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U.S. Department of Energy
Office of Scientific and Technical Information

Thermal-cycle testing of the G-tunnel heated block

Conference ·
OSTI ID:59892

Volcanic tuffs are being considered by the Department of Energy (DOE) as a medium for disposal of high-level radioactive wastes. The Nevada Nuclear Waste Storage Investigations (NNWSI) Project was established in 1977 to evaluate such disposal in geologic formations on or adjacent to the Nevada Test Site (NTS). Sandia National Laboratories (SNL), as one of the NNWSI project participants, is responsible for the rock mechanics program to support the design of underground portions of a radioactive-waste repository in tuff. A rock mechanics field testing program is underway in G-Tunnel in Rainier Mesa on the NTS, where tuffs similar to those at Yucca Mountain, the potential candidate site, are found; later experiments are planned as part of the exploratory shaft investigations in Yucca Mountain. Science Applications International Corporation has been under contract to SNL to prepare and install instrumentation and control systems and to aid in the evaluation of the heated-block rock mechanics experiment.

Research Organization:
Sandia National Labs., Albuquerque, NM
DOE Contract Number:
AC04-76DP00789
OSTI ID:
59892
Report Number(s):
CONF-850671--; ISBN 0-90-6191-602-X
Country of Publication:
United States
Language:
English