Frictional sliding in layered rock: laboratory-scale experiments

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Description

The work is part of the rock mechanics effort for the Yucca Mountain Site Characterization Program. The laboratory-scale experiments are intended to provide high quality data on the mechanical behavior of jointed structures that can be used to validate complex numerical models for rock-mass behavior. Frictional sliding between simulated rock joints was studied using phase shifting moire interferometry. A model, constructed from stacks of machined and sandblasted granite plates, contained a central hole bore normal to the place so that frictional slip would be induced between the plates near the hole under compressive loading. Results show a clear evolution of ... continued below

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19 p.

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Buescher, B.J.; Perry, K.E. Jr. & Epstein, J.S. September 1, 1996.

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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 work is part of the rock mechanics effort for the Yucca Mountain Site Characterization Program. The laboratory-scale experiments are intended to provide high quality data on the mechanical behavior of jointed structures that can be used to validate complex numerical models for rock-mass behavior. Frictional sliding between simulated rock joints was studied using phase shifting moire interferometry. A model, constructed from stacks of machined and sandblasted granite plates, contained a central hole bore normal to the place so that frictional slip would be induced between the plates near the hole under compressive loading. Results show a clear evolution of slip with increasing load. Since the rock was not cycled through loading- unloading, the quantitative differences between the three data sets are probably due to a ``wearing-in`` effect. The highly variable spatial frequency of the data is probably due to the large grain size of the granite and the stochastic frictional processes. An unusual feature of the evolution of slip with increasing load is that as the load gets larger, some plates seem to return to a null position. Figs, 6 refs.

Physical Description

19 p.

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INIS; OSTI as DE97000831

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  • Other Information: PBD: Sep 1996

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  • Other: DE97000831
  • Report No.: SAND--95-2182
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/404759 | External Link
  • Office of Scientific & Technical Information Report Number: 404759
  • Archival Resource Key: ark:/67531/metadc686376

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  • September 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 13, 2016, 1:56 p.m.

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Buescher, B.J.; Perry, K.E. Jr. & Epstein, J.S. Frictional sliding in layered rock: laboratory-scale experiments, report, September 1, 1996; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc686376/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.