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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
TVA nominees promise to support advanced reactor development
Four nominees to serve on the Tennessee Valley Authority Board of Directors told the Senate Environment and Public Works Committee that they support the build-out of new advanced nuclear reactors to meet the increased energy demand being shouldered by the country’s largest public utility.
J.-M. Krieger, G. Armand, O. Ozanam, P. Landais (Andra)
Proceedings | 16th International High-Level Radioactive Waste Management Conference (IHLRWM 2017) | Charlotte, NC, April 9-13, 2017 | Pages 659-663
The design of underground and closure structures for the Cigeo repository is mainly based on geomechanical constitutive models tested in the Meuse/Haute-Marne URL. Excavation modes adapted to the different repository components have been evaluated and tested. Specific methods for excavation and lining have been designed for access shafts and ramps, ILW and HLW disposal cells as well as sealing systems located in surface-to-bottom infrastructures and in drifts.
