Unsaturated Soils, Two Volume Set

VOLUME 1

Keynote lectures

Design of stiffened slabs-on-grade on shrink-swell soils 
J.-L. Briaud, R. Abdelmalak & X. Zhang

Geotechnical and environmental models involving unsaturated soils and rocks
S. Olivella

Energy geotechnology: Implications of mixed fluid conditions
J.C. Santamarina & J. Jang

General reports

Geotechnical problems and case histories from the perspective of unsaturated soil mechanics
C.W.W. Ng & A.K. Leung

Constitutive modelling of unsaturated soils: Discussion of fundamental principles
D. Sheng

Unsaturated soils: Compacted versus reconstituted states 
A. Tarantino

Unsaturated soil behaviour

Microstructure

Development of microstructure in compacted earthen building materials 
C.T.S. Beckett & C.E. Augarde

Evolution of meso-structure of intact loess during triaxial shear test 
X.-W. Fang, C.-N. Shen, Z.-H. Chen & Z.-B. Zhou

A model for capillary pressure in unsaturated granular soils within the pendular saturation regime 
J.L. Justo & M. Vázquez

An insight into role of clay-fluid molecular interactions on the microstructure and macroscale properties of swelling clays 
D.R. Katti, K.S. Katti, P.M. Amarasinghe & S.M. Pradhan

Volume changes of swelling clayey soils at microscopic scale level 
T. Maison, F. Laouafa & J.-M. Fleureau

Influence of the microstructure on the hydro-mechanical behaviour of a natural silty clay 
M.M.A. Mascarenha, M.P. Cordão-Neto & E. Romero
 
Stress-strain and strength characteristics

Hydro-mechanical response of an expansive silt-bentonite mixture 
M. Ajdari, H. Nowamooz, F. Masrouri, G. Habibagahi & A. Ghahramani

Deformation behavior in unsaturated soils 
R. Baltodano-Goulding

Collapse potential of a compacted weathered serpentinite from Skiros Island, Greece 
M. Bardanis & S. Grifiza

Collapsibility study for tropical soil profile using oedometric tests with controlled suction 
J.C.B. Benatti, M.G. Miguel, R.A. Rodrigues & O.M. Vilar

Stress path effects on shear stiffness, damping ratio and volumetric behaviour of normally consolidated unsaturated compacted clay 
M. Biglari, A. d’Onofrio, C. Mancuso, M.K. Jafari & A. Shafiee

Shrinkage during wetting of fine-pored materials: Does this accord with the principle of effective stress?
G.E. Blight

Shear strength of an unsaturated silty sand 
F. Casini, P. Minder & S.M. Springman

Dilatancy and shear strength of an aged compacted fill 
A.C.F. Chiu & X. Zhao

An experimental study on the cyclic behavior of natural loess 
Y.-J. Cui, A.-M. Tang, J.P. Karam & J.M. Terpereau

Inundation collapse strain and creep measurements for two Campanian pyroclastic soils 
P. De Simone

Simple shear tests on unsaturated undisturbed specimens containing a weak layer 
J.L. Deng, H. Kameya, Y. Tsutsumi, J. Koseki & J. Kuwano

Volume change behaviour due to moisture variation in vertisoil from a semiarid region in Pernambuco, Brazil 
S.R.M. Ferreira

Constant water content triaxial compression tests with a compacted soil 
G.B. Georgetti & O.M. Vilar

The relationship between the critical state shear strength of unsaturated soils and the soil-water characteristic curve 
J.A. Infante Sedano & S.K. Vanapalli

Unsaturated shear strength parameters of tropical volcanic residual soils 
R. Karlinasari & P.P. Rahardjo

Direct shear test under constant volume state for unsaturated soil 
S. Kato, B.S. Kim & S. Shibuya

Effects of matric suction on elastic shear modulus for three unsaturated soils 
S. Kawajiri, S. Shibuya, S. Kato & T. Kawaguchi

Mechanical behaviors and water retention characteristics of micro-porous ceramic particles produced by burning sludge 
J. Kawazu, K. Kawai, S. Kanazawa & A. Iizuka

Effect of suction hysteresis on the shear strength of unsaturated soil interfaces 
C.N. Khoury & G.A. Miller

Critical state behaviors of unsaturated soil in the direct shear test under constant pressure 
B.S. Kim, S. Kato & S. Shibuya

