Fibre Reinforced Concrete in Tunneling
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In mechanized tunnelling, a TBM (Tunnel Boring Machine) installs concrete segments and is becoming a more common method in the tunnelling world.
Particularly in urban areas or geologically difficult situations, the use of a TBM is a very attractive option. Mechanized tunnelling has increased continuously for over 30 years.
Conventional tunnelling can be defined as the construction of underground openings of any shape with a cyclic construction process composed of the following key steps:
- excavation
- placement of the primary support.
When the temporary lining is fully stabilized, a permanent cast in place concrete lining can be installed to contain long-term loads, and provide durability and water tightness.
Application | Product | |
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Temporary Lining (spray concrete) |
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Segment Reinforcement |
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Final Lining (spray concrete) |
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Shaft & Cast in Place Lining |
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Fire Resistance |
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