The effect of frequency on Young`s modulus and seismic wave attenuation

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Description

Laboratory experiments were performed to measure the effect of frequency, water-saturation, and strain amplitude on Young`s modulus and seismic wave attenuation on rock cores recovered on or near the site of a potential nuclear waste repository at Yucca Mountain, Nevada. The purpose of this investigation is to perform the measurements using four techniques: cyclic loading, waveform inversion, resonant bar, and ultrasonic velocity. The measurements ranged in frequency between 10{sup {minus}2} and 10{sup 6} Hz. For the dry specimens Young`s modulus and attenuation were independent of frequency; that is, all four techniques yielded nearly the same values for modulus and attenuation. ... continued below

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57 p.

Creation Information

Price, R.H.; Martin, R.J. III & Haupt, R.W. July 1, 1994.

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This report 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. More information about this report can be viewed below.

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Authors

  • Price, R.H. Sandia National Labs., Albuquerque, NM (United States). YMP Performance Assessment Applications Dept.
  • Martin, R.J. III
  • Haupt, R.W. New England Research, Inc., White River Junction, VT (United States)

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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

Laboratory experiments were performed to measure the effect of frequency, water-saturation, and strain amplitude on Young`s modulus and seismic wave attenuation on rock cores recovered on or near the site of a potential nuclear waste repository at Yucca Mountain, Nevada. The purpose of this investigation is to perform the measurements using four techniques: cyclic loading, waveform inversion, resonant bar, and ultrasonic velocity. The measurements ranged in frequency between 10{sup {minus}2} and 10{sup 6} Hz. For the dry specimens Young`s modulus and attenuation were independent of frequency; that is, all four techniques yielded nearly the same values for modulus and attenuation. For saturated specimens, a frequency dependence for both Young`s modulus and attenuation was observed. In general, saturation reduced Young`s modulus and increased seismic wave attenuation. The effect of strain amplitude on Young`s modulus and attenuation was measured using the cyclic loading technique at a frequency of 10{sup {minus}1} Hz. The effect of strain amplitude in all cases was small. For some rocks, such as the potential repository horizon of the Topopah Spring Member tuff (TSw2), the effect of strain amplitude on both attenuation and modulus was minimal.

Physical Description

57 p.

Notes

INIS; OSTI as DE94017498

Source

  • Other Information: PBD: Jul 1994

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Identifier

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  • Other: DE94017498
  • Report No.: SAND--92-0847
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/145360 | External Link
  • Office of Scientific & Technical Information Report Number: 145360
  • Archival Resource Key: ark:/67531/metadc618759

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Creation Date

  • July 1, 1994

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 14, 2016, 3:37 p.m.

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Price, R.H.; Martin, R.J. III & Haupt, R.W. The effect of frequency on Young`s modulus and seismic wave attenuation, report, July 1, 1994; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc618759/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.