Tunnel boring machine (English Wikipedia)

Weise, Karen (2016-01-06). "Bertha the Giant Drill Is Ready to Rumble in Seattle". Bloomberg Businessweek (Bloomberg.com). Archived from the original on 2016-03-09. Retrieved 21 July 2017.

books.google.com

David William Brunton and John Allen Davis, Modern Tunneling: With Special Reference to Mine and Water-supply Tunnels (New York, New York: John Wiley & Sons, 1914), p. 182.
Frederick Edward Blackett Beaumont, U.K. Patent no. 1,904 (issued: July 30, 1864). (See: Patents for Inventions. Abridgments of Specifications relating to Mining, Quarrying, Tunnelling, and Well-sinking (London, England: Office of the Commissioners of Patents for Inventions, 1874), p. 247. Archived 2023-07-28 at the Wayback Machine)
F.E.B. Beaumont, U.K. Patent no. 4,166 (issued: Dec. 2, 1875). (See: Patents for Inventions. Abridgments of Specifications. Class 85, Mining, Quarrying, Tunnelling, and Well-sinking (London, England: Patent Office, 1904), p. 169. Archived 2023-07-28 at the Wayback Machine)

creg-germany.com

Commercial websites that reference the same types of material include:
- "Special Application TBM U-Shape TBM". CREG Underground Solutions. Archived from the original on 9 September 2017. Retrieved 2 November 2021.
- CREG-Wirth Staff (2017-09-09). "Earth Pressure Balance". CREG-Germany.com. Erkelenz, Germany: CREG TBM Germany GmbH. Metro Kuala Lumpur, Malaysia > Project; and Metro Kuala Lumpur, Malaysia > Tech Specs. Archived from the original (manufacturer's commercial site) on 2017-09-09. Retrieved 22 April 2025.^{[independent source needed]}

descend.com.au

Walters, D. "Sydney Airport Link Rail Tunnel Project, Des Walters: Under Pressure Underground". Descend Underwater Training Centre. Archived from the original on 2003-09-24. Retrieved 2008-10-08.

hitachizosen.co.jp

"Shield Tunneling Machines". Hitachi Zosen Corporation. Archived from the original on 2023-01-23. Retrieved 2023-02-04.^{[full citation needed]}^{[independent source needed]}

hoosactunnel.net

Howes, M. "Hoosac Tunnel History - Abridged Timeline". Archived from the original on 21 May 2011. Retrieved 14 July 2011.

im-mining.com

IM Staff (29 November 2013). "Aker Sells TBM and Shaft Sinking Businesses to China's CRTE". International Mining (IM, IM-Mining.com). Berkhamsted, England: IM Team Publishing. Retrieved 22 April 2025. Note, the acquisition was sans Wirth's newer Mobile Tunnel Miner technology developed with Codelco and Rio Tinto, see article.

mindfully.org

Hapgood, Fred, "The Underground Cutting Edge: The innovators who made digging tunnels high-tech",Invention & Technology Vol.20, #2, Fall 2004 Archived 2005-03-15 at the Wayback Machine

naplibrary.com

Smith, Gary. "FINDING AID FOR THE HOOSAC TUNNEL COLLECTION at the NORTH ADAMS PUBLIC LIBRARY". Hooac Tunnel Historical Notes. North Adams Public Library. Archived from the original on 15 January 2004. Retrieved 14 July 2011.

patents.google.com

Wilson, Charles. "Dressing stone," U.S. patent 5,012 (issued: March 13, 1847).
Wilson, Charles. "Machine for tunneling rocks, etc.," U.S. patent 14,483 (issued: March 18, 1856).
Talbot, Ebenezer. "Machine for tunnelling or boring rock," U.S. patent 9,774 (issued: June 7, 1853).
Brunton, John D. "Improved machine for sinking shafts," U.S. patent 80,056 (issued: July 21, 1868).
Thomas English, U.K. Patent no.s 4,347 (issued: October 25, 1880) and 5,317 (issued: December 5, 1881); "Tunneling-machine," U.S. patent 307,278 (filed: June 4, 1884 ; issued: October 28, 1884).

si-eng.org

Shen, Si (25 October 2021). "TBM selection - EPB and SlurrySi Shen". The Si-Eng. Retrieved 2023-10-29.

straitstimes.com

Tan, Christopher (June 14, 2016). "New Tunnel-Boring Machine Makes Cutting Corners Perfectly Sound". The Straits Times. Archived from the original on February 27, 2020. Retrieved February 27, 2020.

