Unsaturated Soils, Two Volume Set  book cover
1st Edition

Unsaturated Soils, Two Volume Set

ISBN 9780415604284
Published August 26, 2010 by CRC Press
1532 Pages

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Book Description

In recent decades the development of unsaturated soil mechanics has been remarkable, resulting in momentous advances in fundamental knowledge, testing techniques, computational procedures, prediction methodologies and geotechnical practice. The advances have spanned the full spectrum of theory and practice. In addition, unsaturated materials exhibiting complex behaviour such as residual soils, swelling soils, compacted soils, collapsing soils, tropical soils and solid wastes have been integrated in a common understanding of shared behaviour features. It is also noteworthy that unsaturated soil mechanics has proved surprisingly fruitful in expanding to other neighbouring areas such as swelling rocks, rockfill mechanics, and freezing soils. As a consequence, geotechnical engineering involving unsaturated soils can be now approached from a more rational and systematic perspective leading towards an improved and more effective practice.

Unsaturated Soils contains the papers presented at the 5th International Conference on Unsaturated Soil (Barcelona, Spain, 6-8 September 2010). They report significant advances in the areas of unsaturated soil behaviour, testing techniques, constitutive and numerical modelling and applications. The areas of application include soil-atmosphere interaction, foundations, slopes, embankments, pavements, geoenviromental problems and emerging topics. They are complemented by three keynote lectures and three general reports covering general issues of modelling, testing and applications.

Unsaturated Soils is a comprehensive record of the state-of-the art in unsaturated soil mechanics and a sound basis for further progress in the future. The two volumes will serve as an essential reference for academics, researchers and practitioners interested in unsaturated soils.

Table of Contents


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


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


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


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


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


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


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,

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 
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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


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