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Latest ITER Newsline

  • A world in itself

    From a height of some 50 metres, you have the entire ITER worksite at your feet. The long rectangle of the Diagnostics Building stands out in the centre, with [...]

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  • US completes toroidal field deliveries for ITER

    The US Domestic Agency achieved a major milestone in February by completing the delivery of all US-supplied toroidal field conductor to the European toroidal fi [...]

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  • Thin diagnostic coils to be fitted into giant magnets

    Last week was marked by the first delivery of diagnostic components—Continuous External Rogowski (CER) coils—from the European Domestic Agency to the ITER Organ [...]

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  • Addressing the challenge of plasma disruptions

    Plasma disruptions are fast events in tokamak plasmas that lead to the complete loss of the thermal and magnetic energy stored in the plasma. The plasma control [...]

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  • Blending (almost) seamlessly into the landscape

    Located in the foothills of the French Pre-Alps, the ITER installation blends almost seamlessly into the landscape. The architects' choice ofmirror-like steel c [...]

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Of Interest

See archived articles

Where rebar meet



In order to have a hands-on experience of the difficulties that could be encountered in the creation of the B2 slab—the 1.5-metre-thick reinforced concrete 'floor' that will support the Tokamak Complex—a 150 m², 1:1 scale mockup is currently under construction on the ITER platform.

Different rebar arrangements, presenting specific challenges, are being reproduced by the mockup. The rebar in this picture reproduces the interface zone between orthoradial (a grid of circles surrounding a point and lines starting from that point) and orthogonal (right-angled) arrangements.

In the B2 slab, one fourth of the total rebar is arranged in an orthoradial manner (the central area of the Tokamak Complex); the rest is orthogonal. How these areas interface is critical to the B2 slab's robustness.


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