The decrease of the strength of unsaturated silty sand and the Bishop’s parameter
J.C. Leal, G. Gallegos & E. Rojas

Study on gas phase in unsaturated soils 
Y. Liu, C.G. Zhao & Q. Fang

A new unsaturated direct shear apparatus for measuring shear strength of unsaturated soils
 
Part 2: Results and comparison between plane strain and triaxial loading conditions 
A. Mirzaii, S.S. Yasrebi & E. Hefzi

A constitutive relationship for collapsible soils in terms of stress state variables 
J.D. Nelson, C.N. Hatton & K.C. Chao

Direct shear strength of compacted bentonite under different suctions 
T. Nishimura, H. Rahardjo & J. Koseki

Investigation of the behavior of an unsaturated sand using a cyclic direct shear device 
T. Nishimura, I. Shahrour & H.B. Bian

Pore pressure under undrained condition for compacted unsaturated silty soil having a low matric suction
T. Nishimura & J. Koseki

The relationship between the elastic and shear modulus of unsaturated soils
W.T. Oh & S.K. Vanapalli

Shear strength of a pyroclastic unsaturated soil from suction-controlled direct shear tests
R. Papa & M.V. Nicotera

Experimental study of the collapsible behavior of a tropical unsaturated soil
R.A. Rodrigues & O.M. Vilar

Swelling pressure evolution in compacted bentonite: Experiments and modelling 
M. Sánchez, M.V. Villar, R. Gómez-Espina, A. Lloret & A. Gens

Constant volume triaxial compression tests on unsaturated soil prepared from slurry 
M. Shimizu & J. Terakata

Assessment of the cv coefficient for unsaturated Warsaw Clay
Z. Skutnik, M. Lendo-Siwicka & K. Garbulewski

Laboratory investigations on static liquefaction potential of pyroclastic soils involved in rainfall-induced landslides of the flow-type
G. Sorbino, G. Migliaro & V. Foresta

Desorption and consolidation behaviour of initially saturated clays
S. Tripathy, R. Bag & H.R. Thomas

Compressive strength of unsaturated fissured clays
L.E. Vallejo

Effect of suction and plasticity on the shear strength of sand/silt mixtures
M.V. Villar, P.L. Martín, R. Gómez-Espina & A. Lloret

Experimental study on K0 coefficient of Ningming unsaturated expansive soil
H.P. Yang, J. Xiao, G.F. Zhang & R. Zhang

Experimental investigation of stress increment direction dependency of plastic flow in unsaturated soils
S. Zargarbashi & N. Khalili

Water retention and hydraulic behaviour

Laboratory determination of Soil-Water Characteristic Curves for cracked soil
M.M. Abbaszadeh, S. Houston, C. Zapata, W. Houston, B. Welfert & K. Walsh

The void ratio dependency of the retention behaviour for a compacted clay 
C. Airò Farulla, A. Battiato & A. Ferrari

Comparison between the in situ and laboratory water retention curves for a silty sand 
A. Askarinejad, F. Casini, P. Kienzler & S.M. Springman

On the inverse problem solution for laboratory determination of unsaturated water hydraulic conductivities 
K.V. Bicalho, J.-M. Fleureau, Y.-J. Cui & C. Romanel

Water retention curve and shrinkage of a waste from the paper industry 
J.C.O. Bizarreta & T.M.P. de Campos

Soil-water characteristic curves obtained through the wetting paths for a tropical soil profile 
B.H. Bonder & M.G. Miguel

An investigation on the effect of initial water content and dry density on drying soil-water characteristic curve of a cohesionless soil 
M. Chetia & S. Sreedeep

A transfer function of a soil water characteristic curve model for sands
E. Imre, K. Rajkai, R. Genovese & C. Jommi

Prediction of soil-water characteristic curve using neural network
A. Johari & A.A. Javadi

Hysteresis between wetting and drying diffusivity parameters
D. Mabirizi & R. Bulut

A simple method to consider water density changes in the calculation of the degree of saturation of swelling clays
D. Marcial

Hydromechanical behaviour of a natural sand using different suction controlled techniques
H. Nowamooz, M.I. Arsenie, C. Chazallon & F. Masrouri

Investigations on water retention behaviour of deformable soils 
S. Salager, A. Ferrari, M. Nuth & L. Laloui

Study on the soil-water characteristic curve including stresses of an unsaturated soil 
C.-N. Shen, X.-W. Fang, Z.-H. Chen & Z.-B. Zhou

