Herrenknecht

Herrenknecht AG
Company typePrivate (AG)
IndustryHeavy equipment
Geotechnical engineering
Founded1975
FounderMartin Herrenknecht
HeadquartersSchwanau, Germany
Key people
Martin Herrenknecht, President & CEO
ProductsTunnel boring machines
Revenue1,137 € million (2018)
39.3 € million (2013)
Number of employees
5,426 (2018)
DivisionsTraffic Tunnelling
Utility Tunnelling
Vertical Drilling Rigs
SubsidiariesHerrenknecht Vertical GmbH, Maschinen – Und Stahlbau Dresden, Herrenknecht Formwork Technology GmbH
Websitewww.herrenknecht.com/en/

Herrenknecht AG is a German company that manufactures tunnel boring machines (TBMs). Headquartered in Allmannsweier, Schwanau, Baden-Württemberg, it is the worldwide market leader for heavy TBMs.

Established by Martin Herrenknecht in 1975, the company soon grew. Its first overseas subsidiary, Herrenknecht International Ltd, was created in 1984; a further 79 subsidiaries would be setup or purchased over the next 30 years to provide global coverage. Its products have often pushed technological boundaries; a Herrenknecht-built TBM in the late 1990s was the largest in the world at that time, while the world's longest and deepest railway tunnel (the Gotthard Base Tunnel) was bored using the company's apparatus. By 2015, the company had around 5,000 employees.

History

Martin Herrenknecht established the Martin Herrenknecht engineering company in 1975; it initially had six employees.[1] Two years later, it became Herrenknecht GmbH, at which point it had a capital of 20 million euros.[2] By 1984, Herrenknecht had opened Herrenknecht International Ltd. in Sunderland, England, its first foreign subsidiary.[3]

During the late 1980s, the company became involved with Maschinen und Stahlbau GmbH of Dresden. Following the merger of the two companies in 1988, Herrenknecht became a joint-stock company (AG). Throughout the 1990s and 2000s, the company pursued an expansion strategy to achieve worldwide operations.[1]

During the late 1990s, Herrenknecht built a TBM with a diameter of 14.20m, which was the largest in the world at that time, for a project to increase the capacity of the Elbe Tunnel in Hamburg, Germany (completed in 2002).[4] The boring of the world's longest and deepest railway tunnel, the Gotthard Base Tunnel in Switzerland, was performed using the company's machinery; excavation was completed in 2009, roughly six months ahead of schedule.[5][6] That same year, Herrenknecht delivered a pair of TBMs with a diameter of 15.43m, then the largest in the world, for the boring of two large tunnels under Shanghai, China.[7]

In December 2012, Herrenknecht acquired Techni-Métal Systemes SAS, a French manufacturer of tunnel supply vehicles; the move expanded the company's portfolio to comprise all technical equipment and services relating to TBMs.[8] Three years later, Herrenknecht launched its first horizontal directional drilling HDD rock cutting tools, which enabled the company to cover the complete drilling process.[9]

By 2015, the company had around 5,000 employees, roughly two-thirds of which worked at the company's headquarters in the installation of hydraulic and electronic components and final inspection.[10] Furthermore, 300 staff worked at three locations across China. In 2015, Herrenknecht had 82 subsidiaries around the world and has worked on 2,600 projects.[11][12] During the 2010s, the company developed a new semi-trenchless method for pipeline installation;[13] by 2019, roughly 380 km of new pipelines were being installed worldwide using Herrenknecht's technology.[14]

During 2014, the company reported a record level of orders at 1.2 billion euros, which was primarily attributed to its involvement in the construction of multiple metro expansion schemes across the Middle East and Asia.[15][16] In the mid 2010s, eight Herrenknecht-built TBMs, valued at £10 million, were deployed to bore out a 13 mile stretch of tunnel for Crossrail, a mostly-underground commuter railway line beneath London.[17][18]

