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Latest ITER Newsline

  • WEST | Revamped tokamak completes 1st phase of operation

    One day, in the latter half of this decade, it will be routine at ITER: dozens of operators, with eyes riveted to their individual monitors as numbers, graphs a [...]

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  • Roof modules | Patience, precision and a crane's long arm

    In the spring of 2020 a new and strategic phase of ITER construction will begin: the assembly of the ITER Tokamak. In order to deliver machine components to the [...]

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  • Image of the week | "Bringing light and hope"

    Most international organizations are headquartered in large cities—the UN in New York, UNESCO and the International Energy Agency in Paris, the IAEA in Vienna, [...]

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  • Outreach in China | A week devoted to fusion

    A new bi-annual event in China seeks to create a comprehensive exchange platform for the scientists, engineers and industries that are driving the country's str [...]

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  • Monaco-ITER Fellows | New campaign announced

    The seventh recruitment campaign for the Monaco-ITER postdoctoral fellowship program opens on 13 January. Since 2008, thirty postdocs have carried out origin [...]

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Of Interest

See archived entries

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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