Determination of in situ state of stress at the Spent Fuel Test-Climax site, Climax Stock, Nevada Test Site
Open-File Report
82-458
By: W. L. Ellis and J. E. Magner
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Abstract
Determination of the in situ state of stress at the site of the Spent Fuel Test--Climax, using the U.S. Bureau of Mines overcore method, indicates principal stress magnitudes of 11.6 MPa, 7.1 MPa, and 2.8 MPa. The bearing and plunge of the maximum and minimum principal stress components are, respectively: N. 56? E., 29? NE; and N. 42? W., 14? NW. The vertical stress magnitude of 7.9 MPa calculated from the overcore data is significantly less than expected from overburden pressure, suggesting the stress field is influenced by local or areal geologic factors. Results from this investigation indicate (1) the stress state at the Spent Fuel Test--Climax site deviates significantly from a gravitational stress field, both in relative stress magnitudes and in orientation; (2) numerical modeling will not realistically simulate the near-field response of the Spent Fuel Test--Climax site if gravitational and (or) horizontal and vertical applied stress boundary conditions are assumed; and (3) substantial stress variations may occur spatially within the stock.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Determination of in situ state of stress at the Spent Fuel Test-Climax site, Climax Stock, Nevada Test Site |
| Series title | Open-File Report |
| Series number | 82-458 |
| DOI | 10.3133/ofr82458 |
| Edition | - |
| Year Published | 1982 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | i, 57 p. ill., maps ;28 cm. |
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