age is over!

The next major step in the shell construction of the Museum Island underground station has been completed on schedule: the inner shell in the two tunnel tubes has been finished. This marks the end of the largest inner-city ground freezing ...

 

Driving of the side tunnels at the underground station Museumsinsel © A. Reetz-Graudenz
Feb. 8, 2019

Driving of the side tunnels at the underground station Museumsinsel

Driving of the side galleries at Museum Island station is progressing successfully! Numerous hands and many machines are in operation 24 hours a day, seven days a week.

 

Tunnel breakthrough at underground station Brandenburger Tor © Reetz-Graudenz
March 22, 2017

Tunnel breakthrough at underground station Brandenburger Tor

Today the project "Lückenschluss U5" proclaims a real breakthrough.

 

Dismantling of the tunnels at underground station Museumsinsel © Reetz-Graudenz
Jan. 25, 2017

Dismantling of the tunnels at underground station Museumsinsel

Due to the completion of the shell construction at underground station Museuminsel, the dismantling of the tunnels has to be done.

 

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