CROSSHOLE GEOPHYSICAL METHODS USED TO INVESTIGATE THE NEAR VICINITY OF HIGH LEVEL WASTE REPOSITORIES

An evaluation is given of remote-probing geophysical techniques likely to be used to investigate the near vicinity of geologic repsitories for nuclear waste. The sensors to be used would be place inside the boreholes, shafts and tunnels of the repository to provide high resolution information of the rock near the repository. The geophysical methods evaluated are known as active methods because they make use of artificial seismic, electric or ellectromagnetic fields to probe the rock mass. Techniques involving through transmission measurements are emphasized. These techniques show merit for remote detection of geological heterogeneities such as fracture zones which influence the containment capacity of repository sites. The report discusses the results obtained with exploration methods used at a site near Oracle, Arizona. (Author) Oracle, Arizona. (Author)

• Corporate Authors:

  Lawrence Livermore National Laboratory

  7000 East Avenue
  Livermore, CA  United States  94550

  Nuclear Regulatory Commission

  Office of Nuclear Regulatory Research
  Washington, DC  United States  20555
• Authors:
  • Ramirez, A L
  • Lytle, R L
  • Harben, P
• Publication Date: 1984-8

Media Info

• Features: Figures; References;
• Pagination: 74 p.

Subject/Index Terms

• TRT Terms: Crossheadings; Detection and identification; Detectors; Electromagnetic fields; Fracture mechanics; Geophysical prospecting; Heterogeneity; Radioactive waste disposal; Samples; Seismic prospecting; Sensors; Spent reactor fuels; Waste disposal facilities
• Uncontrolled Terms: Fracture
• Old TRIS Terms: Cross hole; Geophysical explorations; Seismoacoustic methods
• Subject Areas: Geotechnology; Highways; Terminals and Facilities; I41: General Soil Surveys;

Filing Info

• Accession Number: 00450019
• Record Type: Publication
• Report/Paper Numbers: NUREG/CR-3758, UCID-20060
• Files: TRIS
• Created Date: Aug 27 2004 8:55PM