UDEC simulation of Triaxial Testing of Lithophysal Tuff

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Description

The current conceptual design for the proposed nuclear waste repository at Yucca Mountain Nevada includes placing most of the facility in lithophysal Tuff. Because it is difficult to conduct standard confined triaxial laboratory tests on lithophysal tuff, it was decided to use UDEC to conduct numerical triaxial testing of simulated lithophysal tuff samples to supplement existing uniaxial compression data. The results of these numerical experiments are intended to provide guidance on the variability of physical properties as a function of lithophysal porosity. These data can then be used as a basis for large scale modeling of the behavior of the ... continued below

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15 pages

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Christianson, M.; Board, M. & Rigby, D. September 14, 2004.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 38 times . More information about this article can be viewed below.

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Description

The current conceptual design for the proposed nuclear waste repository at Yucca Mountain Nevada includes placing most of the facility in lithophysal Tuff. Because it is difficult to conduct standard confined triaxial laboratory tests on lithophysal tuff, it was decided to use UDEC to conduct numerical triaxial testing of simulated lithophysal tuff samples to supplement existing uniaxial compression data. The results of these numerical experiments are intended to provide guidance on the variability of physical properties as a function of lithophysal porosity. These data can then be used as a basis for large scale modeling of the behavior of the repository drifts. The results of the numerical testing were encouraging and show consistent trends in tuff strength and overall performance as a function of lithophysal porosity.

Physical Description

15 pages

Notes

INIS; OSTI as DE00837704

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  • Journal Name: UDEC Simulation of Triaxial Testing of Lithophysal Tuff

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  • Report No.: NONE
  • Grant Number: NONE
  • Office of Scientific & Technical Information Report Number: 837704
  • Archival Resource Key: ark:/67531/metadc779174

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  • September 14, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

Description Last Updated

  • Feb. 11, 2016, 1:07 p.m.

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Christianson, M.; Board, M. & Rigby, D. UDEC simulation of Triaxial Testing of Lithophysal Tuff, article, September 14, 2004; Las Vegas, Nevada. (digital.library.unt.edu/ark:/67531/metadc779174/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.