All Tunnelling Articles

China’s CRCC claims to have manufactured world’s biggest TBM main bearing
Chinese construction company China Railway Construction Corporation (CRCC) claims to have produced the world’s biggest main bearing for a tunnel boring machine (TBM).
The challenges of building the world’s longest railway tunnel
Brenner Base Tunnel chief engineer explains some of the biggest challenges behind building the world’s longest railway tunnel.
Breakthrough for London’s newest underground tunnel
This will be the first newly built underground road link between the two banks of the Thames in over 30 years
6 ways tunnel boring machines are evolving
How innovations in tunnel boring machines are increasing their speed and efficiency.
Video: TBMs work on one of China’s largest metro lines
Watch the largest TBM construction group applied in a single project
Komatsu buys underground mining manufacturer
Acquisition of GHH will add load haul dumpers, underground dump trucks and more
Record tunnelling rate at hydropower project in Peru
TBM from CRCHI is said to help shorten construction time in Belt and Road Initiative project
Robbins launches Double Shield in Nepal
Second project underway for the tunnel boring machine company
Breakthrough on major Chinese road project
CRCHI Mega Slurry TBM ‘Jinghua’ achieves breakthrough on Beijing East Sixth Ring Road Reconstruction Project
India coastal road sets tunnel boring record
The tunnel boring machine is at present the largest deployed in the country
Robbins TBM completes ‘record’ run on tunnel project
Tunnel excavation to replace existing outfall in Toronto, Canada, is completed successfully  
Site report: Seattle wastewater tunnel project on track
Enormous TBM at work beneath the streets of Seattle
TBM for Australia’s biggest renewable energy project
Snowy 2.0 project said to be key to Australia’s transition to a low-carbon emissions future
Tunnel boring machine sets new world records
Robbins Crossover XRE TBM achieves longest daily, weekly and monthly lengths of excavated tunnel on Turkey’s Emse-Salihli Railway Tunnel
The biggest tunnelling projects around the world in 2021
Tunneling industry survived but is now set to thrive globally
Huge TBM launched on UK’s HS2 project
First of 10 machines set to dig over 100km of tunnels on mammoth high-speed rail project
China’s largest Crossover TBM
Crossover TBM with a diameter of over 9m being used for China railway project
Sandvik to buy DSI Underground for €943m
DSI is a €500 million revenue business specialising in technology and products to reinforce mines, tunnels and underground structures
Robbins main beam breaks through Ohio River Tunnel
Refurbished TBM surmounts rock fallout and methane gas challenges below US site
China’s biggest TBM
CRCHI has produced a Mega Slurry TBM with a maximum excavation diameter of 16.07m
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