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Tunneling News

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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Excavation of Virginia’s first-ever bored road tunnel completed

It was recently announced that a tunnel boring machine (TBM) named Mary made its final beak through on April 17 for the first bored road tunnel in the history of the state of Virginia. Furthermore, t...

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Dublin airport’s €200 million tunnel receives planning permission

An Bord Pleanála, which is, among other things, Ireland’s national independent statutory body to determine appeals on planning, recently granted the Dublin airport operator planning permission for a...

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Dredging of the 18 km-long Fehmarnbelt Tunnel trench completed

It was announced on April the 16th, 2024, that a major milestone was reached for the construction of the world’s longest immersed tube tunnel, the Fehmarnbelt Tunnel, which will connect Denmark to Ge...

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LA Metro celebrates tunneling completion of Puprle (D Line) Extension to Westside

It was recently announced that the Los Angeles Metro celebrated the tunneling completion of its 9-mile D Line/Purple Line extension on April 2, 2024. Furthermore, tunneling for the Purple Line Extens...

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