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Issue 06/2021

Tunnelling in Germany: Statistics (2020/2021), Analysis and Outlook

As in previous years, the STUVA also undertook a survey of current tunnelling projects in Germany at the turn of the year 2020/21. The outcome is compiled in tabular form for the month of December 2020 and subsequently assessed.

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Issue 06/2021 tunnel Series: Interaction Modeling in Mechanized Tunneling, Part 6

Process-Oriented Numerical Simulations and Track Design in Urban Mechanized Tunnelling

The development of a real-time interactive platform for digital exploration and evaluation of various tunnel alignments in urban areas provides a valuable tool during the planning process to support...

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Issue 06/2021

Requirements for Annular Gap Mortar for TBM Driven Tunnels With Single Segmental Lining

The complete backfilling of the annular gap between the excavation contour and the outer contour of the segmental ring with a suitable material is an essential element for supporting the rock mass,...

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Issue 06/2021 Risk Management in Major Tunnelling Projects – Part 2

Digital Project Risk Twin – Application for the Construction of U5 East, Hamburg

Major projects involve a high investment volume, a high degree of uncertainty, and long durations. In order to cope with this, the use of a digital project risk twin is advantageous, with which...

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Switzerland/Germany

Sika to Acquire MBCC Group

Sika has signed a definitive agreement to acquire MBCC Group, the former BASF Construction Chemicals, from an affiliate of Lone Star Funds, a global private equity firm, for a consideration of 5.2...

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tunnel Series: Interaction Modeling in Mechanized Tunneling, Part 6

Process-Oriented Numerical Simulations and Track Design in Urban Mechanized Tunnelling

The development of a real-time interactive platform for digital exploration and evaluation of various tunnel alignments in urban areas provides a valuable tool during the planning process to support...

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Austria

12th Austrian Tunnel Day: Andreas Rath Takes Over Presidency of ITA Austria

The 12th Austrian Tunnel Day could not be held in 2020 due to Covid 19. Therefore, the Austrian National Committee of ITA (ITA Austria) held the Tunnel Day as a hybrid event on October 13, 2021, at...

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Germany

Investigation of Frictional Forces in Segment Joints

Enormous forces are at work during the construction of a tunnel. Heavy TBMs cut through the earth under the pressure of the thrust cylinders while assembling the segment lining. Dr. Ansgar Korte from...

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Austria

Symbolic Groundbreaking Ceremony at the North Portal of the Brenner Base Tunnel

At the base of the Viller mountain in the middle of Innsbruck's Sill Gorge, the symbolic start of tunnelling was celebrated on 28 October 2021. The significance of this important step towards...

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Issue 05/2021

BAUER Spezialtiefbau GmbH

BAUER Spezialtiefbau GmbH has played a major role in the development of special foundation engineering worldwide. Our main services include all types of bored piles, anchors, diaphragm and cut-off...

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