TUNNEL SUPPORTS
Segment Connection
Biblock system are circumferential connectors that can be custom desgined for tunnel segment production. 2 most commonly used sockets, 1 pin and 1 centering ring. In some types, the pin and centering ring are molded together. The cutting capacity is guaranteed by the centering ring followed by the pin. Tensile strength depends on pin / socket interaction. Different pins, sockets and centering rings are available
- Advantages;
- Cost savings per mold / ring;
- Fast segment setup;
- Safer field conditions;
- Less staff needed on the tunnel face;
- Better segment alignment;
- Smooth inner tunnel surface;
- Lower water friction in hydraulic tunnels;
- Dielectric insulation throughout the tunnel
- Lifting sockets can be used for a variety of precast Two functions
These designed sockets can be used with the TBM segment mounting system to lift the segments into place in the ring or for primary or secondary injection across the segments.
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