Tunnel Formworks

TUNNEL FORMWORK

Intended for the construction of typical tunnels. Formwork is bespoke designed according project requirements with no limits in the dimension of the geometry and length. 

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FULLROUND FORMWORK

Intended for the construction of a 360° tunnel. KERN is able to provide a revolutionary high-tech fullround formwork. The innovative system is designed to carry out a 360° concrete secondary lining guaranteeing a finalfinishing without holes or steps.

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INVERT FORMWORK

Intended for the construction of the tunnel invert previous the vault section. The formwork can be designed to create a specific shape of the tunnel invert according customer requirements. The transport is performed by a double length telescopic traveller.

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SLAB FORMWORK

Intended for the construction of a deck secondary lining. The slab formwork is engineered to resist pressure given by concrete thickness of more than 2 meters. Machine can be equipped by a service gantry with a concrete distribution system.

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EXTERNAL FORMWORK

Intended for the construction of an inlet external tunnel. The external formwork works together with the main internal formwork in order to create a “false tunnel” at the entrance of the main one.

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ENLARGEMENT FORMWORK

Intended for the construction of enlargement sections. The solutions that KERN is able to provide for this type of work are several.

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BY-PASS FORMWORK

Intended for the construction of the secondary lining of crosspassage tunnels between two main lines.
The machine can be designed with transformable in order to be reused in different geometries within the same project.

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CONNECTIONS AND NICHES

Intended for the construction of the collar connection between a main tunnel and a crosspassage.

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K-ONE - CONCRETE CASTING SYSTEM

K-ONE is the brand new and innovative automated concrete casting device.
Designed to be installed directly on the formwork skin, the K-ONE combines the flexibility and efficiency of having a complete integrated system.

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