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  • Deliveries | A third magnet ready for transport to ITER

    Three ITER magnets are now in transit to ITER from different points on the globe—two toroidal field magnets and one poloidal field coil. In terms of component w [...]

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  • Heaviest load yet | Europe's coil soon to hit the road

    It's big, it's heavy, it's precious and it's highly symbolic: the toroidal field coil that was unloaded at Marseille industrial harbour on 17 March is the most [...]

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  • Russia's ring coil | Entering the final sequence

    The smallest of ITER's poloidal field coils is entering the final sequence in a long series of activities that transform cable-in-conduit superconductor into a [...]

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  • Coping with COVID | Adjusting to maintain progress

    COVID-19 needs no introduction. But for a 35-country collaboration like ITER, the dramatic worldwide spread of the virus has introduced an entirely new set of c [...]

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  • United States | A roadmap to fusion energy

    Hundreds of scientists across the United States—representing a broad range of national labs, universities, and private ventures—have collaborated to produce A C [...]

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Of Interest

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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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