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Big Australian order for NFM

Big Australian order for NFM

NFM Technologies has received an order to supply four 6.99 m-diameter hard rock TBMs to the North West Rail Link in Sydney, Australia. More Information

Datwyler reliable sealing systems

Datwyler reliable sealing systems

Datwyler has taken a foundation sponsorship at tunnelbuilder.es, the Spanish-language edition of tunnelbuilder.com aimed at Spanish-speaking tunnelling engineers working in countries across the globe. More Information

tunnelbuilder readership

The number of visitors to tunnelbuilder websites exceeded 620,758 in the past 12 months, with tunnelbuilder.com alone averaging more than 1,000 visitors/day. More Information

CIFA and Zoomlion celebrate

CIFA and Zoomlion celebrate

CIFA has celebrated its 85th anniversary and the fifth anniversary of its acquisition by Zoomlion Group. On 12.09.2013 CIFA officially opened its renovated Senago headquarters and production building More Information

Second Gotthard tube

On 13.09.2013 the Swiss Federal Council sent to Parliament a proposal amending the Federal Law on road transit in the Alpine region to allow the construction of a second tube for the Gotthard tunnel without increasing capacity. More Information

PPS guidance for the world

PPS guidance for the world

PPS has taken a foundation sponsorship at tunnelbuilder.es, the Spanish-language edition of tunnelbuilder.com aimed at Spanish-speaking tunnelling engineers around the world. More Information

Maddalena survey tunnel

Maddalena survey tunnel

Assembly of the TBM is underway on the site of La Maddalena in Val di Susa, Italy. Excavation of the first 200 m of the 7.5 km-long survey tunnel of La Maddalena More Information

London Power Tunnels

The latest milestone in Costain’s EUR230 million contract on National Grid’s London Power Tunnels project, which is being constructed with Skanska, More Information

More work on Granada motorway A7

The Board of Ministers authorized additional work for the Almunecar (Taramay) - Salobrena (Lobres) section on the motorway A7, in the province of Granada, estimated value EUR30.12 million. More Information

tunnelbuilder archive

The tunnelbuilder archive is a unique reference of 15 years’ operations in the global tunnelling industry, covering short and long projects from inception to completion, More Information

Big NFM EPB docks in Sicily

Big NFM EPB docks in Sicily

The largest parts of the EPB TBM built by NFM in France have arrived by ship in Porto Empedocle, in the province of Agrigento. More Information

Putzmeister at PeruMin

Putzmeister at PeruMin

Putzmeister is exhibiting at the Mining Technology Exhibition hosted by PeruMin at Arequipa 16-20th September, 2013. More Information

CBE a step ahead in China

CBE a step ahead in China

CBE Group is present in 18 Chinese cities and with a manufacturing plant in Yangling. More Information

Gerald Karch heads Putzmeister

Germany-based concrete and mortar technology specialist Putzmeister has appointed Dr Gerald Karch as CEO to succeed Norbert Scheuch. More Information

News from Sluiskil

On 08.08.2013, 11.34 m-diameter Herrenknecht TBM Boorbara began excavation of the south tube of Skuiskil tunnel under the Ghent-Terneuzen canal. Excavation of the north tube, which started on 27.01.2013, ended mid-May. More Information

Eurasia tunnel excavation schedule

For driving the Eurasia tunnel beneath the Bosphorus, Turkish-South Korean construction consortium Yapı Merkezi Insaat ve Sanayi AS/SK Engineering & Construction ordered a specially developed 13.6 m-diameter Herrenknecht TBM Mixshield. More Information

Marti chooses Sandvik for Solbakk

Marti chooses Sandvik for Solbakk

Marti Group will employ four intelligent computer-controlled Sandvik DT1 series jumbo drilling rigs at 14.3 km-long Solbakk tunnel, the world’s longest subsea road tunnel More Information

Railworld summit in Bangkok

For those who like railways, metros and tunnels, the ninth Railworld Summit takes place in Bangkok, Thailand 23-25th October, 2013. More Information

BTS London conference

The British Tunnelling Society conference and exhibition is billed as the UK tunnelling event of the year, with over 50 booths sold. More Information

Australian conference call

Call for papers for the fifteenth edition of this triennial event to be held at Hilton Hotel, Sydney 17-19th September, 2014. More Information

Four Robbins EPBs for Brazil

Four Robbins EPBs for Brazil

Metro Fortaleza will be the first application of Robbins EPBs in Brazil. Four 6.92 m-diameter machines have been ordered ahead of contractor selection. More Information

