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Latest ITER Newsline

  • IAEA and ITER | Even closer cooperation

    Under Practical Arrangements signed in June, the International Atomic Energy Agency and the ITER Organization will be expanding and deepening a long history of [...]

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  • Neutral Beam Test Facility | High voltage component for MITICA

    Creating reliable high-energy neutral beams at ITER parameters, from a negative ion source, requires such a large technological leap that the components of the [...]

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  • 24th ITER Council | En route to First Plasma, 63% of the work is done

    The ITER Council has met for the twenty-fourth time since the signature of the ITER Agreement. Representatives from China, the European Union, India, Japan, Kor [...]

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  • Upper ports | A very international effort

    The 18 upper ports of the ITER vacuum vessel are procured by Russia, manufactured in Germany, and mounted (in part) on the vessel sectors by contractors in Ital [...]

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  • Paint job | One level done, five to go

    The job is done and the effect is spectacular. At the deepest basement level (B2) of the Tokamak Building, the floors, walls, and ceilings are now perfectly whi [...]

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Of Interest

See archived entries

Crane versus barge: a tale of Russian ingenuity

L.C.

Re-christened ИТЭР 2016, or ITER 2016, a humble barge has become part of the engineering sophistication that is the ITER Project. (Click to view larger version...)
Re-christened ИТЭР 2016, or ITER 2016, a humble barge has become part of the engineering sophistication that is the ITER Project.
The Srednenevsky facility layout is favourable to manufacturing ultra-large components for later shipment. Situated on the Neva River near St Petersburg, the shipyard enjoys direct access to the Baltic Sea and global shipping routes.

Still, when manufacturing a component as large as ITER's poloidal field coil #1 (PF1)—200-tonnes when completed—there remains a not-insignificant engineering challenge: how to transfer this massive component from the construction hall to the transport ship. An obvious solution—but highly expensive—would be to construct a giant crane for this purpose.

The Srednenevsky team came up with a more creative strategy. Most of the multi-stage assembly platform for the PF1 coil fabrication process has been erected atop a stationary barge. This includes the vacuum pressure impregnation of each of the "double pancake" sections with epoxy resin, as well as the assembly of the double pancakes into the finished coil.

When the PF1 coil is complete, it will be lowered to a 45-degree angle for stability. The barge will then be tugged backward out of the construction hall and into the Neva River. There the coil and its platform will be transferred to a ship to begin their long journey "homeward."

Thus a humble barge—aptly re-christened ИТЭР 2016, or ITER 2016—has become part of the engineering sophistication that is the ITER Project.


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