Experimental
Advances in Testing Techniques
A Double Cell Triaxial System for Unsaturated Soils Testing ..... 5
Joao Mendes, David G. Toll, Fred Evans
Performances of Two High Capacity Tensiometers ................. 11
Claudio Mancuso, Marco V. Nicotera, Raffaele Papa
A Local Monitoring of Water Content in Unsaturated Soil
Triaxial Testing ............................................... 19
José Munoz-Castelblanco, Pierre Delage, Jean-Michel
Pereira, Yu-Jun Cui
Effect of Intermediate Stress on Collapse Behaviour of
a Compacted Clayey Silt ........................................ 25
Octavio E. Cárdenas, Enrique Romero, Antonio Lloret, Josep
Suriol
Unsaturated Soil Response under Plane Strain Conditions
Using a Servo/Suction-Controlled Biaxial Apparatus ............. 31
Jose A. Cruz, Laureano R. Hoyos, Arcesio Lizcano
Behaviour of Compacted Clayey Silty Sand under Suction-
Controlled Ring Shear Testing .................................. 39
Laureano R. Hoyos, Claudia L. Velosa, Anand J. Puppala
Estimating the Retention Curve of a Compacted Soil through
Different Testing and Interpretation Methods ................... 47
Osvaldo Bottiglieri, Francesco Cafaro, Federica Cotecchia
Constructing Fast, Accurate Soil Water Characteristic Curves
by Combining the Wind/Schindler and Vapor Pressure
Techniques ..................................................... 55
Colin S. Campbell, Douglas R. Cobos, Leonardo D. Rivera,
Kelsey M. Dunne, Gaylon S. Campbell
Enhancement of a Commercial Pressure Plate Apparatus for Soil
Water Retention Curves ......................................... 63
Marco Caruso, Cristina Jommi
Characterizing Liquid Phase Fabric of Unsaturated Specimens
from X-Ray Computed Tomography Images .......................... 71
Kalehiwot N. Manahiloh, Balasingam Muhunthan
Water Retention Behaviour Explored by X-Ray CT Analysis ........ 81
Ismael Riedel, Edward Andò, Simon Salager, Pierre
Bésuelle, Gioacchino Viggiani
Detection of Fissures in Desiccated Soils Using Spectral
Analysis of Rayleigh Waves ..................................... 89
Bernardo Caicedo, Julian Tristancho, Luc Thorel
Field Scale Water Content Measurement by TDR Technique ......... 97
Armando Carravetta, Nicola De Paolis, Riccardo Martino
Use of TDR Probes to Measure Water Content in Pumiceous
Soils ......................................................... 107
Raffaele Papa, Marco V. Nicotera
Observations from Borehole Shear Testing in Unsaturated
Soil .......................................................... 113
Gerald A. Miller, Charbel N. Khoury
Microstructure and Hydraulic Behaviour
Microstructure Characteristics of Unsaturated Compacted
Scaly Clay .................................................... 123
Camillo Airò Farulla, Marco Rosone
Soil Fabric of Compacted and Natural Swelling Soils Studied
by Mercury Intrusion Porosimetry .............................. 131
Hossein Nowamooz, Farimah Masrouri
Porosity Changes due to Hydration of Compacted Bentonite ...... 137
María V. Villar, Roberto Gómez-Espina, Rocío Campos,
Icíar Barrios, Luis Gutiérrez
Effect of Initial Water Content and Dry Density on the Pore
Structure and the Soil-Water Retention Curve of Compacted
Clay .......................................................... 145
Emanuel Birle
Water Retention Properties of a Compacted Clayey Silt
Including Void Ratio Dependency and Microstructural
Features ...................................................... 153
Rodrigo Gómez, Enrique Romero, Gabriele Delia Vecchia,
Cristina Jommi, Josep Suriol, Antonio Lloret
Effect of Density in the Water Retention Curve of
a Compacted Silt-Bentonite Mixture ............................ 159
Emad Jahangir, Hossein Nowamooz, Farimah Masrouri
Effect of Vertical Stress on the Soil Water Characteristic
Curve of Highly Expansive Soils ............................... 165
Tamer Y. Elkady, Ahmed M. Al-Mahbashi
Role of the Soil Mineralogy on the Temperature Dependence of
the Water Retention Curve ..................................... 173
Bertrand François, Sana Ettahiri
Water Retention Properties of Two Deep Belgian Clay
Formations .................................................... 179
Analice Lima, Enrique Romero, Yessenia Piña, Antonio
Gens, Xiangling Li
Effect of Suction Changes on the Microstructure of Compacted