In May 2020, workers on the Brenner Base Tunnel reportedly set a new record for hard rock tunnel, boring a distance of 61 meters and 4 centimeters within 24 hours, a feat that was achieved using a Herrenknecht TBM.[19] During 2021, the UK's largest TBM was delivered by Herrnknecht for the boring of the Silvertown Tunnel.[20] Herrenknecht also produced the TBMs to bore multiple tunnels for Britain's High Speed 2 (HS2) railway line.[21][22]

During 2023, Herrenknecht acquired a majority stake in the geothermal energy specialist H. Anger’s Söhne Bohr- und Brunnenbaugesellschaft mbH in order to expand the company’s portfolio of automated drilling rigs and equipment.[23] The firm has also investigated the use of advanced control systems, guided by artificial intelligence, in order to minimise noise levels generated from geothermal energy schemes.[24]

Products and services

The company works with the mining, transport and energy sectors, building TBMs for road, railway, metro and utilities construction.[25] In mining, it offers a range of automation technology including underground vehicles, conveyor belts and monitoring systems, and shaft-drilling equipment.[26] In the energy industry, it provides equipment for oil and gas pipelines, fossil fuel exploration, geothermal energy development and electricity tunnels.[27] Its drilling rigs can reach eight kilometers underground and its TBMs range in diameter from 10 cm to 19 meters.[28][29]

Its other services include tunneling personnel, spare parts/refurbishment, installation, rental and re-used TBMs.[30][31] As an international company, 90% of its sales were outside of Germany as of 2015.[32] Over time, the company has applied its underground expertise to new areas, such as the decommissioning of offshore wells.[33]

Herrenknecht has formed several partnerships and joint ventures with other companies. During early 2020, the Belgium offshore installation specialist DEME Offshore and Herrenknecht formed a team to produce a subsea drill for use at the Saint-Nazaire offshore wind farm in France.[34] The French geothermal specialist Arverne Group formed a strategic partnership with Herrenknecht to create a new company, DrillDeep, that focuses on extracting deep geothermal energy.[35]

  • The rotor of TBM at the Nekrasovskaya line construction site in Moscow
    The rotor of TBM at the Nekrasovskaya line construction site in Moscow
  • Tunnel boring machine (TBM), Buenos Aires
    Tunnel boring machine (TBM), Buenos Aires
  • TBM in Buenos Aires
    TBM in Buenos Aires
  • Model of TBM, Gotthard Base Tunnel exhibition
    Model of TBM, Gotthard Base Tunnel exhibition
  • Model of TBM (side view), Bauma 2016
    Model of TBM (side view), Bauma 2016
  • Model of TBM (front view), Bauma 2016
    Model of TBM (front view), Bauma 2016

