Key Functions in Tunnel Construction:
Spraying Concrete
Wet shotcrete is applied directly to the tunnel walls and roof.
The machine provides uniform coverage with high adhesion, even on uneven rock surfaces.
Tunnel Support
Creates a protective concrete layer that stabilizes surrounding rock.
Often used as the first layer of support after excavation (primary lining).
Works in combination with rock bolts, wire mesh, and steel ribs for added support.
Main Advantages:
High efficiency: Output up to 50 m³/h for fast spraying.
Dust control: Less rebound and dust compared to dry shotcrete.
Consistent quality: Accurate water-cement ratio ensures better strength.
Remote control (in robotic types): Safe and precise spraying in hard-to-reach areas.
Typical Applications:
Road and railway tunnels
Water diversion tunnels
Metro and utility tunnels
Hydropower station caverns
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