Seismic considerations in sealing a potential high-level radioactive waste repository

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The potential repository system is intended to isolate high-level radioactive waste at Yucca Mountain. One subsystem that may contribute to achieving this objective is the sealing subsystem. This subsystem is comprised of sealing components in the shafts, ramps, underground network of drifts, and the exploratory boreholes. Sealing components can be rigid, as in the case of a shaft seal, or can be more compressible, as in the case of drift fill comprised of mined rockfill. This paper presents the preliminary seismic response of discrete sealing components in welded and nonwelded tuff. Special consideration is given to evaluating the stress in ... continued below

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23 p.

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Fernandez, J.A.; Richardson, A.M. & Lin, Ming July 1, 1992.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The potential repository system is intended to isolate high-level radioactive waste at Yucca Mountain. One subsystem that may contribute to achieving this objective is the sealing subsystem. This subsystem is comprised of sealing components in the shafts, ramps, underground network of drifts, and the exploratory boreholes. Sealing components can be rigid, as in the case of a shaft seal, or can be more compressible, as in the case of drift fill comprised of mined rockfill. This paper presents the preliminary seismic response of discrete sealing components in welded and nonwelded tuff. Special consideration is given to evaluating the stress in the seal, and the behavior of the interface between the seal and the rock. The seismic responses are computed using both static and dynamic analyses. Also presented is an evaluation of the maximum seismic response encountered by a drift seal with respect to the angle of incidence of the seismic wave. Mitigation strategies and seismic design considerations are proposed which can potentially enhance the overall response of the sealing component and subsequently, the performance of the overall repository system.

Physical Description

23 p.

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INIS; OSTI as DE92016499

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  • American Society of Civil Engineers (ASCE) symposium on dynamic analysis and design considerations, for high-level nuclear waste repositories, San Francisco, CA (United States), 19-20 Aug 1992

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  • Other: DE92016499
  • Report No.: SAND--92-1317C
  • Report No.: CONF-920866--4
  • Grant Number: AC04-76DP00789
  • Office of Scientific & Technical Information Report Number: 140761
  • Archival Resource Key: ark:/67531/metadc627996

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • July 1, 1992

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 14, 2016, 8:07 p.m.

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Fernandez, J.A.; Richardson, A.M. & Lin, Ming. Seismic considerations in sealing a potential high-level radioactive waste repository, article, July 1, 1992; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc627996/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.