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.
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References
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Cudmani, R., Sun, J., Yan, W. (2018). A Constitutive Model for Frozen Granular Soils. In: Wu, W., Yu, HS. (eds) Proceedings of China-Europe Conference on Geotechnical Engineering. Springer Series in Geomechanics and Geoengineering. Springer, Cham. https://doi.org/10.1007/978-3-319-97115-5_97
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DOI: https://doi.org/10.1007/978-3-319-97115-5_97
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