Unsaturated hydraulic characteristics of soil with significant oversize particles 
S. Somasundaram, T. Shenthan, C. Benson & S. Nannapaneni

Unsaturated hydraulic properties of fine-grained soil from the blanket layer of old railway lines in France 
V.N. Trinh, A.-M. Tang, Y.-J. Cui, J.C. Dupla, J. Canou, N. Calon, A. Robinet, L. Lambert & O. Schoen

Soil-Water Characteristic Curve (SWCC) and volumetric deformation law for a plastic clay under high suction 
M. Vázquez, P. Durand & J.L. Justo

Atmospheric drying and laboratory wetting of stockpiled product coal 
D.J. Williams

A study of the water retention characteristics and volume change of lime-treated London Clay 
X. Zhang, M. Mavroulidou, M.J. Gunn & Z. Cabarkapa

Comparison of four methods for determining the soil water retention curve 
M. Zielinski, P. Sentenac, A. Atique, M. Sánchez & E. Romero

Thermal and chemical effects

Hydro-mechanical behavior of pre-heated bentonite 
Y.F. Arifin & T. Schanz

Lime stabilisation of pyroclastic soils 
M. Cecconi, V. Pane, F. Marmottini, G. Russo, P. Croce & S. dal Vecchio

Effect of temperature on collapse potential of kaolin clay 
A. Haghighi, G. Medero, P. Woodward & L. Laloui

Influence of freeze-thaw action on mechanical behavior of unsaturated crushable volcanic soil 
T. Ishikawa, S. Miura & K. Itou

Influence of temperature on the water retention capacity of soils analysis using solution thermodynamics 
A.C. Jacinto, A. Ledesma, M.V. Villar & R. Gómez-Espina

Influence of temperature rise under undrained condition on the shear behavior of unsaturated sandy soil considering solubility of gaseous components
Y. Katsuno, M. Iwabuchi, K. Ozawa, R. Uzuoka & M. Kazama

Thermal pulse effects on the stiffness degradation of unsaturated clayey materials 
A. Lima, J.A. Pineda & E. Romero

Effects of a microbiological compound for the stabilisation of compacted soils on their microstructure and hydro-mechanical behaviour
L. Morales, E. Garzón, E. Romero & C. Jommi

Influence analysis of the contaminants fluid in a compacted soil collapse
E.Q. Motta & S.R.M. Ferreira

Thermal damage in unsaturated geomaterials
M.M. Kharazi, C. Arson & B. Gatmiri

Thermo-hydro-mechanical behaviour of an expansive bentonite/silt mixture using different suction controlled techniques 
H. Nowamooz, R. Gómez-Espina, M.V. Villar & F. Masrouri

Direct measurement of thermal expansion in unsaturated soils 
X. Pintado & A. Lloret

Determining the thermal conductivity as a function of water content for a soil with different percentages of gravels 
C.M. Rubio, R. Josa, D.R. Cobos, C.S. Campbell & F. Ferrer

Temperature effects on soil-water retention properties of densely compacted GMZ01 bentonite 
W.M. Ye, M. Wan, B. Chen, Y.-J. Cui & J. Wang

Testing techniques: Laboratory, in situ and centrifuge

Evaluation of filter paper calibrations for indirect determination of soil suctions of unsaturated soils 
K.V. Bicalho, F.A.M. Marinho, J.-M. Fleureau & A. Gomes Correia

Useful laboratory guidelines for unsaturated soils research 
J.L. Boyd & V. Sivakumar

Centrifuge modeling applied to swelling soils 
B. Caicedo & C. Segura

Centrifuge modeling of soil atmosphere interaction 
B. Caicedo, J. Tristancho & L. Thorel

Physical modelling on unsaturated soils using centrifuge 
B. Caicedo, J. Tristancho & L. Thorel

Commentaries on the consolidation-swell test 
K.C. Chao, J.D. Nelson, D.D. Overton & E.J. Nelson

Detecting water content changes in sand samples by means of Electrical Resistivity Tomography 
R.M. Cosentini, G. Della Vecchia, S. Foti & G. Musso

Calibration of a TDR probe in an expansive soil 
S. Fityus & K. Rajkai

Effective thermal conductivity of partially saturated soils
S.S. Hamuda, M. Rouainia & B.G. Clarke

A new unsaturated direct shear apparatus for measuring shear strength of unsaturated soils Part 1: Apparatus features and test procedures 
E. Hefzi, S.S. Yasrebi & A. Mirzaii

