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Your essential daily reports

Your essential daily reportsEvery daily report published at tunnelbuilder.com is numbered, dated and archived so that you can research the history of a project, region or country. We add all of the ... More Information

Sandvik jumbos for La Confluencia hydro in Chile

Sandvik jumbos for La Confluencia hydro in ChileMain contractor Hochtief-Tecsa JV is using six Sandvik DT 720C underground drilling rigs and three Sandvik DC300 surface rigs at the La ... More Information

Hangzhou metro tunnel collapse kills five

Hangzhou metro tunnel collapse kills fiveOn Saturday, 15th November, a wide section of road over the alignment of the 48 km-long No. 1 line of Hangzhou metro construction on Fengqing Avenue in ... More Information

Recession lessons (3)

Recession lessons (3)"Economic growth in China and India has contributed to lowering the impact of the financial crisis and will help recovery. The difficult trade-off is between managing inflation ... More Information

Robbins holes out at Race Course

Robbins holes out at Race CourseAfter five months of tunnelling, a 6.52 m-diameter Robbins EPBM working for Continental Engineering Corporation (CEC) and Soma JV has completed the first 1 km ... More Information

Recession lessons (2)

Recession lessons (2)"To create jobs and help the economy we will bring forward major infrastructure projects like London Crossrail."Rt Hon Gordon Brown, PM, Westminster, 12.11.2008. 46/08. More Information

Short course on rock mechanics, stability and design of tunnels and slopes

Short course on rock mechanics, stability and design of tunnels and slopesProfessor Dr-Ing W Wittke will lead this fifth 4-day course for 30 participants at WBI head office in Aachen, Germany from ... More Information

Robbins opens new Asia Pacific office

Robbins opens new Asia Pacific officeThe Robbins Company of Solon, Ohio has set up a Robbins Asia Pacific Pty Ltd office in Hong Kong to service East Asia, Middle East and Australia. The ... More Information

Piqueras tunnel finally opens to traffic

Piqueras tunnel finally opens to trafficAfter three years of delays due to unforeseen circumstances related to poor ground conditions, and the redesign of the route for environmental reasons, ... More Information

tunnelbuilder.com - your daily news!

tunnelbuilder.com - your daily news!Our new server and specially developed software now makes daily updating of tunnelbuilder.com feasible, allowing us to shave even more time off our publishing ... More Information

ANBEL offers personalized tunnelling solutions

ANBEL offers personalized tunnelling solutionsFor more than 40 years Italian company ANBEL has represented leading machinery and tunnel equipment manufacturers, offering personalized solutions to ... More Information

New energy carriers workshop

New energy carriers workshopL-surF Services, a grouping of Ineris, SP, STUVA and VSH is running a workshop "New energy carriers in tunnels and underground installations" in Frankfurt, Germany on ... More Information

Recession lessons

Recession lessons"Those companies that invest in their brands during a recession do better than those who don't.""Parts of the western world will show flat or declining GNP growth in 2009, but this ... More Information

Sokkia and Geodata team up

Sokkia and Geodata team upJapanese manufacturer Sokkia and Austrian company Geodata have joined forces to offer high performance solutions to all geodetic tasks in the field of tunnelling, ... More Information

Sandvik iSURE Drilling Software Revolutionises Professional Tunnelling

Sandvik iSURE Drilling Software Revolutionises Professional TunnellingOnly seamless interaction of drilled pattern, charged explosives and detonator delays can provide optimum excavation results in ... More Information

Sandvik Launches New DTi Series Tunnelling Jumbos

Sandvik Launches New DTi Series Tunnelling JumbosAt an official launch event on 8th-10th October in Helsinki and Tampere, Finland, Sandvik Mining and Construction has taken tunnelling performance to ... More Information

First International Congress on Railroad Crossing through the Central Pyrenees

First International Congress on Railroad Crossing through the Central PyreneesThe Spanish society of civil engineers and the trans-Pyrenean foundation organise in Saragossa, Spain the first congress ... More Information

Workshop "New Energy Carriers in Tunnels and Underground Installations"

Workshop "New Energy Carriers in Tunnels and Underground Installations"L-surF Services, the grouping of INERIS, SP, STUVA and VSH, organises on 20th November, 2008 at the InterCity Hotel in ... More Information

TBMs Get Underway at Jinping II Hydropower in China

TBMs Get Underway at Jinping II Hydropower in ChinaThe 1,571 km Yalong river, a major tributary on the upper reaches of the Yangtze river, is estimated to have 34.62 GW in hydropower resources. The ... More Information

