Thermo-Hydro-Mechanical Modeling of Artificial Ground Freezing: Application in Mining Engineering
Sign Up to like & getrecommendations! Published in 2019 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-019-01786-9
Abstract: For decades, artificial ground freezing (AGF) has been used as a temporary soil stabilization and waterproofing technique in multiple geotechnical engineering applications. Experience gained from AGF experiments indicates that the pore water expansion during freezing… read more here.
Keywords: engineering; ground; ground freezing; thermo hydro ... See more keywords
A Three-Dimensional Hydro-mechanical Model for Simulation of Dilatancy Controlled Gas Flow in Anisotropic Claystone
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DOI: 10.1007/s00603-020-02152-w
Abstract: Dilatancy controlled gas flow is characterized by a series of gas pressure-induced dilatant pathways in which the pathway aperture is a function of the effective stress within the solid matrix. In this paper, a three-dimensional… read more here.
Keywords: gas flow; gas; dilatancy controlled; model ... See more keywords
Influence of Fibers on Hydro-Mechanical Properties of Bentonitic Mixtures
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DOI: 10.1007/s10706-020-01214-8
Abstract: This paper reports the influence of fibre inclusion on the hydro-mechanical properties of bentonitic mixtures at varying compaction states. Pond ash–bentonite and sand–bentonite mixtures are synthesized by adding 20% commercial bentonite to pond ash and… read more here.
Keywords: bentonitic mixtures; properties bentonitic; specimens compacted; content ... See more keywords
A generalized interpolation material point method for modelling coupled thermo-hydro-mechanical problems
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DOI: 10.1016/j.cma.2021.114080
Abstract: Abstract This paper proposes a Generalized Interpolation Material Point Method (GIMP) for modelling coupled thermo-hydro-mechanical (THM) processes within unsaturated porous media. The governing equations for the coupled thermo-hydro-mechanical problems are derived based on the conservation… read more here.
Keywords: thermo hydro; generalized interpolation; hydro mechanical; interpolation material ... See more keywords
Modelling hydro-mechanical reinforcements of plants to slope stability
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DOI: 10.1016/j.compgeo.2017.09.001
Abstract: Abstract The study investigates plant reinforcement to the stability of coarse-grained soil slopes, exploring the relative contribution of mechanical root reinforcement and hydrological effects of plant-induced matric suction. A numerical model is used to capture… read more here.
Keywords: root; reinforcements plants; mechanical reinforcements; stability ... See more keywords
A coupled hydro-mechanical constitutive model for unsaturated frictional and cohesive soil
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DOI: 10.1016/j.compgeo.2017.11.010
Abstract: Abstract The present study has developed a constitutive model for both saturated and unsaturated soils. The model considers the effect of mechanical and hydraulic loading on the soil behavior in critical state framework. The mechanical… read more here.
Keywords: coupled hydro; model; soil; hydro mechanical ... See more keywords
A fully coupled fracture equivalent continuum-dual porosity model for hydro-mechanical process in fractured shale gas reservoirs
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DOI: 10.1016/j.compgeo.2018.10.017
Abstract: Abstract A fully coupled fracture equivalent continuum-dual porosity model is proposed to investigate hydro-mechanical coupling phenomena in fractured porous media. An improved fracture tensor is then developed to transform the local discontinuities at cell level… read more here.
Keywords: fully coupled; coupled fracture; hydro mechanical; fracture ... See more keywords
Isogeometric analysis through Bézier extraction for thermo-hydro-mechanical modeling of saturated porous media
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DOI: 10.1016/j.compgeo.2018.11.012
Abstract: Abstract We present a modeling framework developed based upon Isogeometric analysis (IGA) for fully coupled numerical simulation of thermo-hydro-mechanical (THM) problems in saturated porous media. The framework employs Bezier extraction to connect IGA with the… read more here.
Keywords: thermo hydro; saturated porous; hydro mechanical; porous media ... See more keywords
Finite element implementation of a fully coupled hydro-mechanical model and unsaturated soil analysis under hydraulic and mechanical loads
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DOI: 10.1016/j.compgeo.2019.02.005
Abstract: Abstract The finite element implementation of a fully coupled hydro-mechanical constitutive model Zhou et al. (2012a, b) is presented here. An explicit integration scheme with four main steps is adopted to integrate the constitutive relation… read more here.
Keywords: element implementation; fully coupled; implementation fully; hydro mechanical ... See more keywords
Hydro-mechanical coupled modeling of hydraulic fracturing using the mesh fragmentation technique
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DOI: 10.1016/j.compgeo.2020.103591
Abstract: Abstract The inclusion of special interface elements between standard finite elements is becoming a common technique to model discontinuities in porous media using the finite element method (FEM). Recently, it was proved that high aspect… read more here.
Keywords: technique; mesh fragmentation; hydraulic fracturing; fragmentation technique ... See more keywords
Hybrid finite volume-finite element methods for hydro-mechanical analysis in highly heterogeneous porous media
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DOI: 10.1016/j.compgeo.2020.103996
Abstract: Abstract In this study, two classes of advanced finite volume schemes, including Multi-Point Flux Approximation (MPFA) and Dual Discrete Finite Volume (DDFV) method, have been employed in conjunction with the finite element (FE) geomechanics simulator… read more here.
Keywords: highly heterogeneous; finite volume; hydro mechanical; finite element ... See more keywords