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2. Martina (tunnel boring machine) - Wikipedia

   en.wikipedia.org/.../Martina_(tunnel_boring_machine)

   The Martina tunnel boring machine (officially named as the S-574. [ 1 ] ) is a hard rock tunnel boring machine built by Herrenknecht AG . It is the largest hard rock tunnel boring machine in the world and has been used for drilling the Sparvo Tunnel, a part of the larger Variante di Valico project in Italy .

3. 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.

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. Tunnel boring machine - Wikipedia

   en.wikipedia.org/wiki/Tunnel_boring_machine

   One of the boring machines used for the Channel Tunnel between France and the United Kingdom. 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.

6. Microtunneling - Wikipedia

   en.wikipedia.org/wiki/Microtunneling

   In most microtunneling operations the machine is launched through an entry eye and pipes are pushed behind the machine. This pipe jacking process is repeated until the MTBM reaches the reception shaft at the far end. The speed of the advancing machine is limited to the speed at which the pipe is inserted into the entry eye via the hydraulic ...

7. Trenchless technology - Wikipedia

   en.wikipedia.org/wiki/Trenchless_technology

   Trenchless construction includes such construction methods as tunneling, microtunneling (MTM), horizontal directional drilling (HDD) also known as directional boring, pipe ramming (PR), pipe jacking (PJ), moling, horizontal auger boring (HAB) and other methods for the installation of pipelines and cables below the ground with minimal excavation.

8. Boring machine - Wikipedia

   en.wikipedia.org/wiki/Boring_machine

   Boring machine may refer to: Boring machine (carpentry) A machine for boring (manufacturing) holes; Tunnel boring machine; A machine that is not very exciting. See also

9. Category:Tunnel boring machines - Wikipedia

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

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