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Cyclic Behavior of K0-Consolidated Soft Clay under Stress Paths with Different Major Principal Stress Directions
To study the deformation response of soft clay under cyclic loads, five groups of undrained cyclic torsional shear tests were conducted under a stress path with different principal stress direction angles and variations in the deviatoric stress. The development tendencies of strain components, axial stress-strain, and cyclic axial modulus are discussed. Experimental results showed that the deformation characteristics of specimens and the effect of cyclic stress variations on the specimens were significantly different at various principal stress direction angles. Based on the newly proposed parameter involving the distance from the initial point of the soft clay specimen after consolidation to the strength envelope at a fixed principal stress direction angle, a linear relationship between the axial strain and newly proposed parameter was found in consideration of the principal stress direction angle and cyclic stress variation.
Cyclic Behavior of K0-Consolidated Soft Clay under Stress Paths with Different Major Principal Stress Directions
To study the deformation response of soft clay under cyclic loads, five groups of undrained cyclic torsional shear tests were conducted under a stress path with different principal stress direction angles and variations in the deviatoric stress. The development tendencies of strain components, axial stress-strain, and cyclic axial modulus are discussed. Experimental results showed that the deformation characteristics of specimens and the effect of cyclic stress variations on the specimens were significantly different at various principal stress direction angles. Based on the newly proposed parameter involving the distance from the initial point of the soft clay specimen after consolidation to the strength envelope at a fixed principal stress direction angle, a linear relationship between the axial strain and newly proposed parameter was found in consideration of the principal stress direction angle and cyclic stress variation.
Cyclic Behavior of K0-Consolidated Soft Clay under Stress Paths with Different Major Principal Stress Directions
Wang, Jun (author) / Tan, Jie (author) / Cai, Yuanqiang (author) / Guo, Lin (author) / Wu, Tingyu (author) / Fu, Hongtao (author) / Yuan, Guohui (author)
2021-03-25
Article (Journal)
Electronic Resource
Unknown
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