Critical assessment of seismic and geomechanics literature related to a high-level nuclear waste underground repository

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Description

A comprehensive literature assessment has been conducted to determine the nature and scope of technical information available to characterize the seismic performance of an underground repository and associated facilities. Significant deficiencies were identified in current practices for prediction of seismic response of underground excavations in jointed rock. Conventional analytical methods are based on a continuum representation of the host rock mass. Field observations and laboratory experiments indicate that, in jointed rock, the behavior of the joints controls the overall performance of underground excavations. Further, under repetitive seismic loading, shear displacement develops progressively at block boundaries. Field observations correlating seismicity and ... continued below

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Medium: P; Size: 172 p.

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Kana, D. D.; Vanzant, B. W.; Nair, P. K. & Brady, B. H. G. June 1991.

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Description

A comprehensive literature assessment has been conducted to determine the nature and scope of technical information available to characterize the seismic performance of an underground repository and associated facilities. Significant deficiencies were identified in current practices for prediction of seismic response of underground excavations in jointed rock. Conventional analytical methods are based on a continuum representation of the host rock mass. Field observations and laboratory experiments indicate that, in jointed rock, the behavior of the joints controls the overall performance of underground excavations. Further, under repetitive seismic loading, shear displacement develops progressively at block boundaries. Field observations correlating seismicity and groundwater conditions have provided significant information on hydrological response to seismic events. However, lack of a comprehensive model of geohydrological response to seismicity has limited the transportability conclusions from field observations. Based on the literature study, matters requiring further research in relation to the Yucca Mountain repository are identified. The report focuses on understanding seismic processes in fractured tuff, and provides a basis for work on the geohydrologic response of a seismically disturbed rock mass. 220 refs., 43 figs., 11 tabs.

Physical Description

Medium: P; Size: 172 p.

Notes

INIS; OSTI as TI91014309

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  • Other Information: PBD: Jun 1991

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  • Other: TI91014309
  • Report No.: NUREG/CR--5440
  • Report No.: CNWRA--89-001
  • DOI: 10.2172/138128 | External Link
  • Office of Scientific & Technical Information Report Number: 138128
  • Archival Resource Key: ark:/67531/metadc618420

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  • June 1991

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  • June 16, 2015, 7:43 a.m.

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  • April 7, 2016, 7:10 p.m.

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Kana, D. D.; Vanzant, B. W.; Nair, P. K. & Brady, B. H. G. Critical assessment of seismic and geomechanics literature related to a high-level nuclear waste underground repository, report, June 1991; United States. (digital.library.unt.edu/ark:/67531/metadc618420/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.