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Tunnels throughout Europe are tested each year within the scope of the ADAC Tunnel Test. As a result a data bank has been created containing details on safety in numerous tunnels. The results of this year’s test were announced recently and are presented in the following.

Safety in tunnels is being accorded ever greater importance – and this for good reason. This applies equally to road and rail tunnels throughout the world. In the following report a smoke removal system for the Central Station in Antwerp in Belgium is presented.

For constructing the Bjørvika Underwater Tunnel in Oslo/Norway (Fig. 1) extremely high demands are placed on fire protection. The following report presents them in brief.

Artificial subsurface freezing for creating statically sustainable and watertight frost zones has proved itself on many occasions in the past as an accompanying measure in tunnelling and has actually...

An initial description of the contract sections 3.1 and 3.2 was published in tunnel 4/2008. The following report deals with further progress made by work on this important inner urban project.

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...

Only a small part of Turkey is situated on the European continent, the bulk belongs to Asia. Istanbul – in ancient times the city was renowned for its progressive water supply system under the name...

GPS-based navigation systems have revolutionised branches of technology and nowadays are absolutely essential for modern industrial applications. As far as traditional mining technology is concerned...

The ramps of the present-day rail routes at the Ceneri amount to up to 26 %o - the same gradients that are to be found at the Gotthard. The building of the Gotthard Base Tunnel alone would not have...