Moscow Metro Big Circle Line
Moscow, Russia
5 x 6.28 m
CRCHI EPB TBMs
10.88 m "Victory"
Large-Diameter EPB
433.8 m
Monthly Advance Record
Clay and limestone
Geology
CRCHI supplied multiple EPB shield TBMs for the Moscow Metro Big Circle Line, the longest underground metro circle in the world. CRCHI delivered five 6.28 m EPB machines for earlier drives and the 10.88 m EPB "Victory" for the larger-diameter alignment, where the fleet set a productivity record of 433.8 metres advanced in a single month.
