CLASSIC CASE
The G219 Line West Tianshan Tunnel, with a total length of 15700m (left tunnel 6870m, right tunnel 6856m, pilot tunnel 6835m), uses TBM construction for the pilot tunnel. The tunnel boring machine has an inner diameter of 8.2 meters, the excavation cross-section of the main tunnels is 100 square meters, and the elevation is 2600 meters.
Fan Model: SDF (p2) -N o 20/2x355、SDF (p2) N o 16/2x75
Total Installed Power: 710km、150kW
Matching Air Duct: φ2200mm、φ2000mm
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