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San Cristobal Tunnel Breakthrough in Santiago de Chile

San Cristobal Tunnel Breakthrough in Santiago de ChileThe San Cristobal tunnel will connect Huechuraba and Recoleta, two municipalities north of Santiago de Chile, with Providencia and Las ... More Information

South Tunnel on M-30 South Bypass Opens in Madrid

South Tunnel on M-30 South Bypass Opens in MadridAlberto Ruiz Gallardon, the Mayor of Madrid, inaugurated on 8th May, 2007 the south tunnel of the south bypass on the inner ring road, a 4.2 ... More Information

Andorra Completes Service Tunnel at Dos Valires

Andorra Completes Service Tunnel at Dos ValiresThe 2,870 m-long Dos Valires service tunnel broke through in the Principality of Andorra. The first blast took place on 19th October, 2005 and ... More Information

TBM Breaks Through Beacon Hill in Seattle

TBM Breaks Through Beacon Hill in SeattleA Mitsubishi Heavy Industries tunnel boring machine broke through the east side of Beacon Hill in the Seattle's south end a little after 8:15 a.m on ... More Information

Godwin Pumps at RETC

Godwin Pumps at RETCThe Godwin Dri-Prime® - an automatic self-priming centrifugal pump set available in sizes from 2" to 18" (50 mm to 450 mm) - has been proven in tunnel and shaft ... More Information

Third China International Tunnel and Underground Space Exhibition and Conference

Third China International Tunnel and Underground Space Exhibition and ConferenceThe Third China International Tunnel and Underground Space Exhibition and Conference, or Tunnel China 2007 as it is ... More Information

Martin Knights Elected President of ITA

Martin Knights Elected President of ITAAs widely expected, Martin Knights was elected president of the ITA at the recent Prague conference. Martin has 35 years post graduate civil engineering ... More Information

Bauma 2007 Sheds Light on Atlas Copco's E-series Drill Rig and New Roofex Bolt

Bauma 2007 Sheds Light on Atlas Copco's E-series Drill Rig and New Roofex BoltTo further enhance the success of Rocket Boomer E-series - Atlas Copco's new series of face drilling rigs for ... More Information

Two CSM Bessac TBMs at Work in Algiers

Two CSM Bessac TBMs at Work in AlgiersIn November 2001, the poor districts of Bab El Oued, Frais Vallon and Beau Fraisier on the western side of Algiers were struck by devastating floods and ... More Information

Seen at Bauma 2007

Seen at Bauma 2007At Bauma 2007 held in Munich, Germany on 23rd-29th April, manufacturers of machinery for tunnels and mines have put a lot of effort into easy assembly. Assembly times have ... More Information

ITA Presidency Battle Hots Up

ITA Presidency Battle Hots UpBallots for the next three years presidency of ITA will be cast on 5th May, 2007 at the ITA Assembly in Prague. A leading contender is Martin Knights of Jacobs ... More Information

Robbins-MHI EPBMs To Excavate Delhi Metro Extension

Robbins-MHI EPBMs To Excavate Delhi Metro ExtensionRobbins will team up with Mitsubishi Heavy Industries (MHI) to design and manufacture two 6.5 m-diameter earth pressure balance machines (EPBMs) on ... More Information

Bosphorus Tunnel Reaches Major Milestone

Bosphorus Tunnel Reaches Major MilestoneThe first immersed tube section of a new rail tunnel joining Europe and Asia was recently placed in a trench at the bottom of the Bosphorus Straits in ... More Information

Herrenknecht's Triple TBM Launch on Metro Lines in Athens, Sao Paulo and Budapest

Herrenknecht's Triple TBM Launch on Metro Lines in Athens, Sao Paulo and BudapestThree Herrenknecht TBMs have been put at work around the world in recent weeks to build three new metro lines ... More Information