Constitutive modeling of unsaturated soil behavior using a refined suction-controlled true triaxial cell: Preliminary observations 
L.R. Hoyos, D.D. Pérez-Ruiz & A.J. Puppala

Modeling unsaturated soil response under large deformations using a novel suction-controlled ring shear device 
L.R. Hoyos, C.L. Velosa & A.J. Puppala

Small-strain stiffness of compacted silty sand using a proximitor-based suction-controlled resonant column device 
L.R. Hoyos, E.A. Suescún, J.A. Pineda & A.J. Puppala

Efficient measurement of unsaturated hydraulic conductivity using a wetting front advancing method
X. Li, L.M. Zhang & D.G. Fredlund

Advances in tensiometer-based suction control systems 
S.D.N. Lourenço, D. Gallipoli, D.G. Toll, C.E. Augarde & F.D. Evans

A new permeameter for the determination of the unsaturated coefficient of permeability 
M.P.H. Moncada & T.M.P. de Campos

Suction measurements on a natural unsaturated soil: A reappraisal of the filter paper method
J.A. Muñoz-Castelblanco, J.-M. Pereira, P. Delage & Y.-J. Cui

The use of filter paper method for field suction investigation 
M.G.G. Nacinovic, C.F. Mahler, R.L.S. Izzo, P.F.S. Brandt & A.S. Avelar

The challenges of performing laboratory controlled cone penetration tests in unsaturated soils 
M. Pournaghiazar, A.R. Russell & N. Khalili

Characterization of unsaturated zone susceptible to landslides in tropical volcanic residual soil with in-situ tests 
P.P. Rahardjo & R. Karlinasari

Analysis of a drawdown test displaying the use of transparent soil in unsaturated flow applications 
G. Siemens, S. Peters & W.A. Take

Calibration of Smart Irrigation Sensor (SIS-UMS) for the blanket layer soil from old railway lines 
V.N. Trinh, A.-M. Tang, Y.-J. Cui, J.C. Dupla, J. Canou, N. Calon, A. Robinet, L. Lambert & O. Schoen

Wave velocity analysis of state parameter changes in multi-phase granular materials
F. Wuttke, M. Asslan & T. Schanz

A novel non-contacting laser displacement transducer technique for volume change measurements of unsaturated soils 
X. Zhang, M. Mavroulidou, M.J. Gunn, Z. Cabarkapa & J. Sutton
 
VOLUME 2

Modelling

Fundamentals and constitutive modelling

Mechanical model for partially saturated sandy soils: Application to liquefaction 
H.B. Bian, T. Nishimura & I. Shahrour

Saturation induced instability on bonded geomaterials 
G. Buscarnera & R. Nova

On the definition of constitutive models for compacted soft rocks 
R. Cardoso & E.E. Alonso

Effect of anisotropy on the prediction of unsaturated soil response under triaxial and oedometric conditions 
F. D’Onza, D. Gallipoli & S. Wheeler

Modelling criteria for a microbiologically stabilised compacted soil in the framework of elastoplasticity 
G. Della Vecchia, L. Morales, E. Garzón, C. Jommi & E. Romero

Some remarks on the hydro-mechanical constitutive modelling of natural and compacted Boom clay 
G. Della Vecchia, C. Jommi, A. Lima & E. Romero

Soil water characteristic curves and adsorption potential
S. Frydman & R. Baker

Numerical simulations of the thermomechanical behavior of clays on volumetric and deviatoric paths
M.S. Ghembaza, Z. Bellia & H. Trouzine

Parameter calibration for hydro-mechanical modelling using numerical simulations of test results
R. Gómez, E. Romero, A. Lloret, J. Suriol & C. Jommi

Evaluation of a constitutive model for unsaturated soils: Stress variables and numerical implementation
N.A. González & A. Gens

Prediction of the behaviour of unsaturated soils using evolutionary polynomial regression: An incremental approach
A.A. Javadi, A. Johari, A. Ahangar-Asr, A. Faramarzi & D.G. Toll

A fully coupled hysteretic finite element model for hydro-mechanical analysis of unsaturated soils
N. Khalili, S. Zargarbashi & M.A. Habte

A simple elasto-plastic model for unsaturated soils and interpretations of collapse and compaction behaviours
M. Kikumoto, H. Kyokawa, T. Nakai & H.M. Shahin