Arrowhead Tunnel Finally Makes Breakthrough

Arrowhead Tunnel Finally Makes BreakthroughA tunnel boring machine that has spent nearly five years burrowing up to 460 metres beneath the San Bernardino mountain range in California surfaced ... More Information

Tunnelling Starts on Line 5 in Milan

Tunnelling Starts on Line 5 in MilanConstruction of the tunnels on the first section of Line 5 of the Milan metro officially began on 1st August, 2008. The section will run almost completely ... More Information

Wirth solutions for tunnels

Wirth solutions for tunnelsA foundation sponsor of tunnelbuilder and a great supporter over the last ten years, Wirth is one of the most durable names in tunnelling. With proven designs for hard and ... More Information

World's Widest TBM Completes Digging in Shanghai

World's Widest TBM Completes Digging in Shanghai The digging of the world's widest tunnel linking Shanghai with Chongming under the Yangtze river was completed on 5th September, ... More Information

Digging Deep for Bogong Hydro Power Station

Digging Deep for Bogong Hydro Power StationThe Kiewa hydroelectric scheme is the largest scheme in Victoria, Australia. It was built over more than 20 years from 1938 until 1961, with construction ... More Information

Lyon-Turin High Speed Line Makes Progress

Lyon-Turin High Speed Line Makes ProgressAfter years of bitter arguing, an agreement on the controversial high speed railway line between Turin, Italy and Lyon, France has been announced on ... More Information

Newsflash

NewsflashIn order to respond to the growing demand within International Tunnelling Services, our managing director, Kevin Browning, will be present at some international exhibitions to meet clients ... More Information

Robbins TBM Overcomes High Overburden at Olmos

Robbins TBM Overcomes High Overburden at OlmosThe coast of Peru is a barren scrubland which proves fantastically bountiful when water is brought to it. And, for centuries, the problem of how ... More Information

Six TBMs to Expand Rome's Metro System

Six TBMs to Expand Rome's Metro SystemThe first of four Herrenknecht TBMs for Line C of the Rome metro officially commenced on 3rd July, 2008 to drive the tunnels starting from the Giardinetti ... More Information

Milestone Hit in Boston CSO Tunnel

Milestone Hit in Boston CSO TunnelThe Massachusetts Water Resources Authority (MWRA) has notched another successful tunnel boring operation, its fifth in 20 years, as it completed the North ... More Information

Everything Ready for Geofluid

Everything Ready for GeofluidGeofluid, now celebrating its 30th anniversary, will take place from 1st to 4th October, 2008 at the Piacenza Expo exhibition centre in Italy. Geofluid 2008, as for the ... More Information

IUT '08: 2-Day Tunnelling Fair in Sargans, Switzerland

IUT '08: 2-Day Tunnelling Fair in Sargans, SwitzerlandMore than 2,800 visitors took advantage of the IUT '05 in September 2005 in order to aquaint themselves with the latest trends and developments ... More Information

Colombia Completes La Linea Exploration Tunnel

Colombia Completes La Linea Exploration TunnelThe last blast of dynamite that pulled down the last chunk of rock in the La Linea pilot tunnel on 2nd August, 2008 was preceded and followed by cheers ... More Information

Atlas Copco and Minova sign global distribution agreement

Atlas Copco and Minova sign global distribution agreement Stockholm, Sweden, 19th August, 2008: Atlas Copco today announced that it has signed a global cooperation agreement in the field of ground ... More Information

HARBOUR AREA TREATMENT SCHEME STAGE 2A

Drainage Services Department HARBOUR AREA TREATMENT SCHEME STAGE 2ACONSTRUCTION OF SEWAGE TUNNELSINVITATION TO APPLY FOR PREQUALIFICATION OF TENDERERS The Government of ... More Information

HARBOUR AREA TREATMENT SCHEME STAGE 2A

Drainage Services Department HARBOUR AREA TREATMENT SCHEME STAGE 2ACONSTRUCTION OF SEWAGE TUNNELSINVITATION TO APPLY FOR PREQUALIFICATION OF TENDERERS The Government of ... More Information

Yacambu-Quibor Water Tunnel Breaks Through

Yacambu-Quibor Water Tunnel Breaks ThroughThe Quibor valley in Lara state, Venezuela occupies an area of some 434 square kilometres with semi-arid climate. It is situated 25 km south of ... More Information

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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