Advanced Experimental Unsaturated Soil Mechanics

A. Tarantino, Università degli Studi di Trento, Trento, Italy E. Romero, Università degli Studi di Trento, Trento, Italy, Universitat Politècnica de Catalunya, Barcelona, SpainY.J. Cui, Ecole Nationale des Ponts et Chaussées, Paris, France

• Suction measurementLessons learnt from suction monitoring during centrifuge modeling Pressure pulse technique for measuring diffused air volume A new soil-water characteristic curve device Soil suction measurement using the Xeritron Sensor in two different types of infiltration testson a swelling soil Swelling and suction in clay mineralsThe effect of structure on the water retention of soil tested using different methods of suctionmeasurement l Suction controlControlled suction oedometric tests: analysis of some experimental aspects Behavior upon drying-wetting paths of Maghnia Bentonite (west of Algeria)An investigation into hydro-mechanical behavior of an expansive soil using axis-translation andvapor equilibrium techniques Combining different controlled-suction techniques to study expansive claysOn the suction control techniques in studying the THM behavior of unsaturated soilsDetermination of water retention curves of two bentonites at high temperature 7vMechanical testing in unsaturated soilsA direct shear box improved with the osmotic techniqueVolume change measurement of partially saturated rockfill in triaxial tests Advancement in oedometer testing of unsaturated soils A tensile strength apparatus for cohesionless soilsDirect shear testing of interfaces in unsaturated soil Measuring lateral pressures during suction-controlled one-dimensional consolidationDetermination of the shear strength of unsaturated soils using the modified ring shear apparatus Experimental study of flowslide on reconstituted samples of pyroclastic soils: soilcharacterization and testing devices Mechanical behaviour of unsaturated soilsWetting paths upon shearing: experimental evidence and comparative analysis of two volcanicsoils in the area of Napoli and Roma Seasonal variation of a subgrade soil resilient modulus in southern Brazil Wetting and anisotropic consolidation behaviour of an expansive clay Swell and shrink tests in modified oedometer apparatuses A study of the shear strength of two unsaturated colluvium soils Direct shear and compression behaviors for an unsaturated compacted soil with watercontent and matric suction measurement Investigations on the unsaturated stress-strain behaviour and on the SWCC of Hostun Sandin a double-walled triaxial cell Analysis of the deformability of compacted tropical residual soils Stiffness of unsaturated compacted clayey soils at very small strains Experimental and modeling of unsaturated soil behavior under stress path tests Stresses and conjugate strain-increments in plotting experimental data for unsaturated soilsInfluence of matric suction on the shear strength of a compacted Kaolonite underunconfined conditions: Experimental results (Part 1)Influence of matric suction on the shear strength of compacted Kaolin soil underunconfined conditions: Shear strength prediction (Part 2)Stress-strain behavior of an unsaturated residual soil from gneiss Experimental study of the effect of cyclic suction loading on shear behavior of collapsible soils Influence of sample preparation technique on the stress-strain behaviour of unsaturated soils An elastoplastic hydro-mechanical model for unsaturated compacted soils Seismic compression behaviour of non-plastic silty sandsAn empirical relationship for evaluating collapsible settlements of volcanic ash sandy soil A direct testing method for the tensile strength of compacted claysHydraulic testing in unsaturated soilsUnsaturated soil diffusivity measurements Quasi-steady centrifuge method for unsaturated hydraulic characterization Numerical modeling of constant flow method for measuring unsaturated hydrologic properties The centrifuge permeameter for unsaturated soils (CPUS) Experimental hydraulic measurements in an unsaturated swelling soil using the dual-energygamma-ray technique Hydraulic behaviour of unsaturated soilsEstablishment of new tropical soils differentiation factors considering suction and soil genesis Assessment of Fredlund & Xing’s soil-water characteristic equation for tropical soilsAn experimental evaluation of unsaturated hydraulic conductivity functions for aquasi-saturated compacted soil Soil-water characteristics and volume change behavior of an artificially cemented expansive clay Some remarks on physicoempirical models for the prediction of the soil water retention curve Determination of the soil-water characteristic curve of undisturbed colluvium soils Use of soil-water characteristics curve in determination of stability of embankments duringdrying and wetting processes A model to predict the soil water characteristics of sand mixtures Evaluation of air permeability of unsaturated sandy soilsEvaluation of moisture-suction characteristics of a lateritic soil submitted to infiltration bycaustic liqueurGas permeability evolution of a sand/bentonite during controlled-suction paths Water retention curves of lime stabilised soil Investigating water retention characteristics upon wetting paths using water-undrainedcompression tests Estimation of the soil-water characteristic curve of coarse-grained soils using one pointmeasurement and simple propertiesMicrostructure investigationCompressibility and fabric of an unsaturated compacted swelling soilInfluence of moisture content on porosity features of Red clayChemical and mineralogical properties of Residual tropical soils and their relationshipswith selected geotechnical properties Techniques of sample preparation of artificial cemented highly collapsible soil Microstructure of clay-sand mixtures at different hydration states Drying induced alteration to the microstructure of a tropical soilGeo-environmental testingTemperature effects on the water content-suction relation of two soils On the retention properties of a polluted sand-silt mixture Image analysis to determine the dispersion coefficient and dispersivity in capillaryand saturated zoneAn experimental evidence in desiccation cracking in sandy silt Thermo-hydro-mechanical tests using vapor and liquid transfer on a clay based mixture Assessment of swell-shrinkage behavior of compacted sedimentary residual soil forpotential use in landfill liner Field measurement and monitoring in field applicationsLaboratory versus field values of unsaturated soil diffusivity Further tests on the fissuring of clay fill at the Thorngumbald flood embankment In situ testing of unsaturated organic soils Field monitoring of matric potential and soil water content in the chalk unsaturated zone The use of the ground penetrating radar, GPR, as a non intrusive method tomeasuring soil water contentInstrumentation and matric soil suction measurement in a decomposed granite soil slopeMonitoring matric suction profiles in partially saturated pyroclastic topsoil slopes Numerical modelling of soil suction measurements in pyroclastic soilsFirst results of a monitoring experiment for the analysis of rainfall induced landslides AEvaluation of evapotranspiration from alternative landfill covers at the Rocky Mountain Arsena