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Grand Paris Express update

Grand Paris Express update

In July TBM Sarah was launched from its shaft at Aubervilliers for its journey towards the Saint-Denis Pleyel station. It will arrive at the Finot site at Saint-Ouen-sur-Seine and then it will drive ... More Information

Grand Paris Express - Breakthrough for TBM Koumba

Grand Paris Express - Breakthrough for TBM Koumba

On 20/07/20 the TBM Koumba arrived at the future Europa service facility in Orly on the extension of line 14 south: click here for the video.  The TBM will resume excavation in about two ... More Information

Grand Paris Express tunnel works restarted

 Grand Paris Express tunnel works restarted

Line 15 - On 18/06/20 the TBM Amandine, who started out from the Arcueil Cachan station (Line 15, lot T3C), broke through the wall of the future Villejuif IGR (Institut Gustave Roussy) station. The ... More Information

Grand Paris Express - 3 New TBMs for Lines 16 and 17

Grand Paris Express  - 3 New TBMs for Lines  16 and 17

On the 5th of February 3 new TBMs manufactured by Herrenknecht were christened at the Verden site in Le Bourget, France. The consortium led by Eiffage-Génie Civil will use them to carry out ... More Information

Grand Paris Express - TBM Allison

TBM Allison has reached Villejuif IGR station on Line 14 South after  six months excavation. The station will connect Line 14 South and Line 15 South of the Grand Paris Express (Lot GC02) by ... More Information

Grand Paris Express – Update

Grand Paris Express – Update

Line 14 - On the 12th October 2019 during the KM7 event at the Saint-Denis Site, the name of the third TBM to be used for the  line 14 construction on the Grand Paris Express was announced. The ... More Information

Grand Paris Express update

Grand Paris Express update

On Saturday 14th September, 2019 at the Braque pit site in Aulnay-sous-Bois the first TBM for the Grand Paris express was christened. The TBM was named Armelle after Armelle Martin who saved a ... More Information

Grand Paris Express update

Grand Paris Express update

On 19.07.2019 the teams of the Horizon Consortium (Bouygues Travaux Publics / Soletanche Bachy / BESSAC) - working on lot T2A of Line 15 South of the Grand Paris Express - left the construction ... More Information

Grand Paris Express – Ten new TBMs by 2019

Grand Paris Express – Ten new TBMs by 2019

During 2019 ten new TBMs will be launched to be used as part of the Grand Paris Express tunnel construction. Currently  two TBMs are being assembled for line 16 in Schwanau, at the Herrenknecht ... More Information

WTC 2019 & the 45th ITA General Assembly

WTC 2019 & the 45th ITA General Assembly

It’s just one month to go before the beginning of the annual international congress for the engineering sector dedicated to underground construction! The World Tunnel Congress and ITA 45th ... More Information

4th TBM for the Grand Paris Express

4th TBM for the Grand Paris Express

On the 7th of February the shield for the fourth TBM, which will drive 3.4 km of the Line 15 South for the Grand Paris Express was lowered into place. The TBM will begin its journey at what will ... More Information

GETECH srl Centrifugal Plants

GETECH srl Centrifugal Plants

GETECH srl can count on consolidated experience, thanks to 30 years of research, development and application in the field of solid/liquid separation with Centrifugal Plant up to more than 150mc/h. ... More Information

3rd TBM for the Grand Paris Express

3rd TBM for the Grand Paris Express

On the 1st if December 2018 the third TBM for the Grand Paris Express project will be launched. The celebrations will include a light show which will be open to everyone who wants to see ... More Information

Dos Santos International – Paris tunnelling project

Dos Santos International – Paris tunnelling project

DOS SANTOS INTERNATIONAL STARTS UP FIRST OF TWO SANDWICH CONVEYORS FOR PARIS TUNNELING PROJECT Marietta, GA - Dos Santos International is now starting up one of two DSI GPS (Gently Pressed ... More Information

First TBM launched for Grand Paris Express

First TBM launched for Grand Paris Express

On the 03.02.2018 at the Champigny Plateau site the launch and the christening of the first TBM on the Grand Paris Express took place. Nearly 4,000 people attended the event and watched the ... More Information

Launch of the first TBM for the Grand Paris Express

On the 03.02.2018 the first TBM for the Grand Paris Express line will be named and launched at Champigny-sur-Marne (Ile de France) at around 5.30 pm. A decisive step in the progress of the works ... More Information

GRAND PARIS EXPRESS the 500th project for CBE Group

GRAND PARIS EXPRESS the 500th project for CBE Group

In its 30th anniversary year CBE Group a French company signed a contract for its 500th project. The project is to support GIE ALLIANCE  with the building of line 15, South of the Parisian ... More Information

TBM for Grand Paris Express ready

TBM for Grand Paris Express ready

The TBM for the grand Paris Express is now ready to start. The TBM was christened Magaly on the 09.09.2015 it is the first of two TBMs that will dig the tunnel for the extension of line 14. The ... More Information

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Tunnelling News

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information

China's first vertical large model for tunnel, underground space sector released

The project which is in the Guangdong-Hong Kong-Macao Greater Bay Area. The model helps make tunnel construction safer, higher-quality, more efficient and ... More Information

BMC Begins Major Water Supply Upgrade Mumbai

The project commenced in 2023 and has adopted tunnel boring machine (TBM) technology to minimise surface disruptions in crowded neighbourhoods. Of ... More Information

Slurry tunnel boring machines to be deployed for Bengaluru Twin Tunnel Road Project

B-SMILE opts for slurry TBMs over hard rock TBMs for Twin Tunnel Road project in Bengaluru due to mixed terrain... More Information

Tunnel along railway linking Shenzhen and Shanwei special cooperation zone under construction

Technicians check a tunnel boring machine (TBM) at the construction site of a tunnel in Pingshan, Shenzhen City, south China's Guangdong Province, Aug ... More Information

Construction staging area approved for Nashville's airport tunnel project

The Music City Loop will be a 10 mile tunnel connecting downtown Nashville to the Nashville International Airport (BNA)... More Information