An introduction of jumped kinematic hardening rule to elastoplastic model for unsaturated geo-materials
Y. Kohgo

An effective stress based model for the dependency of a water retention curve on void ratio
D. Mašín

Rotational multiple yield surface framework and the prediction of stress-strain response for saturated and unsaturated soils
M.J. Md Noor & I.B. Mohamed Jais

Laboratory modelling: Settlement due to groundwater fluctuation in partially saturated soil
M.J. Md Noor, I.B. Mohamed Jais & J.D. Nyuin

Hydraulic hysteresis coupled to volume change effects in unsaturated soil behavior
M. Morvan, H. Wong & D. Branque

Mapping soil-water profile utilizing non-linear neural network based model
M. Mukhlisin, A. El-Shafie & M. Raihan Taha

A fundamental interpretation of the critical state strength of unsaturated soils
E.J. Murray & V. Sivakumar

Determination of the effective stress parameter: A pore network study
E. Nikooee, G. Habibagahi & A. Ghahramani

Assessment of volumetric collapse using probabilistic approach 
I. Otálvaro Calle, M.P. Cordão-Neto & G.M. Medero

Is the degree of saturation a good candidate for Bishop’s  parameter? 
J.-M. Pereira, O. Coussy, E.E. Alonso, J. Vaunat & S. Olivella

On the time-dependent behaviour of unsaturated geomaterials 
J.-M. Pereira & V. De Gennaro

A porous model based on porosimetry to simulate retention curves
E. Rojas, G. Gallegos & J. Leal

Modeling the tensile strength of soils 
E. Rojas, D. Hurtado, M.L. Pérez-Rea & A. Zepeda

Modelling the unsaturated behaviour of structured soils 
M. Rouainia & J.-M. Pereira

Fractals, double porosity and the soil-water characteristic curve
A.R. Russell

Constitutive model developments for compacted unsaturated fine grained soils based on porosimetry
R. Salgueiro, S. Olivella & J. Suriol

Hydro-mechanical coupling for unsaturated soils 
D. Sheng & A.N. Zhou

Simulation of static compaction with unsaturated soil/water coupled F.E. analysis 
M. Shibata, K. Kawai, S. Kanazawa, A. Iizuka, S. Tachibana, S. Ohno & M. Honda

Elastoplastic modelling of hydraulic and mechanical behaviour of expansive soils 
D.A. Sun & W.J. Sun

A constitutive model for cemented unsaturated soils and weak rocks
R. Tamagnini, M. Mavroulidou & M.J. Gunn

Constitutive model of unsaturated structured soils under cyclic loading 
C. Yang, M.S. Huang & Y.-J. Cui

Hydraulic conductivity function for unsaturated cracked soil 
L.M. Zhang, J.H. Li & D.G. Fredlund

Parameter identification in BBM using a parallel asynchronous differential evolution algorithm 
Y. Zhang, X.-T. Feng, D. Gallipoli & C. Augarde

Use of results from undrained tests for the constitutive modeling of unsaturated soils 
X. Zhang

Analytical and numerical modelling

A driver for the integration of coupled hydro-mechanical constitutive laws for unsaturated soils 
F. Cattaneo, G. Della Vecchia & C. Jommi

Numerical simulation of volume change of a swelling soil in the northeast of Brazil 
L.M. Costa, S.R.M. Ferreira, L. do N. Guimarães & I.D.S. Pontes Filho

A new analytical solution for one dimensional transient flow in unsaturated soils
H. Farshbab Aghjani & A. Soroush

Effect of mesh resolution on long-term water balance calculations
M.D. Fredlund, R. Thode & R.G. Nelson

Fully coupled analysis of unsaturated porous media using a meshfree method
A. Khoshghalb & N. Khalili

Two-dimensional fundamental solution for dynamic behaviour analysis of unsaturated soils
P. Maghoul, B. Gatmiri & D. Duhamel

Drying shrinkage and cracking initiation in clays: Main modeling concepts and application to the ventilation of a tunnel
H. Peron, J. Eichenberger & L. Laloui

Behaviour of an unsaturated soil column under loading and watering
F. Salehnia & B. Gatmiri

Comparison of the nonlinear elastic and elastoplastic models in THM response of unsaturated soils
F. Salehnia & B. Gatmiri

Explicit stress integration with reduced drift for Barcelona Basic Model
W.T. Sołowski, D. Sheng & S.W. Sloan

