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2. Tunnel boring machine - Wikipedia

   en.wikipedia.org/wiki/Tunnel_boring_machine

   A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology. Tunnel boring machines are an alternative to drilling and blasting (D&B) methods and "hand mining".

3. Tunnelling shield - Wikipedia

   en.wikipedia.org/wiki/Tunnelling_shield

   Tunnel boring machine to excavate a Double-O-Tube Double-O tube tunnel example. In Japan there are several innovative approaches to shield tunnelling, e.g. the Double-O-Tube or DOT-tunnel. This tunnel looks like two overlapping circles. There are also shields with computerized arms which can be used to dig a tunnel in virtually any shape. [4]

4. Tuen Mun–Chek Lap Kok TBM - Wikipedia

   en.wikipedia.org/wiki/Tuen_Mun–Chek_Lap_Kok_TBM

   The Tuen Mun - Chek Lap Kok TBM otherwise known as Qin Liangyu or more formally, the Mixshield S-880 was the world's largest tunnel boring machine launched in June 2015 by Herrenknecht in Germany. [1] [2] The TBM was used to drill a 5 km tunnel connecting Tuen Mun to the Hong Kong International Airport, part of the Tuen Mun–Chek Lap Kok Link ...

5. New tunnel boring machine named after environmental ... - AOL

   www.aol.com/tunnel-boring-machine-named...

   A new tunnel boring machine named Elaine is coming to ... to air event on Prime Video. Food. Food. ... 49ers coach Kyle Shanahan said LB De'Vondre Campbell 'didn't want to play,' and left.

6. Bromford tunnel - Wikipedia

   en.wikipedia.org/wiki/Bromford_tunnel

   The tunnel will have 13 cross-passages, spaced every 500 m (1,640 ft), and 5.5 m (18.0 ft) wide. [ 12 ] The eastern portal at Water Orton will have a porous portal, likely in the form of a perforated concrete structure, to mitigate the sound and shockwave produced by the piston effect of moving trains, travelling 230 km/h (145 mph).

7. Category:Tunnel boring machines - Wikipedia

   en.wikipedia.org/.../Category:Tunnel_boring_machines

   Beck tunnel boring machine; Bertha (tunnel boring machine) M. Martina (tunnel boring machine) T. Tuen Mun–Chek Lap Kok TBM

8. ‘This Is Anything But Boring’: Seattle Names New Tunnel ...

   www.aol.com/entertainment/anything-boring...

   Seattle Public Utilities held a public naming contest for its latest massive piece of machinery — a tunnel boring machine that will be used to build a storage space for the Ship Canal Water ...

9. Bertha (tunnel boring machine) - Wikipedia

   en.wikipedia.org/wiki/Bertha_(tunnel_boring_machine)

   Freighter Fairpartner carrying the disassembled tunnel boring machine into the Port of Seattle in April 2013. Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and was the world's largest earth pressure balance tunnel boring machine, [14] at a cutterhead diameter of 57.5 feet (17.5 m) across.