Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Second breakthrough at A Luoi hydro

Second breakthrough at A Luoi hydro On 27.12.2010 Cavico Bridge and Tunnel, the Cavico Corporation subsidiary based in Vietnam, broke through a second sub-tunnel at the A Luoi hydropower project. ... More Information

iPS recruiting senior staff for Indian tunnel project

iPS recruiting senior staff for Indian tunnel projectIn February, 2011 India is to start work on a four-year drill/blast tunnel using NATM techniques. iPS is currently recruiting a Tunnel ... More Information

Variante di Valico base tunnel completed

Variante di Valico base tunnel completed On 21.12.2010 the base tunnel on the Variante di Valico project between Florence and Bologna holed through. It is the largest highway tunnel in Italy with ... More Information

Long headrace for Song Bung 2 in Vietnam

Long headrace for Song Bung 2 in VietnamConstruction of the 100 MW Song Bung 2 hydro plant project in Quang Nam province has been awarded to Cavico. The contract includes surge tank, powerhouse and ... More Information

Herrenknecht delivers world's largest EPB

Herrenknecht delivers world's largest EPBThe 15.62 m-diameter EPB designed and manufactured by Herrenknecht at Schwanau has been accepted by the customer this week. It will now be partially ... More Information

2012 Symposium on tunnel safety for New York

2012 Symposium on tunnel safety for New YorkThe fifth ISTSS conference will take place at the Roosevelt Hotel in New York, NY on 14-16 March, 2012 with three days of presentations and exhibits. This ... More Information

Galong La tunnel holes through in Tibet

Galong La tunnel holes through in TibetThe 3.3 km-long Galong La tunnel holed through today, linking Tibet's remote Metok county with the outside world. The tunnel alignment passed through 11 major ... More Information

Second Sangaldam breakthrough

Second Sangaldam breakthroughWork is progressing well on the Katra-Qazigund section of the Kashmir railway, with the second tunnel breaking through at Sangaldam in the Ramban district of the valley. ... More Information

iPS recruits for tunnel project in India

iPS recruits for tunnel project in IndiaIn February, 2011 India is to start work on a four-year drill/blast tunnel using NATM techniques. iPS is currently recruiting a Tunnel Superintendent and ... More Information

UK high speed railway route published

UK high speed railway route publishedThe proposed route for HS2 high speed railway from London to Birmingham has been revealed to the British parliament by the Minister for Transport. More, ... More Information

Marathon Robbins TBM completes Pinglu

Marathon Robbins TBM completes PingluOn 14.11.2010 a veteran Robbins Double Shield completed one of the world's longest single-drive TBM tunnels, the 25.4 km Pinglu section of the Yellow River water ... More Information

Adfil Construction Fibres - leading through innovation

Adfil Construction Fibres - leading through innovationSpanning four decades, ADFIL Construction Fibres has been manufacturing and marketing an extensive range of innovative construction fibres. The ... More Information

Enjoy your festive season, if you can!

Enjoy your festive season, if you can!As the northern hemisphere grinds through the coldest seasonal weather for 30 years, we are conscious that some of our readers will be stuck in places where ... More Information

Zueblin and VMT join forces

Zueblin and VMT join forcesEd. Zueblin of Stuttgart and VMT of Bruchsal, Germany have established a joint venture company ITC Engineering GmbH to market efficient software systems for process data ... More Information

Frejus safety tunnel fully underway

Frejus safety tunnel fully underwayOn 30.11.2010 construction commenced at the Italian end of the Frejus safety tunnel under a contract with the consortium Itinera SpA/Razel SAS/Mattioda Pierino ... More Information

Underground Construction for London

Underground Construction for LondonThe 2011 underground construction conference and exhibition will be held in Central London on 29-30th June. It takes place at a time of unprecedented tunnelling ... More Information

Big Crossrail contracts awarded

Big Crossrail contracts awardedToday, in London, Crossrail has awarded the first of nearly 30 major jobs, comprising EUR1.48 billion of construction contracts for the main project tunnel drives and ... More Information

Auckland Victoria Park breaks through

Auckland Victoria Park breaks throughJust a year after mobilizing, contracting consortium V-Formation led by Fletcher Construction has broken through on the Victoria Park tunnel that will carry ... More Information

Advertiser support at tunnelbuilder

Advertiser support at tunnelbuilderIn publishing, editors sometimes lose sight of who is paying their wages. The buck usually comes from the advertisers, and stops with the publishers, with the ... More Information

iPS - powerful people

iPS - powerful peopleiPS, for 22 years a renowned supplier of personnel to the tunnelling industry, has taken on a new look. The new website www.ipspersonnel.com is now fully integrated with a ... More Information

Rio Tinto invests in mechanized techniques

Rio Tinto invests in mechanized techniquesRio Tinto is investing EUR7.4 million in a new centre for underground mine construction based at CEMI in Sudbury, Canada. The partnership with CEMI provides ... More Information

Milan-Genoa Terzo Valico startup

Milan-Genoa Terzo Valico startupOn 18.11.2010 CIPE approved the start of Lot 1 construction work for the dei Giovi tunnel on the Milan-Genoa high-speed line and allocated EUR700 million to the ... More Information

