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Latest ITER Newsline

  • Worksite | First pillars for the crane hall

    For the overhead cranes to deliver machine components into the Tokamak assembly pit, the rails that carry them need to be extended some 80 metres beyond the tem [...]

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  • Transport | 300 tonnes of equipment on its way to ITER

    A specially designed assembly tool and elements of the cryostat and vacuum vessel thermal shields are part of the shipments travelling now from Korea to ITER. W [...]

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  • Fusion world | A new tokamak in town

    After EAST in China and WEST in France, another of the cardinal points of the compass has been chosen to name a tokamak. Introducing NORTH—the NORdic Tokamak de [...]

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  • Opportunities | Bringing the ITER Business Forum to Washington

    Every second year, a two-day ITER Business Forum is held to invite existing and potential suppliers for the ITER Project—laboratories, universities, and compani [...]

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  • World Energy Congress | Fusion "at a time of transition"

    In the United Arab Emirates, Abu Dhabi is often referred to as a tourism hotspot that combines luxury and ancient traditions. In September, Abu Dhabi was in the [...]

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Of Interest

See archived entries

An anchor for the backbone

R.A.

While concrete pouring was underway last Wednesday on the last segment of the Tokamak Complex basemat, laser measurements were still being performed on a large steel ring, deeply anchored at the very centre of the plot.

Laser measurements on the circular steel ring were still being performed while concrete pouring was underway last Wednesday. (Click to view larger version...)
Laser measurements on the circular steel ring were still being performed while concrete pouring was underway last Wednesday.
Topped by a temporary, blue steel structure designed to prevent deformation, the steel ring is part of the support system for the huge inner support column—the steel backbone that, along will seven radial beams, will stabilize the vacuum vessel sectors during the first stages of machine assembly.

Because it was vitally important that the circular ring and its four associated inserted plates remain perfectly positioned, the temporary steel structure guaranteed the ring's rigidity during the pour and regular laser surveys ensured that no deviation had occurred from the original position.

The inner support column will form the axis and backbone of the Tokamak during the first phase of machine assembly. (Click to view larger version...)
The inner support column will form the axis and backbone of the Tokamak during the first phase of machine assembly.
During first-phase Tokamak assembly operations, the inner support column will form the axis of the Tokamak. Once the nine sectors of the vacuum vessel are assembled and welded, the column will be removed from the machine and the central solenoid will take its place.

Last Wednesday, as ITER celebrated the "Final Pour" of the Tokamak Complex basemat, the first element of an assembly tool was in place, ready for an operation that should begin in 2017.


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