In Switzerland since 2009 the Kraftwerk Limmern JV has been involved in setting up a new pumped storage (PS) power station within the scope of the “Linthal 2015” construction project in the...
The 8,385 m long Katzenberg Tunnel was opened after 9 years of construction when the timetable changed on December 9, 2012. A few days previously 2 trains, an ICE and a goods train, passed parallel...
The data relating to the new stormwater section are impressive. The sewer system is designed as a main collector, which is being produced at depths of some 8 to 40 m under the surface by pipe...
After commissioning the 2nd bore in mid-2012, the original 6,585 m long, twin-track bore of the Pfänder Tunnel was closed to traffic to be redeveloped. In late 2012, most of the construction jobs in...
Admittedly replacing shuttering panels takes time and money and in tunnelling this procedure is always especially complicated and expensive. Thanks to the robust alkus solid plastic panel, the Huber &...
The Italian railway operator RFI opened the 2 new high-speed links between Bologna and Florence and Bologna and Milan on June 22, 2012. As a result, regional traffic has been separated from the...
The 2.3 km long, twin-lane Chienberg Tunnel, which bypasses Sissach, opened shortly before Xmas 2006 after a 6-year construction period. It is used by some 15,000 vehicles per day. The construction...
1 Introduction
The joints closed by compressed sealing elements between the segments are potential weak points in monocoque tunnel linings (Fig. 1). Joints are practically entirely responsible for...
In a mixed and unpredictable underground environment the increasing use of hybrid TBMs is one that goes with the territory. Where multiple machine types might have once been used for different...
1. Barring down and Scaling – important for Securing the Excavation
Scaling or barring down the roof and ribs underground largely serves to secure the excavation following blasting and for...
