Rheological Properties of Frozen Soils.

• Main Authors: Rein,Robert G. , Jr., Sliepcevich,Cedomir M.
• Other Authors: OKLAHOMA UNIV NORMAN
• Format: Text
• Language: English
• Published: 1975
• Subjects: Soil Mechanics; Snow; Ice and Permafrost; *DEFORMATION; *SOILS; *CREEP TESTS; STRESSES; PARTICLE SIZE; LOADS(FORCES); GRAPHS; NUMERICAL ANALYSIS; SAND; STRAIN RATE; TABLES(DATA); RHEOLOGY; COMPRESSIVE PROPERTIES; SILT; PERMAFROST; *Frozen soils; Creep strength; Void ratio; Creep rate; Ice; permafrost
• Online Access: http://www.dtic.mil/docs/citations/ADA011459; http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA011459

Results for creep tests during uniaxial, unconfined compressive loading of a frozen silt at -9C, a frozen sand at -8.5C and two other frozen sands at -9C are presented. Results of creep recovery tests on a frozen silt and a frozen sand are also reported. In order to elucidate soil behavior for modeling long-term creep deformation, the data are analyzed in terms of stress-strain behavior at constant times. The stress-strain behavior prior to tertiary creep is best represented by bisectional relations, instead of the usual continuous relations. Equations are presented for modeling the creep behavior for a single application of a constant load.