Numerical Implementation of a Hydro-Mechanical Coupling Constitutive Model for Unsaturated Soil Considering the Effect of Micro-Pore Structure

Cai, Guoqing; Han, Bowen; Li, Mengzi; Di, Kenan; Liu, Yi; Li, Jian; Wu, Tianchi

doi:10.3390/app11125368

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Classifying the Constitutive Relations1

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2023

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Cited by 2 publications

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“…Recent work in this area mainly considers the modeling of unsaturated soil behavior under different hydro-mechanical loading. The new constitutive models have the advantages of more straightforward model calibration and subsequent model parameters from different laboratory tests [ [258] , [259] , [260] , [261] ].…”

Section: Classifying the Constitutive Relationsmentioning

confidence: 99%

Extensive overview of soil constitutive relations and applications for geotechnical engineering problems

Onyelowe

Ebid

Sujatha

et al. 2023

Heliyon

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Section: Classifying the Constitutive Relationsmentioning

confidence: 99%

Extensive overview of soil constitutive relations and applications for geotechnical engineering problems

Onyelowe

Ebid

Sujatha

et al. 2023

Heliyon

View full text Add to dashboard Cite

Fractional Calculus-Based Statistical Damage Model of Unsaturated Soil under the Coupling Effect of Moistening and Stress Fields

Zhang

Wang

2023

Applied Sciences

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Unsaturated soil exhibits extremely complex engineering mechanical properties under the coupling effect of moistening and stress fields. Firstly, the effective stress principle and limit equilibrium conditions of unsaturated soil under the coupling effect of moistening and stress fields were discussed based on the basic principles of unsaturated soil. Secondly, a fractional-order model considering the viscoelasticity and strain hardening of unsaturated soil was established based on the fractional calculus theory. Then, based on the principle of damage mechanics, the damage variable evolution equation under the coupling effect of moistening and stress fields was established, and the fractional calculus-based statistical constitutive damage model of unsaturated soil under the coupling effect of moistening and stress fields was developed. In turn, parameters of the developed model were solved using a triaxial test of unsaturated loess, and the calculated data using the developed model were compared with the experimental data, which demonstrated that the developed model in this paper performed well in describing the whole strain hardening process of unsaturated soil under the coupling effect of moistening and stress fields. Finally, the sensitivity of the main parameters of the developed model was discussed under the coupling effect of moistening and stress fields, which showed that the proposed model performed well in reflecting the main mechanical properties of unsaturated loess.

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Numerical Implementation of a Hydro-Mechanical Coupling Constitutive Model for Unsaturated Soil Considering the Effect of Micro-Pore Structure

Cited by 2 publications

References 25 publications

Extensive overview of soil constitutive relations and applications for geotechnical engineering problems

Extensive overview of soil constitutive relations and applications for geotechnical engineering problems

Fractional Calculus-Based Statistical Damage Model of Unsaturated Soil under the Coupling Effect of Moistening and Stress Fields

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