EIA and design for Maddalena exploratory tunnel approved

EIA and design for Maddalena exploratory tunnel approved The environmental impact assessment for the Maddalena exploratory tunnel on the proposed Turin-Lyon high-speed railway was approved by the ... More Information

2011 China Tunnel Summit for Shanghai

2011 China Tunnel Summit for ShanghaiThe 5th China tunnel summit takes place March 3-4, 2011 in Shanghai, China. For more information contact Zoey Yao at Merisis, tel +86 21 62278218, e-mail ... More Information

Herrenknecht EPB passes Sagrada Familia in Barcelona

Herrenknecht EPB passes Sagrada Familia in BarcelonaBy 20.10.2010, Herrenknecht EPB Barcino excavating at 34 m depth had completed 1,980 m of the Sants-La Sagrera tunnel for the ... More Information

Putzmeister solution at Malmo

Putzmeister solution at MalmoThe concrete trackbed in the twin-tube, 6 km-long Malmo city tunnel has to be installed without major vibration at a rate of 15-20 m/h. Maximum precision is required ... More Information

Suspected methane explosion at Pike River mine in New Zealand

Suspected methane explosion at Pike River mine in New ZealandThe entrance adit to Pike River coalmine is 2.3 km-long, 5.5 m-wide and 4.5 m-high. It was driven uphill near the top of the Paparoa ... More Information

Archidona tunnel excavation complete

Archidona tunnel excavation completeConstruction of the single bore, twin track Archidona tunnel on the Archidona-Arroyo de la Negra section of the Antequera-Granada high speed line was completed on ... More Information

Bauma China showcases the world's best

Bauma China showcases the world's bestTaking place this week at the Shanghai New International Expo Centre, Bauma China is the leading international trade fair in Asia for all sectors of the ... More Information

Brenner Base Aica-Mules pilot bore breaks through

Brenner Base Aica-Mules pilot bore breaks throughOn 03.11.2010, a 6.3 m-diameter double shield TBM completed excavation of the 10.5 km-long exploratory tunnel between Aica and Mules as part of the ... More Information

EU funding reduction for Turin-Lyon line

EU funding reduction for Turin-Lyon lineOn 27.10.2010 the European Commission published its mid-term review of 92 priority Trans-European Networks infrastructure projects, co-financed by the ... More Information

Garibaldi-San Siro section of Milan M5 metro underway

Garibaldi-San Siro section of Milan M5 metro underway Work starts on 14.11.2010 in Milan on the 6.7 km-long Garibaldi-San Siro section of the M5 metro line including 10 stations: Monumentale, ... More Information

ES Rubber Industries seeks more representation

ES Rubber Industries seeks more representation ES Rubber offers the tunnelling industry tailor-made gasket solutions adjusted to specific projects. Together with Dr Werner Grabe with more than 20 ... More Information

Atkins acquires Gimsing & Madsen

Atkins acquires Gimsing & MadsenTo boost Atkins' capability in bridge and tunnel design in Scandinavia, the group has acquired independent specialist consultancy Gimsing & Madsen. Atkins is ... More Information

Key executive appointment at Normet

Key executive appointment at NormetNormet Group now employs 540 professionals worldwide to sustain its EUR90 million turnover. The company develops, manufactures and markets underground equipment ... More Information

Sochi tunnel holes through

Sochi tunnel holes through On 12.10.2010, the top heading of the single-track 441 m Krasnaya Polyana tunnel no 4 holed through at km 37 of the Adler-Alpika Servis combined railway and motorway that ... More Information

Page:

Tunnelling News

Georgian Officials Mark Completion of Railway Modernization, Hoping to Boost Transit

The works also included the construction of the 8,300-meter dual-tube tunnel near Kvishkheti, 10 bridges, six tunnels, and around 100 engineering ... More Information

Israeli municipality approves budget for new tunnel project south of Jerusalem

The Jerusalem Governorate said that the project aims to connect the Har Homa settlement, built on Jabal Abu Ghneim land, to the Begin bypass road near ... More Information

Megaprojects Under Construction Around World In 2026

Described as the largest road tunnel in the U.K., the Lower Thames Crossing will link Tilbury in Essex via a tunnel underneath the Thames with ... More Information

Delhi Metro expansion: Cabinet approved Rs 12,015 crore project

The project, planned over a construction timeline of three years, will be executed largely underground using tunnel boring machines to minimise ... More Information

World's Longest Expressway Tunnel to Open, Linking North and South Xinjiang

Engineers used innovative methods and specially designed machines called tunnel boring machines (TBMs) to dig through hard rock faster and safer than ... More Information

The huge £21bn mega-tunnel that goes right through the middle of a mountain

Huge boring machines will create a 57.5km (35.7mile) tunnel through the Alps to connect French and Italian high-speed rail networks and link Lyon ... More Information

Rome digs deep for railway that burrows beneath the Colosseum

Tunnellers used lasers to check whether ancient columns at the nearby Forum were not wobbling as their 300ft long tunnel boring machine churned ... More Information

World’s largest-diameter high-speed railway shield tunneling machine reaches milestone

The world's largest-diameter high-speed railway shield tunneling machine independently developed by China, “Linghang,” for the Chongming-Taizhou ... More Information

Third circuit on £1bn London Power Tunnels 2 project energised

Electricity has begun flowing through a new section of National Grid's London Power Tunnels 2 (LPT2) project after the energisation of a ... More Information

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information