Search Results: 'Strabag'

Raising the pressure
10 November, 2011
Adding an extra turbine to the Vianden pump storage plant in Luxembourg requires a new vertical pressure shaft. Benjamin Kunstle and Alexander Frey of Herrenknecht explain how the raiseboring is sinking in

Brenner push
19 October, 2011
Excavation and procurement are advancing at the Brenner Base Tunnel with the third exploratory tube contract due to be awarded shortly and planning continuing for the main bores in the Alps. Report by Patrick Reynolds

Big Becky’s big day
14 June, 2011
After a 10.4km drive full of ups and downs—literally and figuratively speaking—the TBM mining the Niagara Tunnel has made its final breakthrough. Nicole Robinson was there to see it happen

From the ground up - to project control
14 March, 2011
What happens when underground construction practice doesn’t follow design theory? How can engineers find out what is actually happening with accuracy to reduce risk? The principles of structural monitoring have been known for many years but technical developments in instruments to test ground conditions in situ have increased reliability and reduced cost to such an extent that the wealth of information available has required new thinking in data handling, analysis and presentation. Maurice Jones checks with some leading participants on how data is now collected handled and used, plus how improvements might come about

Europe claws back to black
14 March, 2011
A construction boom in Poland, reduced labour costs and a healthy range of large, challenging tunnelling projects has meant that despite a reduced demand for costly underground construction, the industry remains upbeat. Alex Conacher reports

Smoking tunnels
17 January, 2011
Dr Fathi Tarada, Managing Director of Mosen, raises the question ‘Is smoke ventilation required for tunnels under construction?’ in the light of recent dangerous incidents