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U.S. Department of Energy
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Preliminary results from the full-scale heater tests at the Near-Surface Test Facility

Conference ·
OSTI ID:5392106
The Basalt Waste Isolation Project (BWIP), as part of the National Waste Terminal Storage (NWTS) program, US Department of Energy (DOE), has been conducting the Full-Scale Heater Tests to enhance the understanding of the behavior of a rock mass subjected to the thermal loading expected on emplacement of radioactive nuclear waste deep underground. The Full-Scale Heater Tests were initiated on July 1, 1980 and are scheduled to continue until June 1982. These tests are being conducted at the Near-Surface Test Facility (NSTF) which was designed as a multipurpose field test facility to investigate the feasibility of constructing a permanent waste repository in the Columbia River basalt. The NSTF is located in Gable Mountain on the Hanford Site in south-central Washington. This location was chosen because of its easy access to the Pomona basalt which has similar characteristics to the Umtanum flow found at approximately 1000 meters depth and considered a potential candidate for repository siting. Comprehensive field investigations are being carried out at the NSTF in the areas of site characterization and the determination of rock mass properties. These studies were designed to provide information required for development of predictive modeling techniques and to form a data base necessary for repository design and construction. 11 refs., 12 figs.
Research Organization:
Rockwell International Corp., Richland, WA (USA). Rockwell Hanford Operations
Sponsoring Organization:
DOE/RW
DOE Contract Number:
AC06-77RL01030
OSTI ID:
5392106
Report Number(s):
RHO-BWI-SA-123; CONF-810624--14; ON: TI90003833
Country of Publication:
United States
Language:
English