Quasi-static strength and deformational characteristics of domal salt from Avery Island, Louisiana

Technical Report · Tue Jan 01 04:00:00 EST 1980

OSTI ID:6926991

Hansen, F D; Mellegard, K D

Constant stress-rate experiments were performed on specimens of dome salt from Avery Island, Louisiana, to determine the influence on strength and deformation of stress rate, temperature, and confining pressure. The experiments were performed in triaxial compression at axial stress rates of 2.3 x 10/sup -3/ and 2.3 x 10/sup -2/ MPa s/sup -1/, and at temperatures between 24/sup 0/C and 225/sup 0/C. The confining pressure ranged from 0 to 20.7 MPa. Results show that strength increases with increasing stress rate and decreasing temperature. Ductility, however, increases with decreasing stress rate and increasing temperature. Both strength and ductility increase with increasing confining pressure.

• Research Organization: RE/SPEC, Inc., Rapid City, SD (USA)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 6926991
• Report Number(s): ONWI-116
• Country of Publication: United States
• Language: English

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