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Underground Structures News

TU Delft starts drilling for geothermal project to heat campus and gather data

The large-scale geothermal project that started preliminary drilling on TU Delft campus in December 2022 secured a further €17.9 million funding and is set to drill its 2.5 km deep wells during the s...

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Starship’s crater on the launch pad and the purpose of flame trenches

Some footage emerged from the Starship’s launch pad after it took off on April 20, showing a crater left by the fumes of its enormous engines under the Orbital Launch Mount (OLM). Another video sho...

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Vancouver’s Broadway Subway Project TBM breaks through Broadway City Hall Station

Elsie, one of the two tunnel boring machines used in Vancouver’s Broadway Subway Project marked a significant milestone on April 14, when it reached the Broadway City Hall Station. The Broadway Subw...

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Kolkata metro marks historic moment with maiden run in India’s first underwater metro tunnel

The Kolkata metro marked a significant milestone on Wednesday, April 12, with the maiden test run in India’s first underwater metro tunnel, stretching under the Hooghly River. Furthermore, Kolkata...

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Final design of HS2 Chiltern Tunnel’s North Portal revealed

High Speed 2 (HS2) revealed the final designs of Chiltern Tunnel’s North Portal on Tuesday, March 21st. The North Portal is the last of seven key structures in the tunnel’s design, which will be v...

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Contract for subway station and tunnel in Oslo awarded to Implenia

The contract for the K2D Skøyen to Vækerø project was awarded on the 16th of March. K2D Skøyen to Vækerø is part of the new Fornebu subway line in Oslo, which will have a total length of 8.2km....

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Second sinkhole opens behind condo complex in La Habra, California

A second sinkhole appeared at the Coyote Village Condos in La Habra, California, right next to one formed in January 2019. Furthermore, the sinkhole appeared around 9 p.m. on Wednesday, March 15, fo...

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World’s longest purpose-built pedestrian and cycle tunnel is set to open in Norway soon

The world’s longest purpose-built tunnel for bicycles and pedestrians is set to open on the 15th of April in Bergen, Norway. The Fyllingsdalen tunnel will run 2.9km long, through the Løvstakken mou...

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PLAXIS 2023.1 New release is out!

The latest releases of PLAXIS marks our definitive transition to becoming part of Seequent, The Bentley Subsurface Company, with some minor cosmetic changes and a change to the version numbering. Ben...

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Fehmarnbelt Tunnel: The longest underwater rail and road tunnel in the world will connect Germany and Denmark

An 18-kilometer underwater tunnel will soon connect Germany and Denmark. It should be mentioned that when it is finished, in 2029, the Fehmarnbelt Tunnel will be the longest combined rail and road tu...

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