SYMPOSIA PAPER Published: 01 January 1985
STP36353S

The Deformation Properties of Warm Permafrost

Source

Six pressuremeter tests and one multistage triaxial creep test were conducted on a prepared frozen sand at −2.5 and −3°C, respectively. The pressuremeter study suggested that the model of incompressible power-law fluid, which is sometimes used in the numerical modelling of frozen-ground geotechnical problems, would not provide a suitable “simplified constitutive relation” on which we could base the design of a new standard pressurementer test for discerning long-term creep properties of warm permafrost. The multistage triaxial creep test showed a correlation between the decreasing or increasing in volume of the specimen and the attenuating or nonattenuating character of its axial creep behavior.

Author Information

Shields, DH
University of Manitoba, Winnipeg, Manitoba, Canada
Domaschuk, L
University of Manitoba, Winnipeg, Manitoba, Canada
Man, C-S
University of Manitoba, Winnipeg, Manitoba, Canada
Kenyon, RM
University of Manitoba, Winnipeg, Manitoba, Canada
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Details
Developed by Committee: D18
Pages: 473–486
DOI: 10.1520/STP36353S
ISBN-EB: 978-0-8031-4947-2
ISBN-13: 978-0-8031-0431-0