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A frozen soil creep model with strength attenuation
Abstract A frozen soil creep model with shear strength attenuation was proposed based on a soft soil creep model. K 0 compression and triaxial shear tests were conducted to obtain the model parameters. With triaxial creep tests, the performance of soft soil creep model was verified at first. It was shown that different creep stages can only be described separately, which was due to a constant failure line used in the model. After incorporating strength attenuation into the original model, relative position between stress point and failure line is time dependent, and the progressive development of creep strain from primary to tertiary stage can be captured reasonably.
A frozen soil creep model with strength attenuation
Abstract A frozen soil creep model with shear strength attenuation was proposed based on a soft soil creep model. K 0 compression and triaxial shear tests were conducted to obtain the model parameters. With triaxial creep tests, the performance of soft soil creep model was verified at first. It was shown that different creep stages can only be described separately, which was due to a constant failure line used in the model. After incorporating strength attenuation into the original model, relative position between stress point and failure line is time dependent, and the progressive development of creep strain from primary to tertiary stage can be captured reasonably.
A frozen soil creep model with strength attenuation
Yao, Xiaoliang (author) / Qi, Jilin (author) / Liu, Mengxin (author) / Yu, Fan (author)
Acta Geotechnica ; 12 ; 1385-1393
2017-04-19
9 pages
Article (Journal)
Electronic Resource
English
Creep model , Frozen soil , Shear strength attenuation , Three creep stages Engineering , Geoengineering, Foundations, Hydraulics , Continuum Mechanics and Mechanics of Materials , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics , Structural Mechanics
A frozen soil creep model with strength attenuation
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