Bauma Mining 2007, a Must-See Place for Tunnelling Professionals

Bauma Mining 2007, a Must-See Place for Tunnelling ProfessionalsThe 2007 edition of Bauma, the world fair for machinery for the building and construction, building materials and mining industries, ... More Information

Lovat’s Double Olympic Achievement in London and Vancouver

Lovat’s Double Olympic Achievement in London and VancouverTunnelling work on major infrastructure developments for the 2012 Summer Olympic Games in London and the 2010 Winter Olympics in ... More Information

Water Arrives in Kunming

Water Arrives in KunmingAfter nearly five years struggling with extremely difficult geological conditions, the official inauguration ceremony of the Zhangjiuhe River Water Diversion and Water ... More Information

Lovat to Supply TBM for Hobson Bay Sewer in Auckland

Lovat to Supply TBM for Hobson Bay Sewer in AucklandLovat and contractors McConnell Dowell and Fletcher Construction have recently signed a contract for the supply of a new Lovat RME170SE Series ... More Information

Challenging Casing System and Blast Monitoring at the Saas Tunnel in Switzerland

Challenging Casing System and Blast Monitoring at the Saas Tunnel in SwitzerlandThe valley of Klosters and Davos, worldwide known from the annual World Economic Forum, provides a crucial ... More Information

Robbins TBM Breaks Through Outfall in Ferrol, Spain

Robbins TBM Breaks Through Outfall in Ferrol, Spain The Ministry of Development ended on 1st April, 2007 tunnelling of the land outfall in the estuary of Ferrol in Galicia, northwest ... More Information

Two Herrenknecht EPB TBMs To Bore Line C of the Rome Metro

Two Herrenknecht EPB TBMs To Bore Line C of the Rome MetroMetro C SpA, formed by Astaldi, Ansaldo Trasporti Sistemi Ferroviari, Consorzio Cooperative Costruzioni (CCC) and Vianini Lavori, ... More Information

Brazil Invites Tenders for Sao Francisco River Basin Diversion Project

Brazil Invites Tenders for Sao Francisco River Basin Diversion ProjectAfter years of negotiation and debate, Brazil invites tenders for construction and on-site supervision of the BRL4.5 billion Sao ... More Information

Dante-Garibaldi Section of Line 1 in Naples to Be Ready in 2010-2011

Dante-Garibaldi Section of Line 1 in Naples to Be Ready in 2010-2011Extension of Line 1 of the Naples subway consists mainly of rail tunnels between Piazza Dante station (not included) and the ... More Information

North Tunnel on M-30 South Bypass Opens in Madrid

North Tunnel on M-30 South Bypass Opens in MadridSince 23rd March, 2007 up to 80,000 vehicles use daily the north tunnel on the south bypass on the M-30 in Madrid, which opened to traffic at ... More Information

Flooding Begins on Subsea Palm Jumeirah Tunnel in Dubai

Flooding Begins on Subsea Palm Jumeirah Tunnel in DubaiWork on the Palm Jumeirah infrastructure continues apace, with one of its key transport links - the subsea tunnel - entering its final ... More Information

Pipejacking for Pantai Sewer Network in Kuala Lumpur

Pipejacking for Pantai Sewer Network in Kuala LumpurPhase 1, Package 1 of a major sewerage project is currently being undertaken by Shimizu-Road Builder-Hitachi Plant JV in Kuala Lumpur ... More Information

Sensors and Soil Treatment at the Pantai Trunk Sewer in Kuala Lumpur

Sensors and Soil Treatment at the Pantai Trunk Sewer in Kuala LumpurIn December 2003, the Sewerage Services Department under the Ministry of Energy, Water and Communication awarded the ... More Information

China Tunnel Summit 2007

China Tunnel Summit 2007The China tunnel summit, to be held in Xi’an on 18th-19th April, will be the opportunity for participants to listen to showcases from the midwest China region; to get ... More Information

