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A Constitutive Model for Frozen Granular Soils
Abstract In this contribution, an elastic-viscoplastic constitutive model of the Maxwell-Type to describe the time-dependent behavior of frozen soils is proposed based on results of unconfined and triaxial creep tests and strain rate-controlled compression tests from Orth (1985). The model is able to capture essential features of the behavior of frozen soils, as temperature-, rate- and mean-pressure-dependence for quasi-monotonic loading realistically, including the creep-failure-type observed in frozen soils under constant deviator stresses. The model has been validated by means of experimental data of a frozen sand and used to predict creep and rate-dependent behavior of frozen soils for monotonic loading.
A Constitutive Model for Frozen Granular Soils
Abstract In this contribution, an elastic-viscoplastic constitutive model of the Maxwell-Type to describe the time-dependent behavior of frozen soils is proposed based on results of unconfined and triaxial creep tests and strain rate-controlled compression tests from Orth (1985). The model is able to capture essential features of the behavior of frozen soils, as temperature-, rate- and mean-pressure-dependence for quasi-monotonic loading realistically, including the creep-failure-type observed in frozen soils under constant deviator stresses. The model has been validated by means of experimental data of a frozen sand and used to predict creep and rate-dependent behavior of frozen soils for monotonic loading.
A Constitutive Model for Frozen Granular Soils
Cudmani, Roberto (author) / Sun, Jian (author) / Yan, Wei (author)
2018-01-01
5 pages
Article/Chapter (Book)
Electronic Resource
English
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