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Advances in Tunneling Technology

Advances in Tunneling Technology

Featuring a tailored high-end single-track program of subject-specific presentations that focus on innovation and practical experience, the sixth annual conference will continue the ... More Information

Robbins Slurry TBM ramps up for Mumbai Metro Line 3

Robbins Slurry TBM ramps up for Mumbai Metro Line 3

First of Two Mixed Ground Machines will begin boring this autumn. The first of two Slurry TBMs, a rebuilt 6.65 m (21.8 ft) diameter machine, passed its factory acceptance on September 4, 2017 ... More Information

The new co-extrusion system ALGAHER

The new co-extrusion system ALGAHER

Thanks to the effort made by ALGAHER’s Technical Team as well as the high implication of their suppliers, ALGAHER has developed a hydrophilic material to give a response to the growing needs of the market regarding to TUNNEL SEGMENT GASKETS. More Information

STUVA - Conference 2017 - registration in full swing / Conference program available

STUVA - Conference 2017 - registration in full swing / Conference program available

The registration to the STUVA- Conference, that will be held in Stuttgart, Germany from the 6th  to the 8th of  December 2017,  is in full swing and is available online. Use this ... More Information

Mumbai - Ahmedabad High Speed Rail (MAHSR)

On 11.09.2017  a ceremony was held for the start works for First High Speed Train Project (popularly referred to as the Bullet Train) between Mumbai and Ahmedabad. The actual works will ... More Information

Mumbai Metro Line 3

Mumbai Metro Line 3

On 04.09.2017 a 6.65-m diameter NFM Slurry TBM rebuilt by Robbins for the Mumbai Metro Line 3 project  passed the FAT (factory acceptance testing) in Singapore. The slurry TBM will be ... More Information

Shortlist for the 2017 NatWest Great British Entrepreneur Awards Announced

Shortlist for the 2017 NatWest Great British Entrepreneur Awards Announced

It has just been announced that Cardiff based tunneljobs Ltd CEO Samantha Heard – Evans has been shortlisted for the 2017 NatWest Great British Entrepreneur Awards in the #GoDo  ... More Information

Waterview tunnel opened to traffic

The 5km long Waterview Connection, which connects Auckland’s Northwestern (SH16) and Southwestern (SH20) Motorways, opened to traffic on 02.07.2017. Data shows there was a 20 minute time ... More Information

Castel Romano tunnel update

Castel Romano tunnel update

On 31.08.2017 the joint venture between Collini Lavori Spa (Trento), Costruzioni Casarotto Srl (Villa Agnedo, TN), Misconel Srl (Cavalese, TN) and Ediltione Spa (Tione, TN) broke through on the 1 km ... More Information

Final piece of the TBM Bertha removed from tunnel

Final piece of the TBM Bertha removed from tunnel

On the 04.04.2017  the TBM Bertha completed its tunnelling and on the 23.08.2017,crews lifted the final pieces of the 8,000-ton  out of the SR 99 tunnel’s disassembly pit near ... More Information

Purple Line Extension TBM art and naming contest announced

The Metro (Metropolitan Transportation Authority) in Los Angeles, is inviting students from kindergarten through to 12th grade to participate in an art and naming contest for the two TBMs that will ... More Information

Second and last extension of abstracts submission deadline for WTC 2018

Second and last extension of abstracts submission deadline for WTC 2018

It's a great pleasure to announce the second and last extension of the deadline for abstract submission to the ITA - AITES World Tunnel Congress 2018 that will take place in Dubai from 20 - 26 April ... More Information

CREG wins 15.8m slurry TBM contract

CREG wins 15.8m slurry TBM contract

On the 29th August 2017, CREG was awarded a new contract for the supply of a 15.8m slurry TBM. This TBM will be used for the Chunfeng tunnel project in Shenzhen and it will be the biggest slurry TBM ... More Information

TunnelTech 2017: Breaking ground in new technologies

TunnelTech 2017: Breaking ground in new technologies

TunnelTech 2017: Breaking ground in new technologies   26–27 September 2017 One Birdcage Walk, London   With an increase in tunnelling project investment and more tunnels having ... More Information

Five 2018 - Call for Papers

Manuscript abstracts for the 5th International conference on Fires in vehicles to be held in Boras (Sweden) from 3 to 4 October 2018 have to be submitted to the Secretariat by email to five@ri.se by ... More Information

2017 tunnelling awards shortlist announced

Tunnelling awards 2017  are delighted to announce the shortlist for the 2017 Tunnelling Awards. They would like to thank everyone who took the time to enter this year, and congratulate ... More Information

TERRATEC marks continued growth in the Turkish market

TERRATEC marks continued growth in the Turkish market

Terratec, the Australian-based TBM manufacturer, has secured an order to supply 4 new 6.56m diameter TBMs EPB for Istanbul’s Umraniye-Atasehir-Goztepe Metro Line from the Turkish tunnelling JV ... More Information

SpaceX´s Hyperloop Pod Speed Competition Winner - WARR Hyperloop 

SpaceX´s Hyperloop Pod Speed Competition Winner - WARR Hyperloop 

WARR Hyperloop team, which was put together by the Technical university of Munich from Germany, has won the SpaceX Hyperloop Pod competition on Sunday, with their prototype pod reaching a speed of ... More Information

