Frictional sliding and fracture behavior of some Nevada test site tuffs

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Deformation studies were performed on tuffaceous rocks from Yucca Mountain, Nevada Test Site to determine the strengths and coefficients of friction under confining pressures from 10 to 50 MPa at room temperature. Frictional strengths of 30{sup 0} sawcut samples increased with pressure and reached values of around 150 MPa at the higher confining pressures. However, the failure strengths of the intact samples were quite unpredictable. The coefficients of friction ranged between 0.7 and 0.9 for all specimens. These data can be used in conjunction with in situ stress measurements at Yucca Mountain, to evaluate the potential for earthquake activity in ... continued below

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8 p.

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Morrow, C. & Byerlee, J. December 31, 1984.

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Description

Deformation studies were performed on tuffaceous rocks from Yucca Mountain, Nevada Test Site to determine the strengths and coefficients of friction under confining pressures from 10 to 50 MPa at room temperature. Frictional strengths of 30{sup 0} sawcut samples increased with pressure and reached values of around 150 MPa at the higher confining pressures. However, the failure strengths of the intact samples were quite unpredictable. The coefficients of friction ranged between 0.7 and 0.9 for all specimens. These data can be used in conjunction with in situ stress measurements at Yucca Mountain, to evaluate the potential for earthquake activity in the region. 1 ref., 7 figs.

Physical Description

8 p.

Notes

NTIS MF A01; OSTI as DE87008463

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  • 25. US symposium on rock mechanics, Evanston, IL (United States), 25-27 Jun 1984

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  • Other: DE87008463
  • Report No.: CONF-840633--18
  • Grant Number: AI08-78ET44802
  • Office of Scientific & Technical Information Report Number: 60070
  • Archival Resource Key: ark:/67531/metadc697871

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Office of Scientific & Technical Information Technical Reports

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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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  • December 31, 1984

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  • Aug. 14, 2015, 8:43 a.m.

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Morrow, C. & Byerlee, J. Frictional sliding and fracture behavior of some Nevada test site tuffs, article, December 31, 1984; United States. (digital.library.unt.edu/ark:/67531/metadc697871/: accessed November 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.