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Bringing all together
25 March, 2024
With so much tunnelling work in China, recent issues of T&TI have carried major articles ahead of the country hosting the World Tunnel Congress (WTC 2024), in April. The articles have given a sense of the scale and variety of major project activity across the nation – and an idea of the strategic vision for rail/metro transport and use of tunnelling technology in rapidly expanding Shenzhen, the host city of WTC 2024.

Innovation for major segmental tunnels
25 March, 2024
Bekaert’s Dramix® fibres have recently played significant roles for tunnel projects in two countries with major events coming soon – in France, where the Grand Paris Express subway is supporting the capital hosting the 2024 Summer Olympic Games, and in China, which will shortly host the World Tunnel Congress (WTC) 2024 and among its many large projects to be featured is Qingdao Second Road Tunnel at Jiaozhou Bay. The designs are discussed by Benoit de Rivaz, Global Technical Manager, Bekaert BP Underground Solutions

Many requirements in Sweden – one MTBM hard rock solution
25 March, 2024
An exceptional microtunnelling project in Edsberg, Sweden, posed particularly complex challenges: very hard, highly abrasive rock and no possibility of a target shaft. The solution was the newly developed AVN 800 HR from Herrenknecht in combination with jacking of a temporary steel pipe string to withdraw the MTBM. Herrenknecht’s Michael Groß, Senior Product Manager Pipe Jacking, and Lutz zur Linde, Sales Manager Utility Tunnelling, discuss the technology and its application

Hypertunnel – Evolution Of Testing
25 March, 2024
R&D for hyperTunnel’s robots has evolved using ‘swarm’ rather than classic individual testing to enable the system to work in underground construction environments. The approach is discussed by Conor West, Support and Service Engineer with the company

Christopher Hewett wins BTS Harding Prize
22 March, 2024
The British Tunnelling Society has announced Christopher Hewett as the winner of the 2024 Harding Prize.

Final breakthrough made on HS2’s longest tunnel
22 March, 2024
Excavation of HS2’s longest tunnel was completed yesterday when the second TBM broke through.

Excavation completed on Mularroya dam tunnel
21 March, 2024
Acciona and its partner, Sacyr, have made the final breakthrough on the Mularroya dam transfer tunnel in Spain. Zaragoza

Network Rail to hold Transpennine market engagement
20 March, 2024
Network Rail is to hold a market engagement event for the supply chain for the Transpennine Route Upgrade, including tunnels.

Cambridge establishes net zero infrastructure centre
20 March, 2024
The University of Cambridge Civil Engineering Division has been successful in its bid to create a doctoral centre for net zero infrastructure.

VTA launches TBM naming contest
19 March, 2024
The Santa Clara Valley Transportation Authority (VTA) has launched a competition to name the TBM for the BART Silicon Valley Phase II Project (BSVII).

Lesotho Highlands Tunnel to close for maintenance
19 March, 2024
The transfer and delivery tunnels of the Lesotho Highlands Water Project are to undergo maintenance later this year.

Metro West station cavern excavation making progress
18 March, 2024
Excavation of Sydney Metro West’s Hunter Street Station is 30 per cent complete.

TBM breaks through on Virginia water project
18 March, 2024
Tunnelling for RiverRenew, a wastewater project in Alexandria, Virginia, has been completed.

Broadway Subway Project TBMs on final leg
15 March, 2024
Preparations are under way on Vancouver’s Broadway Subway Project to disassemble the two TBMs.

North East Link TBM assembly under way
15 March, 2024
The first TBM is being assembled for Melbourne’s North East link twin road tunnels.

Lower Thames Crossing awarded Carbon Literacy Gold
14 March, 2024
The Lower Thames Crossing has been awarded Gold level accreditation by the Carbon Literacy Project, the first major UK infrastructure project to achieve the level.

BTS April lecture focuses on Kilsby Tunnel groundwater
13 March, 2024
A historic tunnel is the subject of the British Tunnelling Society’s April lecture.

WTC2024 Shenzhen Awaits Delegates From the world over
13 March, 2024
Underground engineering is our career-defining profession. With urban populations expanding, and as connectivity, renewable energy and environmental protection regulations taking on higher profiles, the demand for new subsurface infrastructure is increasing exponentially.

International Tunnelling and Underground Space Association turns 50 this year !
13 March, 2024
Unprecedented Gathering of Distinguished ITA Past Presidents at WTC2024, Shenzhen, China

Dismantling gantry for HS2 passes FAT
12 March, 2024
A service dismantling gantry for HS2 has completed its Factory Acceptance Test at Kern Tunneltechnik’s facility in Switzerland.