A study of a container for long term storage of high level waste using finite elements

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Description

Designs of selected components for a container are evaluated based on conservative loads and assumptions. The items selected for evaluation are a pintle and possible container topheads. An existing pintle for use in another application is evaluated under a more severe axial load. The results show that the pintle is adequate with the existing design to a safety factor of at least three. Improvements are suggested which raises this safety factor to approximately six. Several flat tophead designs are evaluated for stress under an annular load. The parameter selected for evaluation is the thickness of the circular plate. Results from ... continued below

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Pages: (173 p)

Creation Information

Ladkany, S.G. (Nevada Univ., Las Vegas, NV (United States)) & Kniss, B.R. (Los Alamos National Lab., NM (United States)) January 1, 1992.

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Description

Designs of selected components for a container are evaluated based on conservative loads and assumptions. The items selected for evaluation are a pintle and possible container topheads. An existing pintle for use in another application is evaluated under a more severe axial load. The results show that the pintle is adequate with the existing design to a safety factor of at least three. Improvements are suggested which raises this safety factor to approximately six. Several flat tophead designs are evaluated for stress under an annular load. The parameter selected for evaluation is the thickness of the circular plate. Results from a 1.5 inch thick plate are below a safety factor of three. Results with a 2 inch plate are improved, but marginal. Analysis results indicate that a thicker pintle or a stiffer plate will improve the design. Several curved tophead shapes are analyzed under an annular load. The ASME flanged and dished shape displays more desirable properties than others. A critical parameter is identified and changed to provide acceptable stress levels.

Physical Description

Pages: (173 p)

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OSTI; NTIS; GPO Dep.

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  • Other: DE92014683
  • Report No.: DOE/NV/10872-T25
  • Grant Number: FC08-90NV10872
  • DOI: 10.2172/5286745 | External Link
  • Office of Scientific & Technical Information Report Number: 5286745
  • Archival Resource Key: ark:/67531/metadc1070848

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Creation Date

  • January 1, 1992

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

Description Last Updated

  • March 1, 2018, 8:12 p.m.

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Ladkany, S.G. (Nevada Univ., Las Vegas, NV (United States)) & Kniss, B.R. (Los Alamos National Lab., NM (United States)). A study of a container for long term storage of high level waste using finite elements, report, January 1, 1992; United States. (digital.library.unt.edu/ark:/67531/metadc1070848/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.