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What is TBM machine??
A tunnel boring machine (TBM) is a machine that digs tunnels through various types of ground, including hard rock, sand, clay, and volcanic rock. TBMs are used in construction and civil engineering projects.
Here are some facts about TBMs:
How they work
TBMs use a rotating head with cutting parts to bore through the ground in a single operation called full-face drilling. They can be powered by hydraulic or electric motors, but are always 100% electric.
Size
TBMs can weigh more than 6,000 tons and be over 150 meters long.
Cost
TBMs can be expensive, costing up to €25 million for a 15 meter diameter machine.
Types
There are different types of TBMs, such as hard rock TBMs and soft ground TBMs. The type of TBM used depends on the geology of the project.
Shoring
TBMs can also be used to place shoring systems, which are temporary containment mechanisms that support excavations and structures.
Naming
TBMs are traditionally given female names, a custom that dates back to the 1500s.
Here are some facts about TBMs:
How they work
TBMs use a rotating head with cutting parts to bore through the ground in a single operation called full-face drilling. They can be powered by hydraulic or electric motors, but are always 100% electric.
Size
TBMs can weigh more than 6,000 tons and be over 150 meters long.
Cost
TBMs can be expensive, costing up to €25 million for a 15 meter diameter machine.
Types
There are different types of TBMs, such as hard rock TBMs and soft ground TBMs. The type of TBM used depends on the geology of the project.
Shoring
TBMs can also be used to place shoring systems, which are temporary containment mechanisms that support excavations and structures.
Naming
TBMs are traditionally given female names, a custom that dates back to the 1500s.