NX borehole jack testing procedure: Final draft
NX borehole jack (Goodman jack) tests will be performed to estimate the in situ modulus of deformation of non-salt strata within or adjacent to the test horizon and in allocated areas from the exploratory shafts. This information, together with the results from other types of deformation modulus measurements, will be part of the database used to select rock mass modulus values for input to numerical models which evaluate the large-scale thermo-mechanical response of the host rock and surrounding strata at the candidate repository site. Because salt possesses significant and complex time-dependent behavior, the NX borehole jack test is not suitable for determining the deformational properties of this material. The main advantage of this test are (1) modulus can be measured at a large distance from the underground opening, outside of the disturbed zone, as well as near the opening surface, and (2) because the jack applies load across a diameter, as opposed to radially, the anisotropy of deformational properties can be investigated. Unlike most other in situ tests for determining modulus of deformation, the NX borehole jack is relatively portable, easy to set up, and produces test results fairly rapidly. For these reasons, this test is well-suited to conveniently provide a large number of measurements from many locations. 7 refs., 10 figs., 1 tab.
- Research Organization:
- Battelle Memorial Inst., Columbus, OH (USA). Office of Nuclear Waste Isolation; Golder Associates, Inc., Redmond, WA (USA)
- DOE Contract Number:
- AC02-87CH10290; AC02-83CH10140
- OSTI ID:
- 6631335
- Report Number(s):
- BMI/ONWI/C-240; ON: TI88016458
- Country of Publication:
- United States
- Language:
- English
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053000 -- Nuclear Fuels-- Environmental Aspects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
BOREHOLES
CAVITIES
COMPLIANCE
DEFORMATION
DOCUMENT TYPES
FEDERAL REGION VI
GEOLOGIC DEPOSITS
HIGH-LEVEL RADIOACTIVE WASTES
MANAGEMENT
MATERIALS
MEASURING INSTRUMENTS
NORTH AMERICA
NUCLEAR FACILITIES
PROGRESS REPORT
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE FACILITIES
RADIOACTIVE WASTE MANAGEMENT
RADIOACTIVE WASTES
REGULATIONS
SALT DEPOSITS
SITE CHARACTERIZATION
TESTING
TEXAS
TIME DEPENDENCE
UNDERGROUND DISPOSAL
USA
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES