Unsaturated Soils: Research & Applications

Nasser Khalili, Adrian Russell, Arman Khoshghalb

• Preface, Organization, Obituary, VOLUME 1, Plenary lectures, Possible frost heave mechanisms in an unsaturated high-speed railway formation, Highly expansive granular mixtures, Validating the effective stress principle in unsaturated soil using non-failure tests, Semi plenary lectures, Some issues in hydro-mechanical behaviour of unsaturated soils and its modelling, Raw earth construction: Is there a role for unsaturated soil mechanics?, Expansive clays, collapsing sands, unbound pavement materials and unsaturated soil theory, Use of the yield pressure to interpret pressuremeter results in unsaturated soil, Characterization of unsaturated properties of recycled materials, Response of intermediate unsaturated soils under suction-controlled plane strain conditions: A preliminary investigation, Unsaturated issues in claystones, Matrix suction and shear strength of unsaturated clay, On the hydro-mechanical behavior of unsaturated soils in railway sub-structures, Fundamentals, Role of matric suction on wetting-induced collapse settlement of silty sand, Investigation of the directional dependence of soil resistivity in cracking clays, Physical effects of liquid-vapor water transition in unsaturated soils, Research on stress state variables of unsaturated soil, Study on mechanical behavior of non-wettable sands, The principle of effective stress in unsaturated soil mechanics and its limitations, Necessary conditions for the critical state of unsaturated soils, Exploiting suction to reduce embodied carbon in geotechnical structures, Projections of climate change on the behaviour of clays in the UK, Interpretation of stresses and strains in unsaturated fine-grained soils, Pore-water pressure development of a quasi-saturated compacted residual soil, Examination of effective stress and determination of state surface of unsaturated clayey silt by using suction controlled consolidometer test, On controlling influence of the line of optimums on the compacted clayey soil behavior, A modified form of Terzaghi’s effective stress principle of unsaturated expansive clays, Effects of wetting on mechanical behavior and particle crushing of a mudstone particle mixture, Principle of effective stress for unsaturated soils, Experimental study on the relationship of mechanic and hydraulic state variables, and the dielectric properties of clays, Characterization of time-dependent contact angles for oleic acid mixed sands with different particle size fractions, Characterization of the effect of disturbance on the hydro-mechanical behavior of a highly collapsible loessial soil, Fundamental concepts of the mechanics of unsaturated soils, Hydro-mechanical behaviour of unsaturated soils, Effect of confining pressure and degree of saturation on damping ratios of sand, Constitutive modelling, Influence of compaction procedure on elastic anisotropy, An improved modeling of hydro-mechanical behavior of unsaturated compacted soils, Swelling of compacted expansive clays interpreted in terms of Tezaghi effective stress, A model for weakly unsaturated soils taking into account the three phases (air, water and soil), Inception of strain localization in variably saturated soils, Elastoplastic framework for the volumetric behavior of unsaturated soils, Elastoplastic framework to simulate the collapse of soils, A multiphase constitutive modeling framework for unsaturated soil behavior, A simple model for prediction of the modulus of elasticity of unsaturated expansive soils, Bounding Surface Plasticity (BSP) approach to model behaviour of unsaturated soils using a non-associative flow rule, Modelling wetting collapse behaviour in unsaturated granite residual soil, A constitutive model of unsaturated expansive soils considering influences of capillary and adsorptive components of matric suction, Influence of stress variables on constitutive modeling for unsaturated soils, Patterns of cracking in soils due to drying and wetting cycles, Nonlinear ground response analysis of unsaturated soil deposits, Incremental stress-strain and suction-degree of saturation formulation in unsaturated soils, A new model adapted for unsaturated soils taking cyclic loading into account, Discussion on the introduction of suction in an existing model, Discussion on the integration of the complex hydromechanical coupling in a model adapted for unsaturated soils, Prediction of stress strain response by rotational multiple yield surface framework for unsaturated granite residual soil, An elasto-plastic model for unsaturated soils with evolving anisotropy, Multi-scale analysis of the swelling and shrinkage of a lime-treated expansive clayey soil, A compressibility framework to describe the volume change behaviour of unsaturated clayey soils, Directional plastic flow and stress increment dependencies: Experimental study on variably saturated soils, Stress integration schemes for unsaturated soils, Model predictions of hydro-mechanical coupling in unsaturated crushable soils, Numerical modelling, Multi-objective management of unconfined aquifer considering the unsaturated flow zone, Modelling benchmark of a laboratory test on hydro-mechanical behavior of bentonite, Modeling the thermo-mechanical triaxial shearing behavior of unsaturated soils using EPR, Modeling density effect on hydro-mechanical behavior of unsaturated soils, Coupling between deformation and flow models in deformable unsaturated soils, A preliminary meso-mechanical analysis of effective stress in unsaturated soil, Modeling rainfall infiltration through coarse and fine-grained unsaturated geomaterials, Numerical analysis of unsaturated excavation by using suction stress, Modelling soil water redistribution in unsaturated zone during evaporation process, Compaction simulation with soil/water/air coupled FEA code and parametric study, Obtaining factors of safety from a finite element analysis of unsaturated soils, Equivalent linear site response analysis of partially saturated sand layers, Modeling the formation and propagation of desiccation cracks in soils, Consolidation analysis of unsaturated double porosity media, EFG mesh-less method for coupled hydro-mechanical analysis of unsaturated porous media, Numerical simulation of mechanical behavior of a triaxial silty soil under undrained and various controlled air boundary conditions, Three-phase coupled analysis of unsaturated embankment subjected to rainfall infiltration and seismic motion, The influence of time unit and element size with the numerical result of soil-water-air coupled unsaturated seepage analysis, Verification of a new soil-water-air coupled analysis based on a rate-type equation of motion through realization of uniform deformation of an unsaturated soil specimen, Application of soil/water/air coupled F.E. code to predict seepage and deformation on sandy slope, Mesh size dependent process of wetting front advancing in unsaturated soil column, A FE analysis on slope failure in unsaturated ground based on soil-water-air fully coupling theory, A constitutive model for coupled thermo-hydro-mechanical analysis of multiphase flow in local thermal non-equilibrium in fractured media, Numerical evaluation for performance of a capillary barrier system, Numerical evaluation of a multiple soil barrier system preventing water infiltration, Micro and macro structure, Microstructural analysis of water retention property for a cemented dredged material, An X-Ray CT imaging of water absorption process of soft rocks, Influence of microfabric evolution on the retention behaviour of compacted clayey soils, An approach to detect micro- and macro-porosity from MIP data, Sand mixture density, Qualitative and quantitative investigation of soils and porous rocks by using very high resolution X-ray micro-CT imaging, An investigation into unsaturated states of granular media using X-ray computed tomography, Experimental and modelling issues in unsaturated soils mechanics: Role of microstructure, The use of XRCT to investigate highly unsaturated soil mixtures, Macro and microstructure of Guadalquivir blue marls in cyclic suction-controlled drying and wetting test, Observation of soil curling using 2D laser scanner, Microstructural interpretation of compression behaviour of compacted kaolin clay, Small strain and dynamic response, Role of the compaction energy level on the small strain stiffness of a silty sand soil subjected to wetting and drying, Large deformation dynamic analysis of unsaturated soils, Constitutive model for unsaturated fine-grained soils incorporating small strain stiffness, Small-strain shear stiffness of compacted clays: Initial state and microstructural features, Effect of wetting and drying paths on the resilient modulus of a compacted soil, Effect of pore air pressure on cyclic behavior of unsaturated sandy soil, Influence of seepage event on cyclic triaxial behavior of a compacted, unsaturated soil, Semi-empirical model for predicting the resilient modulus of unsaturated fine-grained soils, Thermal effects—desiccation, Refinements in the theory to predict actual evaporation, Temperature effect on the mechanical parameters of a clayey compacted soil, Crack formation in clayey geomaterials subjected to tensile (total) stress, Desiccation cracking in clay forms subjected to non-uniform hydraulic and mechanical boundary conditions, Unsaturated soil mechanics in geothermal energy applications, Water retention and thermal properties of nearly saturated Boom Clay, Variation of total suction of a clayey soil with temperature, Behaviour of a bentonite barrier under thermal and hydraulic gradients: FEBEX mock-up test, 16 years of operation, Numerical investigation of desiccation cracking in fine-grained soil using a lattice spring model, Shrink—swell, Laboratory tests on swelling due to crystal growth in sulphate bearing rocks, Crystal growth and soil expansion: The role of interfacial pressure and pore structure, Multi-scale study of desiccation shrinkage in granular soils, Relationship between swelling pressures determined by constant volume and consolidation-swell oedometer tests, Effect of coal addition on the swelling potential of a weathered claystone, Wetting induced volume change behavior of compacted expansive soil with different initial state, Quantifying shrink-swell capacity of soil using soil moisture sorption isotherms, Biological treatment of swelling soils using microbial calcite precipitation, Deformation of compacted bentonite due to changes in relative humidity, Influence of stress-volume path on swelling behavior of an expansive clay, Author index, VOLUME 2, Water retention characteristics, Voids ratio dependent soil-water characteristic curves: Theoretical derivations using fractals, Study of SWCC modeling parameters with variation in swelling behavior and mineralogy of four compacted expansive clays, Generating accurate soil water characteristic curves over the full range of soil suction by combining the Wind-Schindler and dewpoint hygrometer techniques, Development of a hysteretic soil-water retention model using an optimisation technique, SWCC measurement of two types of iron ore fines, On the effects of density on water retention properties of expanded perlite, Retention curves of bentonite under a microstructural perspective, Soil water retention curves of a compacted soil used as liner of a sanitary landfill, Evaluation of a geosynthetic clay liner water retention curve using vapour equilibrium technique, The water retention properties of the Callovo-Oxfordian claystone, Effect of adding natural clay on the water retention curve of sand-bentonite mixtures, Effects of hydration fluid on moisture-suction relationships for geosynthetic clay liners, Variability in Soil-Water Characteristic Curve associated with fitting parameters, Water retention behavior of deformable soils—experiment and modeling, Unsaturated flow and hydraulic conductivity, A conceptual model for water-limited evapotranspiration taking into account root depth, root density, and vulnerability to xylem cavitation, Dynamics of water movements with reversals in unsaturated soils, Characterisation of the hydraulic behaviour of coarse-grained flood embankment materials, Hydration kinetics of compacted low-density bentonite, Underlying parameters affecting estimation of unsaturated permeability of soils, Rate of capillary rise in a column of uniform sized spheres, Comparison of 1D and 2D infiltration results using unsaturated transparent soil, Predicting the dependency of a permeability function on initial density for unsaturated soils, Probabilistic model to predict soil-water characteristics on unsaturated soils, Hydraulic conductivity from soil-water characteristic curves with hysteresis, Inverse analysis to estimate hydraulic properties of unsaturated soil, Assessment of soil texture influence on nitrates leachability in unsaturated soils, Experimental study of brown coal hydraulic behavior at low confining stress, An experimental study on pore-air behavior during water seepage process in unsaturated soil, Determination of unsaturated permeability function for clayey silt, Evaluation of the method of determining unsaturated hydraulic conductivity based on the pore size distribution curve, Experiences with unsaturated flow modeling and unsaturated flow property determination for expansive clays, Determination of the unsaturated hydraulic conductivity of clayey soil columns using Magnetic Resonance Imaging (MRI), Gas flow in variable permeability porous media, The modified van Genuchten-Mualem model on Hydraulic Conductivity to improve reliability and numerical stability near saturation, Derivation of mass transfer model for unsaturated soil and its applications, Evaluation on air-permeability of unsaturated soils subjected to freeze-thaw action, Estimation and observation of water diversion in capillary barrier of soil, Influence of Fredlund-Xing-Kunze hydraulic models for the prediction of flow through unsaturated soils, Swelling characteristics and permeability of bentonite, Discrete microbubbles flow in transparent porous media, Slope stability, Effect of dual-porosity material on stability of slope during rainfall, Evaluating slope stability with respect to pore-water pressure and suction variation with rainfall: A case study of fill granitic slope in northern Thailand, Infiltration and stability of soil slope with vetiver grass subjected to rainfall from numerical modeling, A numerical study of hydrological effects of vegetation on slope stability, The mechanism of soil moisture contents in a slope gully during rainfall, Stability analysis of high steep saturated-unsaturated loess slope, Implementation of coupled finite element analysis for partially saturated soil slope stability, Slope stability analysis by considering unsaturated seepage force in unsaturated slope, Reliability analysis of rainfall induced slope instability of unsaturated soil slopes, Experimental study on the initiation of debris flow, Shear strength, Unsaturated shear strength prediction of highly expansive soil, Modification of relative humidity and soil resistance at ground surface, The relationship between unconfined compressive strength and matric suction of compacted Khon Kaen Loess, Matric suction and shear strength of dynamically compacted soils, Generalized sensitivity for unsaturated cohesive soils, Unsaturated shear strength of coal mine spoil, Experimental study and evaluation of shear behavior of unsaturated soil-steel interfaces, Shearing behavior and modeling of disturbed volcanic cohesive soil considering dependence of hydraulic hysteresis on void ratio, Field studies, Field monitoring of seasonal ground movements in expansive soils in Melbourne, Analysis of the effects of the partial saturation on the Adige river embankment stability, Effects of grass on induced soil suction during Evapotranspiration and ponding, Improvement of expansive soil of East Java, Indonesia by using the industrial solid waste, Excavation damaged zone modelling including hydraulic permeability evolution in unsaturated argilaceous rock, Himes and Johnson Street subgrade soil analysis, Soil moisture profile of a water-shedding cover design in central Queensland, Soil-atmosphere interaction in a slope affected by shallow landslides: An example in Northern Italy, On the role of geotechnical properties on the response of shafts realized by the sequential excavation method in unsaturated soils, In-situ and laboratory measurements of coal matrix and cleat permeability, The change of matric suction due to heavy vehicle crossing, Field monitoring of an experimental embankment constructed with two treated fine-grained soils, Studies on the inhibitory effect by various adaptation measures for red soil runoff from farmland on field tests, Fully coupled flow-deformation analyses of infiltration and matric suctions within a tropical soil slope, Rainfall-induced landslides: Development of a simple screening tool based on rainfall data and unsaturated soil mechanics principles, Experimental arguments concerning a hydraulic connection layer during limestone convective drying, Comparison of field and laboratory data in relation to cover design on TSF closure, Excavation damaged zone under imbibition: Evidence of self-sealing into claystone, Cone Penetration Testing in unsaturated soils at two instrumented test sites, Modeling field load tests in lateritic unsaturated soil, Cyclic relationship between saturation and tensile strength in the near-surface zone of infrastructure embankments, Field monitoring of a highway cut slope for rain-induced instability, Compression-induced saturation in coal mine spoil piles, Slope stability analysis for Champlain sea clay deposits using the mechanics of unsaturated soils, Instrumentation and experimental techniques, Measurement of pore water pressure properties of unsaturated brown coal using triaxial test, Measurement of tensile strength of clayey soil during drying and cracking, High pressure triaxial cell for thermal volume change measurements of unsaturated soils, Laboratory compression of scalped coal mine spoil materials tested under dry and wet conditions, Coupled effects of suction and degree of saturation on large strain shear modulus of unsaturated sands, The use of mini-vane test to infer the undrained shear of a compacted residual soil under suction, Establishment of water retention properties of granite saw dust using ultracentrifuge, Validity of a making method for a homogeneous specimen using micro-wave due to examine accurate mechanical properties of unsaturated clay, Comparison of tensiometer, thermal conductivity and capacitance sensor measurements of pore water pressure in compacted clay columns, Mechanical behavior of unsaturated argillaceous rocks under uniaxial compression through acoustic emission, Photogrammetry for volume change measurement in unsaturated soil tests, Performance of the University of Newcastle high capacity tensiometers, New triaxial device for unsaturated soils with local measurements, Digital image technique for deformation measurement of unsaturated soil specimen in triaxial test, Triaxial and simple shear tests on unsaturated sand specimens with negative pore water pressures, CRS compression tests of an unsaturated kaolin with pore-water pressure measurement, Effective stress behavior in triaxial K0 consolidation on unsaturated soil, Experience gained from the conditioning of high-capacity tensiometers, Collapse of coarse-grained materials due to inundation under one-dimensional compression conditions, Calibration procedure for osmotic suction controlled testing, Interpretation of the cone penetration test in unsaturated sands, Removal of leached metals from flooded/drained contaminated soils using zeolites, Freezing-thawing tests on natural pyroclastic samples, Determination of moisture content and soil suction in engineered fills using electrical resistivity, Soil-water characteristic curves from various laboratory techniques, Effect of moisture content on thermal conductivity of soils, Development of facility and testing procedures to investigate retaining wall-unsaturated soil interactions, Response of tensiometers to laboratory thunder sound replicated waves, Strength/volume change behaviour of compacted silty sand using a novel double-walled suction-controlled triaxial system, Gas transport properties of compacted bentonite, Determination of the modulus of elasticity and suction modulus of compacted unsaturated expansive clay from Nanyang, China, Simultaneous and continuous measurements of thermal and hydrological properties of sand using Transient Release and Imbibition Method, Retaining structures, foundations and pavements, Application of limit analysis in unsaturated soils: Numerical and experimental study of bearing capacity, Analytical solution for one-dimensional consolidation of unsaturated soil deposit subjected to step loading, In situ measurement of steel push-piles and helical piers in expansive soils, Revetment walls for stiff unsaturated clays, Lateral pressures on soil nail walls supporting high plasticity clays, Modeling the p-? behavior of single friction pile in compacted fine-grained soils, Application of the unsaturated soil mechanics in the design of pavements, Slip line theory extended to unsaturated soils and applied to the retaining wall—unsaturated soil interaction problem, Mechanisms of rainfall induced differential settlements in unsaturated heterogeneous foundations, Author index