Active earth force in ‘cohesionless’ unsaturated soils using bound theorems of plasticity 
S.A. Stanier & A. Tarantino

Implicit integration of a constitutive model for partly saturated structured porous materials 
R. Tamagnini, M. Mavroulidou & M.J. Gunn

Numerical simulation of an unsaturated slope failure during an earthquake 
R. Uzuoka, K. Maruyama, T. Mori, M. Kazama, T. Unno & N. Sento

Engineering applications and case histories

Soil-atmosphere interaction

Influences of the soil-atmosphere interface interactions on the soil water content and temperature profiles
K.V. Bicalho, G.P.D. Vivacqua & Y.-J. Cui

An experimental root barrier to protect the foundations of a building from the desiccating effects of tree roots
G.E. Blight

Soil heat and evaporation from soil
G.E. Blight

A prototype soil column to calibrate numerical models accounting for soil—atmosphere interaction
M. Caruso & C. Jommi

Use of satellite observations for estimating the degree of saturation of superficial soils 
L. Montrasio, R. Valentino & C. Quintavalla
 
Study of stratification resistant to salt damage 
S. Nomura, K. Kawai, S. Kanazawa, A. Iizuka, S. Ohno, P. Thirapong & S. Tachibana

An environmental chamber for studying the soil-atmosphere interaction 
A.-N. Ta, A.-M. Tang, Y.-J. Cui & J. Thiriat

Foundations

Settlement prediction of cyclically loaded footings resting on partially saturated sand by means of a kinematic hardening model
A. Becker

Performance and design of foundations on unsaturated expansive soil
J.T. Bryant & M.A. Haque

Identification, characterization and analysis of deep foundation in collapsible soil—Regional Prison of Eunápolis, Bahia/Brazil
R.Q. Coutinho, B.P.F. Castro & K.C.A. Dourado

Pile horizontal bearing capacity in tropical soil under distinct moisture contents
M.A. de Almeida, M.G. Miguel & S.H.C. Teixeira

The effect of ripping clay soil on swell behaviour
S. Fityus, O. Buzzi, M. Holt & T. Gunther

Comparison of bearing capacity of unsaturated sand using Cone Penetration Tests (CPT) and Plate Load Tests (PLT) 
F.M.O. Mohamed, S.K. Vanapalli & M. Saatcioglu

Water content profiles for design of foundations on expansive soils
D.D. Overton, K.C. Chao & J.D. Nelson

Bearing capacity of a strip footing on an unsaturated sand 
T. Schanz, Y. Lins & S.K. Vanapalli

A simple technique for estimating the 1-D heave in expansive soils
S.K. Vanapalli, L. Lu & W.T. Oh

A technique for estimating the shaft resistance of test piles in unsaturated soils
S.K. Vanapalli, K.D. Eigenbrod, Z.N. Taylan, C. Catana, W.T. Oh & E. Garven

Bearing capacity of an unsaturated sand from model footing tests 
S.K. Vanapalli, R. Sun & X. Li

Interpretation of the bearing capacity of unsaturated soils extending the effective and the total stress approaches 
S.K. Vanapalli & W.T. Oh

Three dimensional numerical simulation of a residential building on expansive soil subject to a leaking underground 
X. Zhang

Slopes

Stochastic modelling of unsaturated slope stability 
P. Arnold & M.A. Hicks

Influence of seasonable water pressure variations on unsaturated slopes stability
F.A.J. Franch & M.M. Futai

Shear and soil-water retention behaviour of a variably saturated residual soil and its implication on slope stability
A. Jotisankasa & J. Tapparnich
 
Back-analysis of infiltration characteristic of a saprolitic hillslope by considering permeability heterogeneity
A.K. Leung & C.W.W. Ng

The significance of curved shear strength envelope in modelling rainfall induced shallow failure of slopes
M.J. Md Noor & B.A. Hadi

The influence on the slope stability of the initial degree of saturation of a fill ground
T. Mori, R. Uzuoka & M. Kazama

Test site experience on mechanisms triggering mudflows in unsaturated pyroclastic soils in southern Italy
M. Pirone, R. Papa & M.V. Nicotera

Performance of an instrumented slope under a capillary barrier system
H. Rahardjo, C.J. Hua, E.C. Leong & V.A. Santoso

Matric suction in unsaturated pyroclastic slopes
A. Scotto di Santolo & A. Evangelista

