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Latest ITER Newsline

  • Plasma-wall interaction | Marseille palace hosts preeminent conference

    Fifty years after the first International Conference on Plasma-Surface Interactions in Magnetic Confinement Devices in 1974, the 26th edition of this much-laude [...]

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  • Industrial milestone | First cryopump passes all tests

    The serial production of ITER's powerful torus and cryostat cryopumps is progressing at Research Instruments, Germany, on behalf of the European Domestic Agency [...]

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  • Cryoline installation | Ball joints against earthquakes

    In order to reach clients inside the Tokamak Building, cooling fluids produced by the ITER cryoplant flow through many kilometres of highly sophisticated p [...]

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  • The changing fusion landscape | ITER hosting private sector workshop

    Take out your smart phone and search your favourite news site for 'nuclear fusion' or 'fusion energy.' On any given day, you will find articles discussing break [...]

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  • Image of the Week | Advisory committee season

    The 30th Meeting of the ITER Council Science and Technology Advisory Committee (STAC-30) took place at ITER Headquarters from 13 to 16 May. The Science and Tech [...]

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Of Interest

See archived entries

Eleven pillars of precision

Pillars will be used as fixed reference points to define the global coordinate system for civil engineering works. (Click to view larger version...)
Pillars will be used as fixed reference points to define the global coordinate system for civil engineering works.
Mission completed: one of the eleven survey pillars overlooking the site. (Click to view larger version...)
Mission completed: one of the eleven survey pillars overlooking the site.
To ensure the stability of the pillars, they will be constructed around micro piles with foundations in bedrock at a minimum depth of eight metres. (Click to view larger version...)
To ensure the stability of the pillars, they will be constructed around micro piles with foundations in bedrock at a minimum depth of eight metres.
This week saw the beginning of construction activity for the installation of ITER's primary survey network, overseen by the Machine Assembly and Installation Section.

The primary survey network consists of 11 permanent survey pillars positioned on the periphery of the worksite. These pillars will be used as fixed reference points to define the global coordinate system for civil engineering works, and to provide a stable reference for monitoring purposes. The network will evolve as the project develops and in the future will provide the global data for an enhanced reference system to be installed within the Tokamak Building.

To ensure the stability of the pillars, they will be constructed around micro piles with foundations in bedrock at a minimum depth of 8 metres. This week, ITER's contractor GDV Ingenieurgesellschaft Holst mbH and their sub-contractor VIT Verbau und Injektionstechnik GmbH have been setting out the position of the survey pillars and installing the micro piles. The construction of the pillars themselves will occur in the next few weeks. Following a period of stabilization, the positions of the survey pillars will be precisely measured.



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