A separate-ice based solution for frost heaving-induced pressure during coupled thermal-hydro-mechanical processes in freezing soils

Ji, Yukun; Zhou, Guoqing; Zhou, Yang; Hall, Matthew; Zhao, Xiaodong; Mo, Pin‐Qiang

doi:10.1016/j.coldregions.2017.12.011

Cited by 20 publications

(14 citation statements)

References 25 publications

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“…The interactions between pressures caused by frost heave and frosting have been rarely studied. Ji et al [57] discussed the role of frosting-caused pressure in the frost heave equation (fitting degree = 0:7634). They were devoted to developing a one-dimensional device.…”

Section: Development Of Thm Coupling For the Frozen Soilmentioning

confidence: 99%

A Review of the Research on Thermo-Hydro-Mechanical Coupling for the Frozen Soil

Teng

Liu

et al. 2022

Geofluids

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This paper reviews the history of the research development on the coupling mechanism of the multiphysical field, e.g., thermo-hydro-mechanical (THM), for frozen soil. The objective is to deepen the current understanding of the theories and mechanism of multiphysical field coupling in the frozen soil and the dynamic changes in the temperature, moisture, and stress fields during soil freezing. A new differential equation of the coupling of temperature field and moisture field is proposed. Based on the DiscreteFrechetDist algorithm, a fitting method of evaluating a curve is proposed. The paper is expected to help understand the soil freezing process in cold regions and enhance the innovativeness of the research methodologies dealing with multifield coupling for the frozen soil.

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Section: Development Of Thm Coupling For the Frozen Soilmentioning

confidence: 99%

A Review of the Research on Thermo-Hydro-Mechanical Coupling for the Frozen Soil

Teng

Liu

et al. 2022

Geofluids

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“…the external water to the freezing front (Rempel et al, 2004), which feeds the accumulation of ice particles and results in the formation of a horizontal soil-free ice lens and frost heave (Rempel, 2007;Sheng et al, 2013;Lai et al, 2014;Ji et al, 2018). Mass transfer via water migration is a key mechanism during frost heaving (Konrad and Morgenstern, 1982;Woster and Wettlaufer;1999;Zhou and Li, 2012;Ji et al, 2017).…”

Section: Accepted Manuscriptmentioning

confidence: 99%

“…In the active zone, the water flow can still be considered as Darcy flow dominated by equivalent water pressure (negative pressure), and the pressure gradient determined water flow velocity can be presented by Ji et al, 2018):…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Frost heave in freezing soils: A quasi-static model for ice lens growth

Zhou

et al. 2019

Cold Regions Science and Technology

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Frost heave can have a very destructive impact on infrastructure in permafrost regions. The complexity of nanoscale ice-mineral interactions and their relation to the macroscale frost heave phenomenon make ice lens growth modelling an interesting but ch allenging task. Taking into account the limiting assumption of the constant segregation temperature in the segregation potential model, we propose here a new quasi-static model for ice lens growth under a time varying temperature based on the water activity criterion. In this model, the conventional pressure potential gradient in Darcy's law is replaced by a water activity based chemical potential gradient for the calculation of water flow velocity, which provides a better prediction of ice lens growth and is useful to describe the ice nucleation and the state of water at a specific temperature. M oreover, based on the analysis of the new developed model, a mathematical description of the segregation potential is provided here. The modified Kozeny-Carman equation is applied to determine the water permeability of a given soil. In our new model, the effects of the equivalent water pressure are taken into account to modify the freezing characteristic function. Hence, the temperature-and equivalent water pressure-dependent hydraulic permeability in the frozen fringe is mathematically determined and improved. By coupling the quasi-static model with the modified hydraulic permeability function, the numerical calculation of ice lens growth is validated based on the experimental data of the temperature of the ice lens measured in the laboratory. The prediction of ice lens growth using the proposed method contributes and facilitates the simplified calculation of frost heave in the field and/or laboratory scenarios at a quasi-static state, and thus enables a better understanding of phase change and fluid flow in partially frozen granular media (soils).

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“…Among them, Liu Y. et al (2018) built an elastoplastic model of saturated permafrost based on porous media theory, thermodynamics, and elastoplastic mechanics and mathematically analyzed the stress-strain relationship of permafrost. Ji et al (2018) considered the connection between soil porosity and powerful pressure and laid out a coupled warm water driven mechanical model depicting the development of single-molecule ice under compelled conditions. The paper then performed a comprehensive analysis of the various effects of exterior stress on the unfrozen earth.…”

Section: Introductionmentioning

confidence: 99%

Analysis on “three-box” model of stress-strain in frozen soil porous media based on representative macroscopic Volume

et al. 2022

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In cold regions, the pore space’s composition and phase state can affect the elastic modulus of the media. During the winter, the freezing conditions in the soil results in the release of water from the pore space, which results in significant changes in the media’s distribution and composition. There are a few weaknesses in the current research with respect to the elastic modulus change example of frozen soil. This paper presents that the Representative Macroscopic Volume (RMV) choice strategy is provided for frozen soil with porosity as a typical condition variable. Under the state of freezing, a “three-box” analytical model for stress-strain calculation of frozen soil porous media is established, namely, the black-box model, the gray-box model, and the white-box model. The relevant equations for calculating elastic modulus are presented based on the proposed “three-box” model and the analysis of the stress conduction process. Results show that the discrepancy between the computed and experimental values of the white-box model is slight, and the elastic modulus of frozen soil calculated by the model established in this paper is consistent with the actual state. It can be deduced that the model established in this paper has practicality and the conclusions of the study are of guiding significance for the application of frozen soil.

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A separate-ice based solution for frost heaving-induced pressure during coupled thermal-hydro-mechanical processes in freezing soils

Cited by 20 publications

References 25 publications

A Review of the Research on Thermo-Hydro-Mechanical Coupling for the Frozen Soil

A Review of the Research on Thermo-Hydro-Mechanical Coupling for the Frozen Soil

Frost heave in freezing soils: A quasi-static model for ice lens growth

Analysis on “three-box” model of stress-strain in frozen soil porous media based on representative macroscopic Volume

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