Hypoplastic Modeling of Anisotropic Sand Behavior Accounting for Rotation of Principal Stress Direction

Liao, Dong; Yang, Z. X.

doi:10.1061/(asce)em.1943-7889.0002147

Cited by 12 publications

(1 citation statement)

References 43 publications

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“…The hypoplastic model based on nonlinear tensor functions without the concept of yield surface/plastic potential has been widely adopted for studying the mechanical responses of geomaterials. Numerous researches demonstrate hypoplastic capabilities of describing mechanical responses of geomaterials, such as granular sand, [50][51][52][53][54][55][56] clay, [57][58][59][60] hydrate-bearing sand. 16,17,61 Especially, the concept of critical states in soil mechanics was incorporated into the hypoplastic framework, 62,63 leading to the capabilities of predicting strain hardening and softening behavior.…”

Section: Introductionmentioning

confidence: 99%

A hypoplastic model for hydrate‐bearing sand considering hydrate saturation and grain breakage

Qian,

Wu,

et al. 2023

Num Anal Meth Geomechanics

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We present a hypoplastic model to capture the mechanical responses of hydrate‐bearing sands by incorporating hydrate saturation and grain breakage. In our model, a new degradation scalar is introduced to account for the effects of hydrate bonding evolution on strength. We also adopt the variable critical state line to assess the effects of hydrate saturation and relative breakage ratio at high confining pressure. This model is validated by modeling a series of laboratory tests.

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Section: Introductionmentioning

confidence: 99%

A hypoplastic model for hydrate‐bearing sand considering hydrate saturation and grain breakage

Qian,

Wu,

et al. 2023

Num Anal Meth Geomechanics

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Modified SANISAND‐F model for simple shear path

Huang,

Sun,

2024

Num Anal Meth Geomechanics

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Simple shear behavior of sand is representative in geotechnical engineering with potential failure occurred along a thin shear zone. The strength and deformation of sand under simple shear are accompanied with principal stress rotation (PSR). This study proposes a modified SANISAND‐F model to capture the simple shear behavior of sand with PSR. A new plastic flow rule along with a kinematic hardening modulus is proposed to consider the evolution of the PSR and intermediate stress ratio. The developed model, with thirteen parameters, can reasonably the capture the stress‐strain and PSR of sand under simple shear.

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Macro- and micro-scale behavior of inherently anisotropic sands under true triaxial loading paths considering partial drainage conditions

Faraji,

Zheng,

2024

Granular Matter

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Hypoplastic Modeling of Anisotropic Sand Behavior Accounting for Rotation of Principal Stress Direction

Cited by 12 publications

References 43 publications

A hypoplastic model for hydrate‐bearing sand considering hydrate saturation and grain breakage

A hypoplastic model for hydrate‐bearing sand considering hydrate saturation and grain breakage

Modified SANISAND‐F model for simple shear path

Macro- and micro-scale behavior of inherently anisotropic sands under true triaxial loading paths considering partial drainage conditions

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