TBM-07 · METRODrive control · Line 7 to Central Station
0d 00:00
0/0
0 m
–

Long-section · shaft to station

FillClaySand / waterRockSettlement
Cutter change in progress
Hyperbaric intervention – cutterhead locked

Tunnel Boring Machine · Metro Drive

Drive a 6.8 m earth-pressure-balance TBM 120 m under a busy city street to Central Station. Hold the face with the right pressure, grout the tail void, steer true, and change worn disc cutters before they fail.

W / SThrust up / down E / QCutterhead RPM R / FFace pressure (green band = target for the ground) T / GTail grout pressure ArrowsSteer (pitch / yaw) – mixed faces pull the shield off line XReplace cutters (stops the drive) 1 2 3 · CCameras: cutaway / tunnel / cutterhead Drag · wheelOrbit & zoom (right-drag or 2 fingers: pan) Space · Z · MPause · time scale · sound

Too little face pressure lets the ground slump – the surface (shown 25× exaggerated) sinks and damages buildings and pipes. Too much risks blow-outs. Hard rock lenses and boulders need more thrust (follow the green band on the thrust slider), wear cutters and can stall the head.

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