Switzerland

Self-Rescue in the Simplon Tunnel

Excavation of a recess for high-voltage cables

Quelle/credit (2): SBB AG

Cross-passage: Support with shotcrete as part of the refurbishment work

Quelle/credit (2): SBB AG

The 19.8 km long Simplon Tunnel (completed in 1922) between Bries (Switzerland) and Iselle (Italy) possesses two single-track bores with two sets of points at the centre of the tunnel and cross-passages at 500 m gaps. After renovating the tunnel section damaged by fire [1] work could start on the extensive refurbishment work section-by-section as from 2012. This work includes producing three additional cross-passages, modifying the existing cross-passages (new doors) and renewal of the control centre as well as the superstructure in the middle of the tunnel and above all, renewing structural...

Issue 2012-07 Switzerland

The 19.80 km long Simplon Tunnel between Brig/CH and Iselle/I possesses 2 single-track bores, which are connected by 46 cross-passages set roughly 500 m apart and 2 sets of points in the middle of the...

Issue 2012-02 Fire in the Simplon Tunnel

The almost 20 km long Simplon Tunnel between Switzerland and Italy was at the time the worlds longest rail tunnel when it was opened with 2 tracks in 1922 and complied with the latest standards (2...

Issue 2009-04 Construction Equipment

The workplace for the Caterpillar 321C KCR tunnel excavator is extremely small for the machine operator has to make do with a cross-section of only 20 m² for loosening material when driving the...

Issue 2019-03

Introduction The 272 million Rotterdamsebaan is currently under construction between the Ypenburg intersection and the Centrumring in the Dutch city The Hague. It is being built under a Design &...

Issue 2009-07 New Products

The 2 single-track tubes for the 57??km long Gotthard Base Tunnel are linked by means of 178 cross-passages. They serve as technical rooms for the rail engineering technology and as escapeways in the...

tunnel 06/2014

tunnel 06/2014

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