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Stressout: a data reduction program for inferring stress state of rock having isotropic material properties: a user's manual.

Authors
Larson-MK
Source
Spokane, WA: U.S. Department of the Interior, Bureau of Mines, IC 9302, 1992 Jan; :1-158
Link
NIOSHTIC No.
10011182
Abstract
Researchers at the U.S. Bureau of Mines have developed a Fortran computer program that can calculate stress states from overcoring measurements obtained from hollow inclusion cells, triaxial cells, strain gauges installed on the wall of a bored raise, doorstopper gauges, borehole deformation gauges, or a combination of any of these gauges. Such stress states are calculated with reference to global and principal coordinate systems. The background of the development of the program, its capabilities, and its special features, as well as the input required, are described in this report. Sample output is shown in an appendix. Difficulties associated with numerical calculations of principal stresses and directions are pointed out. Threshold values for detecting these problems are reported; these values may be changed by the user as desired. Several test problems were set up to verify the computer program and were successfully solved.
Keywords
Mining-industry; Underground-mining; Computer-software; Computer-models; Stress
Publication Date
19920101
Document Type
IH; Information Circular
Fiscal Year
1992
NTIS Accession No.
PB92-170059
NTIS Price
A08
Identifying No.
IC-9302
NIOSH Division
SRC
Source Name
Spokane, WA: U.S. Department of the Interior, Bureau of Mines, IC 9302
State
WA
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