tunnel-online.info

""U-shape": First Shield Machine for horseshoe-shaped Cross Sections - tunnel". www.tunnel-online.info. Archived from the original on 2020-02-27. Retrieved 2020-02-27.^{[full citation needed]}

wa.gov

wsdot.wa.gov

"Alaskan Way Viaduct - Home". www.wsdot.wa.gov. Archived from the original on 28 July 2023. Retrieved 21 July 2017.^{[full citation needed]}
"Alaskan Way Viaduct - Recapping Bertha's breakthrough". Washington State Department of Transportation. 2017-04-06. Archived from the original on 2017-09-01.^{[full citation needed]}

web.archive.org

Tan, Christopher (June 14, 2016). "New Tunnel-Boring Machine Makes Cutting Corners Perfectly Sound". The Straits Times. Archived from the original on February 27, 2020. Retrieved February 27, 2020.
""U-shape": First Shield Machine for horseshoe-shaped Cross Sections - tunnel". www.tunnel-online.info. Archived from the original on 2020-02-27. Retrieved 2020-02-27.^{[full citation needed]}
Commercial websites that reference the same types of material include:
- "Special Application TBM U-Shape TBM". CREG Underground Solutions. Archived from the original on 9 September 2017. Retrieved 2 November 2021.
- Hapgood, Fred, "The Underground Cutting Edge: The innovators who made digging tunnels high-tech",Invention & Technology Vol.20, #2, Fall 2004 Archived 2005-03-15 at the Wayback Machine
- Smith, Gary. "FINDING AID FOR THE HOOSAC TUNNEL COLLECTION at the NORTH ADAMS PUBLIC LIBRARY". Hooac Tunnel Historical Notes. North Adams Public Library. Archived from the original on 15 January 2004. Retrieved 14 July 2011.
- Howes, M. "Hoosac Tunnel History - Abridged Timeline". Archived from the original on 21 May 2011. Retrieved 14 July 2011.
- Frederick Edward Blackett Beaumont, U.K. Patent no. 1,904 (issued: July 30, 1864). (See: Patents for Inventions. Abridgments of Specifications relating to Mining, Quarrying, Tunnelling, and Well-sinking (London, England: Office of the Commissioners of Patents for Inventions, 1874), p. 247. Archived 2023-07-28 at the Wayback Machine)
- F.E.B. Beaumont, U.K. Patent no. 4,166 (issued: Dec. 2, 1875). (See: Patents for Inventions. Abridgments of Specifications. Class 85, Mining, Quarrying, Tunnelling, and Well-sinking (London, England: Patent Office, 1904), p. 169. Archived 2023-07-28 at the Wayback Machine)
- "Shield Tunneling Machines". Hitachi Zosen Corporation. Archived from the original on 2023-01-23. Retrieved 2023-02-04.^{[full citation needed]}^{[independent source needed]}
- "Alaskan Way Viaduct - Home". www.wsdot.wa.gov. Archived from the original on 28 July 2023. Retrieved 21 July 2017.^{[full citation needed]}
- Weise, Karen (2016-01-06). "Bertha the Giant Drill Is Ready to Rumble in Seattle". Bloomberg Businessweek (Bloomberg.com). Archived from the original on 2016-03-09. Retrieved 21 July 2017.
- "Alaskan Way Viaduct - Recapping Bertha's breakthrough". Washington State Department of Transportation. 2017-04-06. Archived from the original on 2017-09-01.^{[full citation needed]}
- CREG-Wirth Staff (2017-09-09). "Earth Pressure Balance". CREG-Germany.com. Erkelenz, Germany: CREG TBM Germany GmbH. Metro Kuala Lumpur, Malaysia > Project; and Metro Kuala Lumpur, Malaysia > Tech Specs. Archived from the original (manufacturer's commercial site) on 2017-09-09. Retrieved 22 April 2025.^{[independent source needed]}
- Walters, D. "Sydney Airport Link Rail Tunnel Project, Des Walters: Under Pressure Underground". Descend Underwater Training Centre. Archived from the original on 2003-09-24. Retrieved 2008-10-08.
- Bennett, MH; Lehm, J; Barr, P. "Medical support for the Sydney Airport Link Tunnel project". South Pacific Underwater Medicine Society. 32 (2). Archived from the original on December 11, 2008. Retrieved 2008-10-08.