Constitutive parameters for salt and nonsalt rocks from the Detten, G. Friemel, and Zeeck wells in the Palo Duro Basin, Texas

Technical Report · Tue Jan 01 04:00:00 EST 1985

OSTI ID:6096068

Senseny, P E; Pfeifle, T W; Mellegard, K D

Results are presented from laboratory tests performed on salt and nonsalt rocks from the Palo Duro Basin in Texas. The Unit 5 salt from the Lower San Andres is assumed to be the repository horizon and is more completely characterized than other strata. For the Unit 5 salt, values are given for the parameters in the exponential-time constitutive law that models the time-independent elastic deformation and the time-dependent inelastic deformation. Both linear and nonlinear failure envelopes for this salt at 20/sup 0/C are also determined. Data reported for twenty other salt and nonsalt horizons include tangent moduli and principal strain ratios, as well as linear failure envelopes at 20/sup 0/C. The matrix of tests performed is adequate for conceptual repository design and performance analysis. However, final repository design and performance analysis requires more extensive characterization of the constitutive behavior of the stratigraphy, especially the repository-horizon salt.

• Research Organization: RE/SPEC, Inc., Rapid City, SD (USA)
• DOE Contract Number: AC02-83CH10140
• OSTI ID: 6096068
• Report Number(s): BMI/ONWI-549; ON: DE85007478
• Country of Publication: United States
• Language: English

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