V-mole-technology

Mechanical Shaft Enlargement in Hard Rock Mining

Herrenknecht AG has developed a next generation of the rodless shaft enlargement machines that have been established on the market for decades as so-called V-Mole technology. Herrenknecht worked closely together with two very experienced companies highly renowned in the mining industry, Thyssen Schachtbau and Murray & Roberts Cementation, to update and adapt the technology to current conditions and requirements. The result is the SBE (Shaft Boring Machine for Shaft Enlargement). It facilitates high sinking speeds and maximum working safety for shaft boring using the pilot borehole. With this...

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Issue 2011-04

Vertical Shaft Construction at the Pump Storage Plant Vianden/Luxembourg

1 New capacities for the pump storage plant Vianden The pump storage plant (PSP) Vianden/Luxembourg was put into operation in 1963/1964 with 9 sets of machines and in the mid-1970s it was extended to...

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Issue 2013-05 Specialised Work

Infotainment Elevator for Altena Castle – An unusual Tunnelling and Shaft Sinking Project

Elevator The castle’s position high above Altena may be picturesque but it also poses a problem in terms of accessibility. There is no direct link between the town centre and the castle so that...

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Issue 2011-07

Declined-shaft Tunnelling in St. Petersburg

1 Introduction 1.1 The St. Petersburg metro St. Petersburg was established by Czar Peter the Great in 1703 to secure strategically important access to the Baltic Sea for Russia. The city was built on...

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Germany

Albvorland Tunnel: Tunnel Boring Machine “Sibylle” Arrives at Wendlingen

In contrast to “Wanda”, the second tunnel boring machine, which is excavating the Albvorland Tunnel’s south bore, Sibylle did not build the complete tunnel to the portal in Wendlingen am Neckar....

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Issue 2019-04

5th Rock Mechanics and Tunnelling Day

To kick off, Gerd Dietrich Bolte, manager for major projects in central Germany for the DB Netz AG, dealt with the infrastructure development programme “Frankfurt RheinMain plus” involving 16...

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