Underground Solutions Seminar

Underground Solutions Seminar

A one-day only Bekaert Maccaferri Underground Solutions Seminar will take place at the Institution of Mechanical Engineers, Birdcage Walk, London on the 13.09.2017. Items on the agenda are: ... More Information

Algeria - Breakthrough in tunnel RT3030

Algeria - Breakthrough in tunnel RT3030

The Italian company Cipa SpA (Sorrento, NA) have been building two tunnels RT3010 (1120m) and RT3030 (660m) for the new railway line (185km) Relizane - Tiaret - Tissemsilt (RTT) in Algeria. On ... More Information

Reducing risk: How to manage the unknown in tbm tunneling

Reducing risk: How to manage the unknown in tbm tunneling

How can you better prepare for unknown challenges in your tunneling operation while keeping the excavation process as efficient as possible?   In this complimentary 60-minute webinar from ... More Information

BASF Technologies - TBM 

BASF Technologies - TBM 

Highly efficient products optimize TBM performance The MasterRoc product range offers a single source of solutions for shielded TBM (tunnel boring machine) excavation in soft ground and hard rock, ... More Information

Gleinalm Tunnel opened to traffic

Gleinalm Tunnel opened to traffic

On 21.07.2017, after a 3 years and 10 months of construction, the second tube of the Gleinalm tunnel in Styria, Austria has been opened to traffic. The joint venture of Wayss & Freytag ... More Information

TunnelTurkey 2017 - call for papers

The International Tunneling Symposium in Turkey has issued a call for papers which are due in by the 11th  September 2017. Tunnel Turkey 2017 will be taking place at the Wyndham Grand İstanbul ... More Information

What’s in a Name? Mixshield, Crossover, Hybrid and More

Posted by Doug Harding | Aug 01, 2017 | Redefining the Industry For underground construction professionals and manufacturers, there is some confusion about the current TBM designations and ... More Information

Cregs new Hard Rock Gripper TBM unveiled

Cregs new Hard Rock Gripper TBM unveiled

On August 1st, a 9.03 m hard rock TBM named ‘‘Caiyun’’ was unveiled in spring city Kunming. This big machine was designed and manufactured by CREG, and has been integrated ... More Information

New tunnel solutions from JOHNSON CONTROLS

New tunnel solutions from JOHNSON CONTROLS

Johnson Controls, a global leader in building technologies, is pleased to announce the newest addition to its TYCO line of special application sprinklers with the launch of the MODEL ... More Information

Robbins Double Shield Takes on Nepal’s First TBM Project for Bheri Babai

Robbins Double Shield Takes on Nepal’s First TBM Project for Bheri Babai

Irrigation and Hydroelectric Project to Ease Food Crisis in Mid-Western Region of Nepal   Nepal will welcome its first TBM ever this summer, a 5.06 m (16.6 ft) diameter Double Shield machine ... More Information

Agua Negra tunnel

On 25.07.2017, the EBITAN ad hoc committee (Entidad Binacional Túnel de Agua Negra) held an important meeting with the Administration Committee in Santiago de Chile. The objective was the ... More Information

tunnelbuilder welcomes BASF Construction Chemicals

tunnelbuilder welcomes BASF Construction Chemicals

BASF’s Construction Chemicals division offers advanced chemical solutions under the global umbrella brand Master Builders Solutions for the construction, maintenance, repair and renovation of ... More Information

Crossrail Project Update, August 2017

Crossrail Project Update, August 2017

The Crossrail project team continues to work around the clock to deliver the Elizabeth line, the new railway for London and the South East. Over the summer the final central station platform was ... More Information

WTC 2018 - Dubai

WTC 2018 - Dubai

The world tunnel congress will be held in Dubai from the 20th to the 26th April 2018. For more information please visit their website www.wtc2018.ae and see their video.  The call for ... More Information

ALIGN consortium is awarded a flagship HS2 civil works contract

ALIGN consortium is awarded a flagship HS2 civil works contract

High Speed Two (HS2) Limited today announced that ALIGN, the bidding joint venture (JV) of Bouygues Construction, Sir Robert McAlpine, and VolkerFitzpatrick, with its design partners, Jacobs and ... More Information

Shortlisted projects announced for ITA Tunnelling Awards in Paris

Shortlisted projects announced for ITA Tunnelling Awards in Paris

November 13-16 2017 will see leading international specialists in the global tunnelling sector attend the AFTES Congress in Paris which will include a special one-day event: November 15 will be ... More Information

2018 graduate program opens in Melbourne

2018 graduate program opens in Melbourne

Applications are now open for the 2018 Graduate Program. The Graduate Program provides recent graduates the opportunity to work with world-class industry experts on four of the biggest megaprojects ... More Information

The Har HaMenuchot project – a tunnel for burials

The Har HaMenuchot project – a tunnel for burials

“Har HaMenuchot is the largest cemetery in Jerusalem, Israel. The hilltop burial ground lies at the western edge of the city adjacent to the neighborhood of Givat Shaul, with commanding views ... More Information

Tunnelling News

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information