ExpoTunnel in Bologna, Italy 17-19 October 2013

ExpoTunnel in Bologna, Italy 17-19 October 2013

The first edition of the trade show dedicated to all product sectors related to underground, for the creation of underground works as well as the investigation and exploration of ground conditions, will take place on 17th-19th October, 2013 at Bologna Fairground. More Information

SR99 TBM starts digging

SR99 TBM starts digging

On 30.07.2013 TBM Bertha, involved in the Alaskan Way Viaduct Replacement More Information

Sandvik drilling rigs for Sakarya

Sandvik drilling rigs for Sakarya

Contractor Bayburt has ordered seven Sandvik rigs for its Turkish State Railway project More Information

iPS seeking TBM professionals

International recruitment consultant iPS is currently looking for personnel for an upcoming project in Europe starting mid-September. More Information

San Giorgio/Brunico bypass proposals

Florian Mussner, provincial commissioner of public works at Bolzano, presented the 13 variants for the construction of a bypass in San Giorgio/Brunico. More Information

Mom Chung bites dirt at San Francisco

On 26.07.2013 the Robbins EPB, named Mom Chung, started digging, kicking off construction of San Francisco’s new subway tunnel. More Information

TBM Martina ended Sparvo tunnel

TBM Martina ended Sparvo tunnel

On 29.07.2013, after only eight months tunnelling, the 15.62-diameter TBM Martina, built by Herrenknecht for Toto Costruzioni Generali, broke through the 2,600 m south tube of Sparvo tunnel More Information

Terratec microtunnelling system for Bangkok

Terratec microtunnelling system for Bangkok

Terratec has completed factory acceptance tests for a 1.5 m-diameter microtunnelling system to be used in the Bangkok metropolitan area. More Information

Another tunnelling milestone

Tunnelling has been concentrated in Italy, Norway and Spain over most of the 15 years during which tunnelbuilder has been monitoring activity. More Information

Delegations at ExpoTunnel

Delegations at ExpoTunnel

Major Russian and Brazilian delegations will be introduced at ExpoTunnel in Bologna, 17-19th October, 2013 as part of the internationalisation plan for the show. More Information

Robbins sets Indianapolis 24-hour record

Robbins sets Indianapolis 24-hour record

Just two weeks after Tony Kanaan set the fastest winning average speed of over 300 km/h in the Indy 500, a 37 year-old, 6.2 m-diameter Robbins More Information

Milan metro holed out

On 18.07.2013 the fourth and last TBM, the S238 named Roberta driving the underground section between Monumentale and Tre Torri stations, reached Pozzo Orafi, More Information

Sold at Ritchie Bros auction in Caorso

Sold at Ritchie Bros auction in Caorso

At a large industrial auction held by Ritchie Bros. in Caorso (Piacenza) on 11.07.2013, a selection of 1,130 heavy equipment items and trucks were sold to a large crowd of bidders. More Information

Second breakthrough in Val Sarentino

Breakthrough in the second Val Sarentino road tunnel is scheduled for midday on 19.07.2013. More Information

NFM TBM at Caltanissetta

The first parts of the 15 m-diameter, 100 m-long NFM TBM ordered for the twin 3.9 km tubes of the Caltanissetta road tunnel have arrived at site. More Information

Tunnelling News

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

Zojila tunnel deadline pushed to 2028: Here's why Asia's longest tunnel project is delayed

Zojila Tunnel Latest Update: On completion, the project will not only play an important role in the country's infrastructure development but also ... More Information

W.A. Rasic Construction Awarded Major Subcontract on Dragados' $630M Effluent Outfall

The tunnel project is a critical component of Southern California's long-term infrastructure resilience strategy. The project directly supports the ... More Information

VDOT gives HRBT expansion update

Construction on the Hampton Roads Bridge-Tunnel Expansion Project hit key milestones as tunneling progresses and traffic shifts to new lanes. More Information

HS2 lifts third TBM following 3.4-mile journey

HS2 Ltd has lifted Tunnel Boring Machine Emily's 9.11-metre diameter cutterhead, front and middle shield, weighing 880 tonnes, from below the ... More Information

Musk's Boring Company unveils Music City Loop tunnel project for Nashville

The big picture: The project has an ambitious timeline of completing the 10-mile route in less than two years. The tunnel would move vehicles at warp ... More Information

Progress Update on East Dallas Tunnel Project to Address Flooding Problems

With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas... More Information