Sandvik at Bauma 2007

Sandvik at Bauma 2007Sandvik Mining and Construction will participate at Bauma, from 23rd to 29th April in Munich, Germany. On the outdoor site area F9 (Stand No. 905/2), Sandvik will introduce a ... More Information

San Eduardo Tunnel Under Construction in Ecuador

San Eduardo Tunnel Under Construction in EcuadorThe San Eduardo tunnel project is located in the northwest part of Guayaquil in Ecuador. The length of the twin bored tunnel is 2 x 1.29 km. The ... More Information

4th International Conference on Traffic and Safety in Road Tunnels

4th International Conference on Traffic and Safety in Road TunnelsA fair amount of attention is being paid to tunnel projects with regard to safety. However, despite the application of ... More Information

Robbins TBM Excavates Talave-Cenajo Aqueduct Tunnel in Spain

Robbins TBM Excavates Talave-Cenajo Aqueduct Tunnel in SpainThe objective of the Talave-Cenajo water transfer tunnel in Castilla La Mancha, southeast Spain is to ensure that people living in ... More Information

Lovat TBMs Finish Tizi Ouzou-Algiers Water Transfer Scheme

Lovat TBMs Finish Tizi Ouzou-Algiers Water Transfer SchemeCMC has announced the breakthroughs, ahead of schedule, of the Thenia and Narcira tunnels on the Tizi Ouzou-Algiers water transfer ... More Information

Atlas Copco Puts Productivity on Display at Bauma 2007

Atlas Copco Puts Productivity on Display at Bauma 2007 As in previous years, Atlas Copco's drill rigs will play a central role at the show. For underground drilling, Atlas Copco will ... More Information

Roadheaders Enter in Action on North-South Bypass Tunnel in Brisbane

Roadheaders Enter in Action on North-South Bypass Tunnel in BrisbaneTunnelling is starting at Kangaroo Point on Brisbane's North-South Bypass Tunnel (NSBT) two months early after the delivery ... More Information

North Bore Breaks Through at Piedicastello Tunnel in Trento, North Italy

North Bore Breaks Through at Piedicastello Tunnel in Trento, North ItalyThe objetive of the environmental and urban redevelopment in the Piedicastello area, the re-routing of the Trento ring ... More Information

Tunnelling News

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

KIB gets go-ahead for landmark Kuwait tunnel revamp project

On the key tunnel beautification project, Vice Chairman and CEO Raed Jawad Bukhamseen said: "This initiative reflects KIB's vision of supporting ... More Information

From hills to hope

As night falls over the northern highlands of Lesotho in early July, winter's chill sets in. Yet, the Polihali Transfer Tunnel construction site ... More Information

Tunnel boring machines reach Parramatta in major Metro West milestone

Tunnel boring machines have reached Parramatta, marking a major milestone in the construction of the Metro West project. More Information

Completion of hyperbaric excavated tunnel marks major milestone for Naples-Bari rail project

The construction of the Casalnuovo Tunnel, a critical and technically challenging segment of the high-speed railway line between Naples and Bari ... More Information

Multraship tugs support Antwerp Scheldt tunnel construction

Tugboats are supporting the construction of a motorway tunnel in the River Scheldt in Antwerp by towing and manoeuvring concrete structures and ... More Information

Europe's $45BN Mega Tunnels through the Alps

Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, .. More Information

AFRY secures contract for Switzerland's Twann Tunnel project

Construction oversight of the Twann Tunnel in the country. The tunnel on the Lake of Bienne is intended to ease traffic congestion in Twann by ... More Information

Line 5 Tunnel Project: Public comments now open for proposal to build under Straits of Mackinac

"The purpose of the project is to facilitate the construction of a tunnel beneath Lake Michigan bottomlands to replace the Line 5 dual pipelines ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

Sydney tunnel factory creates 700 manufacturing jobs

The factory will support two of the largest tunnel boring machines (TBMs) in the Southern Hemisphere, set to arrive later this year. Once ... More Information