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News & Media

Latest ITER Newsline

  • Contract management | E-procurement helps to simplify and streamline

    The Procurement & Contracts Division at the ITER Organization is rolling out a new e-procurement tool that will simplify and streamline contract management [...]

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  • Cooling water plant | Partners work in lockstep to keep ITER cool

    Much of the cooling water plant is now ready for commissioning, thanks to a well-executed plan and close coordination among partners. 'Sooner or later, all heat [...]

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  • American Physical Society | Alberto Loarte elected Fellow

    Alberto Loarte, head of the ITER Science Division, has been elected as a Fellow of the American Physical Society (APS). Loarte was nominated by the APS Division [...]

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  • Fusion events | Bringing power to the people

    In tandem with the annual Fête de la Science, a French exhibition on the sciences, the European research consortium EUROfusion is premiering a new travelling ex [...]

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  • Fusion world | Stellarators "an option" for future power plants

    In the history of magnetic fusion, the photo is iconic. A smiling, bespectacled middle-aged man stands next to a strange contraption sitting on a makeshift wood [...]

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Of Interest

See archived entries

In the Tokamak's subterranean world



It's a world that evokes underground quarries, a cathedral carved out of rock, a pyramid's secret chamber... The space between the lower basement slab (B2) and the next-level slab (B1) of the Tokamak Complex is punctuated by 18 giant columns that will rise 30 metres when completed and provide structural support to the Tokamak Building.

In this cavernous space, thousands of embedded plates stud the ceiling, floor and walls like geometric constellations—these will be used to anchor the equipment that must be installed at every level of the building.

The thick walls between the massive columns will house pipe chases, and are made of extra-dense concrete that is formulated with magnetite gravel sourced in Swedish Lapland.

The only sunlight that enters this subterranean realm comes from regular double openings in the bioshield wall, reserved for the magnet feeders that will relay electrical power and cryogens to the ITER magnets.

What is today a vast open space around the Tokamak assembly arena will one day be occupied by the dense piping of the cooling water system primary circuit. Gone will be the cathedral-like space ... replaced by a forest of steel pipes and pumps.


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