NEXT-LEVEL WATER TREATMENT The HS2 site at West Ruislip in West London is huge. The view from the top of the decanter tower which is part of the project’s Wastewater Treatment Plant (WWTP) gives a hint of some of the activities underway. The new Northolt Tunnel portal is just visible, ahead are the huge conveyors […]
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26 gigantic road tunnels for the Yangtze River Delta
The Yangtze River Delta is one of the most vibrant regions in China. The fastgrowing area on the east coast represents more than a tenth of China’s population and contributes about a quarter of China’s economic output. The national strategy of regional integration and high-quality growth is adding further momentum to the region with 27 […]
The Variable Density TBM
„Our machines operate in highly diverse geological and hydrogeological conditions“ says Matthias Schwärzel, who has led several tunnelling projects for Herrenknecht in his role as Division Manager, Project Management Traffic Tunnelling. “These conditions pose challenges for clients, planners and contractors that are never the same from one project to the next. Working closely with our […]
Metro Lyon
Just short of the finish line, there was one anxious moment for “Coline”, as the miners called their TBM: 2.4 kilometers into the highly successful operation on an extremely demanding section of Lyon’s subsurface, the TBM was just a few meters from breakthrough when the monitoring systems flashed up some unexpected values. In the control […]
Shaft sinking in the 21st century
On the sprawling site of the Nezhinsky mine in Lyuban, Belarus – about a two hour drive south of Minsk – Marcus Winterer climbs into a metal manrider. In the past two years it has taken him vertically underground on countless occasions. Winterer is one of the supervisors for two innovative Shaft Boring Roadheaders (SBR) […]