A tunnel boring machine (TBM) is a massive underground construction machine that simultaneously excavates rock and soil using 600 cutting discs, transports the excavated material via conveyor belt, and installs precast concrete lining segments to create permanent tunnel walls, advancing approximately 40 meters per 24-hour shift.
Install our extension to search inside any video instantly.
How Does A Tunnel Boring Machine Build A Tunnel?
Added:This machine weighs 4,850 [music] tons and fits inside a tunnel. It cuts, removes, and lines the walls. [music] 600 cutting discs grind through rock at the front. Fragments travel back on a conveyor along it. [music] Behind the cutter head, a segment erector places precast rings onto the tunnel wall as it moves. [music] On a 24-hour shift, it advances [music] 40 m.
But how does a machine this size get underground? The building
Related Videos
#page
NehaGupta_Vlogss
49K views•2026-06-06
Am I the Only Fool Cutting Green Wheat?
FarmerMD
522 views•2026-06-10
Keeping a MASSIVE Ancient Steam Engine Running
UnEarthedonyoutube
394 views•2026-06-10
5 On Your Side at 10 - June 10, 2026 (Full Broadcast)
KSDK
1K views•2026-06-11
The Forbidden Technique That Flattens Any Board Perfectly. (Tool Companies Are Furious)
HeritageWoodcraftyt
307 views•2026-06-07
Why Did We Stop Using This Amish Natural Cooling System?
LachelleCassels
104 views•2026-06-09
Hydraulic Power Lifts Massive Boats: The Peterborough Lift Lock Explained
trentsevernguide
849 views•2026-06-08
Tesla’s New Engine Technology Is So Advanced, Competitors Don’t Know How to Respond
OpticExpedition
408 views•2026-06-11