References

  1. ^ a b "History – Herrenknecht AG". herrenknecht.com. Archived from the original on 12 June 2013. Retrieved 8 June 2015.
  2. ^ "Register portal". handelsregister.de. Archived from the original on 28 August 2019. Retrieved 9 June 2015.
  3. ^ "Filing history". beta.companieshouse.gov.uk. Retrieved 9 June 2015.
  4. ^ "Fourth Elbe Tunnel, Hamburg, Germany" (PDF). wf-ingbau.de. Archived from the original (PDF) on 15 September 2015. Retrieved 8 June 2015.
  5. ^ Edwards, Tracy (23 September 2009). "An early finish for Herrenknecht". constructionnews.co.uk.
  6. ^ "Gotthard tunnel: World's longest and deepest rail tunnel opens in Switzerland". BBC News. 1 June 2016. Retrieved 1 June 2016.
  7. ^ Edwards, Tracy (2 November 2009). "Herrenknecht giants prepare the way for China tunnels". constructionnews.co.uk.
  8. ^ "Herrenknecht Acquires Techni-Métal Systemes". tunnelingonline.com. 3 January 2013.
  9. ^ Lubberger, Michael (4 August 2016). "Herrenknecht's Full Face Hole Opener". tunnelingonline.com.
  10. ^ "Our employees – Herrenknecht AG". herrenknecht.com. Archived from the original on 22 May 2013. Retrieved 8 June 2015.
  11. ^ "Facts & Figures – Herrenknecht AG". herrenknecht.com. Archived from the original on 2 December 2014. Retrieved 8 June 2015.
  12. ^ "Company – Herrenknecht AG". herrenknecht.com. Archived from the original on 16 August 2015. Retrieved 9 June 2015.
  13. ^ "Herrenknecht Pipe Express Deployed in Sweden". tunnelingonline.com. 8 April 2015.
  14. ^ "Herrenknecht Innovations Keep Pipeline Projects Moving". tunnelingonline.com. 6 February 2019.
  15. ^ Zeitung, Badische. "Wirtschaft: Rekordniveau: Tunnelmaschinenbauer Herrenknecht legt kräftig zu". badische-zeitung.de. Retrieved 9 June 2015.
  16. ^ "Herrenknecht to Supply 15 Tunnel Boring Machines to Doha". tunnelingonline.com. 12 March 2014.
  17. ^ Topham, Gwyn. "Crossrail unveils German machines that will bore into the heart of London". the Guardian. Retrieved 8 June 2015.
  18. ^ Fitzpatrick, Tom (23 January 2012). "Pic Exclusive: Crossrail TBMs being assembled". constructionnews.co.uk.
  19. ^ "Herrenknecht TBM Reaches Milestone on Brenner Base Tunnel". tunnelingonline.com. 5 August 2020.
  20. ^ Price, David (15 December 2021). "In pictures: UK's largest tunnel-boring machine gets green light". constructionnews.co.uk.
  21. ^ Horgan, Rob (11 October 2020). "Herrenknecht to supply TBMs for London's HS2 tunnels". New Civil Engineer.
  22. ^ Marshall, Jordan (13 May 2021). "HS2 launches first giant tunnelling machine to dig under Chiltern Hills". building.co.uk.
  23. ^ Cariaga, Carlo (27 November 2023). "Herrenknecht acquires majority stake in geothermal drilling specialist". thinkgeoenergy.com.
  24. ^ Cariaga, Carlo (11 October 2023). "Research aims to use AI to reduce noise in geothermal drilling". thinkgeoenergy.com.
  25. ^ "Tunnelling – Herrenknecht AG". herrenknecht.com. Retrieved 8 June 2015.
  26. ^ "Mining – Herrenknecht AG". herrenknecht.com. Retrieved 8 June 2015.
  27. ^ "Exploration – Herrenknecht AG". herrenknecht.com. Retrieved 8 June 2015.
  28. ^ "Herrenknecht Tunnelling Systems USA Inc. | International Pipeline Exposition". internationalpipelineexposition.com. Archived from the original on 14 September 2015. Retrieved 8 June 2015.
  29. ^ "Facts & Figures – Herrenknecht AG". herrenknecht.com. Archived from the original on 2 December 2014. Retrieved 8 June 2015.
  30. ^ "Services – Herrenknecht AG". herrenknecht.com. Retrieved 8 June 2015.
  31. ^ "Successful Re-use for Herrenknecht Borer in The Hague". tunnelingonline.com. 24 May 2019.
  32. ^ "Herrenknecht baut die grössten Tunnelbohrmaschinen der Welt: Der Bezwinger des Gotthards". Neue Zürcher Zeitung. Retrieved 8 June 2015.
  33. ^ Maslin, Elaine (21 October 2019). "A New Slant on Decommissioning". oedigital.com.
  34. ^ "DEME, Herrenknecht Building Special Drill for French Offshore Wind Farm". oedigital.com. 12 February 2020.
  35. ^ Cariaga, Carlo (28 March 2024). "Arverne, Herrenknecht create partnership for deep geothermal drilling". thinkgeoenergy.com.

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