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Tunneling News

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Rock Your Underground Construction With PLAXIS

Underground construction is a complex endeavour. Leveraging rock masses as engineering materials requires overcoming many challenges. Any work needs to be carried out from within a heterogeneous,...

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PLAXIS 3D – Traditional Tunnelling Method: Application Of MTM

This article aims, firstly, to enhance the current design approaches, via a new 2D approach based on a calibration with a 3D SSI model; secondly, to contribute for a more informed design when a 3D mo...

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Snowy 2.0 tunnel boring machine remains stuck after a month

Snowy Hydro released an update regarding the state of its 2,000-ton, 134m-long tunnel boring machine (TMB), which has been stuck in hard rock for a month. Furthermore, it was originally announced on...

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Kazakhstan’s first automobile tunnel set for completion in 2024

Kazakhstan’s Minister of Transport, Marat Karabayerv, stated that the country’s first road tunnel is going to be completed by the end of the year. Furthermore, the twin tunnel is going to measure 84...

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One of the world’s largest tunnel boring machines is ready for delivery

It was announced on June 4 by German tunnel boring machine (TBM) manufacturer, Herrenknecht AG, that one of the world’s largest TBMs is currently being dismantled for delivery. The TBM, called Shanh...

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PLAXIS 2D – Traditional Tunnelling Method: Application Of MTM

The Traditional Method of Madrid is a method for tunnel construction that has been used for tunnelling in the Madrid Metro network since 1917 (Melis Maynar, M. 2012). The method uses a distinctive ex...

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Implenia-led joint venture secures second contract for major Norwegian sub-sea road tunnel

A joint venture between Implenia and Stangeland Maskin was awarded a second contract, worth CHF 540 million (€556.7 million), by the Norwegian Public Roads Administration, for the Rogfast project. T...

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Webuild-NGE joint venture awarded €1.38 billion Grand Paris Express Line 15 contract

It was announced on May 30 that a €1.38 billion contract for the construction of Grand Paris Express’ Lot 2 of the Western section of Line 15 was awarded to a joint venture between Webuild and NGE....

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€6 billion underwater tunnel could connect Spain and Morocco by 2030

It was recently reported that financial and strategic feasibility studies are currently underway for a very ambitious underwater tunneling project that would connect the European and African continen...

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California’s proposed water tunnel estimated to cost $20.1 billion

A new cost-benefit analysis regarding California’s Delta Conveyance Project was released on May 16, raising its expected cost to $20.1 billion from 2020’s $16 billion estimate. Furthermore, the Delt...

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