Analysis of influencing factors in strengthening expansive soil slope with the coverage of geo-membrane 
J.P. Yuan, J.H. Wu & Z.Z. Yin

Embankments

Investigation of the water flow in an embankment built of organic soil: Experimental results and large scale field test 
E. Birle, M. Boso & D. Heyer

Suction changes during the construction of an embankment from A10 Motorway in Portugal
R. Cardoso, E. Maranha das Neves & P. Almeida Santos

Influences of spatially varying porosity on unsaturated flow through earth structures
T.M.H. Le, D. Gallipoli, S. Wheeler & M. Sánchez

Improvement and controlling deformation of the expansive soil ground
L. Miao, F. Wang & Y. Cui

Failure of peat dykes by drought
D. Nterekas, J.P. Oostveen, F.A.J.M. Mathijssen, R.B.J. Brinkgreve, M.A. Hicks & F. Molenkamp

Numerical analysis of the behaviour of embankments constructed with expansive soils
J.I. Ortega, A. Lloret, S. Olivella & E. Romero

Banking simulation with a constitutive model for unsaturated soil 
M. Tanaka, K. Kawai, S. Kanazawa, A. Iizuka, S. Tachibana, S. Ohno & T. Takeyama

Pavements

Water migration in pavement subgrade
E.J. Nelson & D.D. Overton

Geoenvironmental applications

Gas migration in sand/bentonite mixtures through preferential paths 
D. Arnedo, E.E. Alonso, S. Olivella & E. Romero

Geotechnical issues in the design and construction of PMOBs 
A.R. Cabral, M. Létourneau, J.S. McCartney, J. Parks, E. Yanful & Q. Song

Coupled solute mass transport and evaporation in saline soil 
A.S. Dunmola & P.H. Simms
 
Non-isothermal infiltration in plastic bentonite
B. François & L. Laloui

Numerical modelling of the resaturation of swelling clay with gas injection
P. Gerard, J.-P. Radu, J. Talandier, R. de La Vaissière, R. Charlier & F. Collin

THMC analysis of saturation and heating processes of an expansive clay barrier in radioactive waste isolation 
L. do N. Guimarães, A. Gens, M. Sánchez & S. Olivella

Laboratory studies of the addition of bentonite to landfill cover soil
R.L.S. Izzo, C.F. Mahler & K. Huse

Thermal-hydro-mechanical behavior of unsaturated bentonite blocks: Experimental approaches
J.O. Lee, W.J. Cho, S.K. Kwon & J.W. Choi

Water infiltration and methane emission through three different cover layers of an experimental Municipal Waste Landfill at Muribeca, Recife, Pernambuco,

Brazil
R.L. Lopes, M.C.M. Alves & J.F.T. Jucá

Evaluation of landfill gas emission in experimental cover layers in Brazil
F.J. Maciel, R.L. Lopes & J.F.T. Jucá

Behaviour of wet fill using residual soil
F.A.M. Marinho & F. Massad

Unsaturated behaviour of mine tailings in low precipitation areas
L.A. Oldecop, L. Garino, J.J. Muñoz, R. Rodriguez & C. García

Evaluation of a capillary barrier at the Rocky Mountain Arsenal 
L.O. Williams, D.L. Hoyt, G.A. Hargreaves, S.F. Dwyer & J.G. Zornberg

Numerical study on rainfall infiltration into landfill earthen final cover 
T.L.T. Zhan, G.W. Jia, Y.M. Chen & D.G. Fredlund

New areas

LNAPL retention in partially saturated silty sand
M. Alferi, E. Romero, A. Dominijanni & M. Manassero

Water retention curve for evolving marl under suction cycles 
R. Cardoso, G. Della Vecchia, C. Jommi & E. Romero

Effects of crude oil pollution on the shear strength behaviour of an unsaturated porous soil medium 
M. Mohammadi, S.S. Yasrebi & A. Mirzaii

Effects of hydraulic cycling on the stiffness response of a rigid clay 
J.A. Pineda, G. Mitaritonna, E. Romero & M. Arroyo

Effect of drying and wetting cycles on the shear strength of argillaceous rocks 
R.D. Tovar & J.E. Colmenares

Pore geometry induced suction and the slaking of shales 
L.E. Vallejo & A. Stewart-Murphy

Influence of suction on the mechanical behaviour of rock joints under shear loading
M.T. Zandarin, E. Alonso & S. Olivella

Biography

Eduardo Alonso & Antonio Gens