Site visit to Frejus Exploratory tunnel:
Segment Factory:
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| 40 ton crane at the main portal of the jobsite. |
Segment Factory:
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| Segment mould with anchored gaskets installed and oiled. |
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| Concrete casting of the key segment. |
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| Connector socket and spacer for the reinforcement. |
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| Forklifts for the segments handling. |
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| Anchored gasket installation on the mould. |
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| Longitudinal joint of the segment with guiding rod. |
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| Invert precast segments. |
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| Segments stockage area. |
Underground TBM assembly cavern:
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| TBM's shield and cutterhead during assembly. |
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| Lifting device for the assembly of the TBM's shield components. |
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| Overhead crane for the assembly of the backup. |
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| Main bearing of the TBM. |
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| Launching pit of the TBM. |
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