Crushed Argillites under Constant-Volume Conditions ........... 185
Qiong Wang, Chaosheng Tang, Anh-Minh Tang, Yu-Jun Cui
Water Retention Properties and Microstructure of Compacted
Expanded Perlite .............................................. 191
Marco Caruso, Donatella Sterpi
Water Retention Characteristics of Non-plastic Granular
Materials ..................................................... 197
Gilbert J. Kasangaki, Gabriela M. Medero, Jin Y. Ooi
Experimental Investigation of Hydraulic Conductivity in
Unsaturated Compressible Soils ................................ 205
Ali Mirzaii, Seyyed Shahaboddin Yasrobi, Nasser Khalili
Examination of Unsaturated Conductivity Curves Using
Transparent Soil .............................................. 213
Greg Siemens, Andy Take, Stephen Peters
Stress-Strain and Strength Characteristics
SWRC Modelling Framework for Evaluating Volume Change
Behavior of Expansive Soils ................................... 221
Aravind Pedarla, Anand J. Puppala, Laureano R. Hoyos,
Sai K. Vanapalli, Claudia Zapata
Wetting Characteristics of Compacted Bentonites at Large
Applied Suctions .............................................. 229
Claire L. Bennett, Snehasis Tripathy, Hywel R. Thomas
Measurement of Swelling Pressure for Bentonite under
Relative Humidity Control ..................................... 235
Tomoyoshi Nishimura, Junich Koseki, Masafumi Matsumoto
Swelling of Highly Compacted Bentonite-Sand Mixtures Used as
Sealing Materials in Radioactive Waste Disposal ............... 241
Simona Saba, Anh-Minh Tang, Yu-Jun Cui, Jean-Dominique
Barnichon
Soil-Water Characteristic Curves and Evolution
of the Tensile and Unconfined Compression Strength of Drying
Slurried Soils ................................................ 249
Michail Bardanis, Sofia Grifiza
Shear Strength of a Compacted Scaly Clay from Suction-
Controlled Triaxial Tests ..................................... 257
Camillo Airò Farulla, Marco Rosone
Yielding Behaviour of an Alluvial Compacted Soil in
Saturated and Unsaturated Conditions .......................... 265
Anastasia Capotosto, Giacomo Russo
Effect of Compaction Water Content on the Drained and
Undrained Behaviour of an Unsaturated Kaolin .................. 273
Roberto Vassallo
Shear Strength and Volume Change of Unsaturated Collapsible
Soil by CW Test ............................................... 279
Seyed Mohammad Ali Zomorodian, Ahmad Faghihi
The Effect of Relative Humidity and Temperature on the
Unconfined Compressive Strength of Rammed Earth ............... 287
Christopher Beckett, Charles Augarde
The Variation of Total Volume Change, Water Volume Change,
Yielding Net Confining Stress and Shear Strength of
Undisturbed Unsaturated Loess under Isotropic Compression ..... 293
S. Mohsen Haeri, A. Akbari Garakani
Collapse Potential and Permeability of Undisturbed and
Remolded Loessial Soil Samples ................................ 301
S. Mohsen Haeri, Atefeh Zamani, A. Akbari Garakani
Geotechnical Behaviour of Unsaturated Tropical Clay Soils of
Dhaka, Bangladesh ............................................. 309
A.T.M.S. Hossain, David G. Toll
Shrinkage Characterization of Some Italian Clay Soils ......... 317
Claudia Meisina
Classification of Shrinkage and Swelling Potential of
a Subgrade Soil in Central Thailand ........................... 325
Auckpath Sawangsuriya, Apiniti Jotisankasa, Sekchai
Anuvechsirikiat
Experimental Characterization of Shrinkage Behaviour of
Australian Expansive Soils .................................... 333
Xianfeng Liu, Olivier Buzzi
Nonisothermal Shear Strength of Compacted Silt under High
Suction Magnitudes ............................................ 339
Nahed A. Alsherif, John S. McCartney
Matric Suction and Deformation Behavior of Unbound Granular
Base (UGB) Materials under Constant and Variable Cell
Pressure ...................................................... 347
M. Ohiduzzaman, S.C.R. Lo, Ovidiu Craciun
Wave Velocity Change and Small-Strain Stiffness in
Unsaturated Soils: Experimental Investigation ................. 355
Milad Asslan, Frank Wuttke
Seismic Ground Response Analysis of Unsaturated Soil
Deposits Using Suction Dependent Shear Modulus and Damping
Ratio ......................................................... 363
Mahnoosh Biglari, Iman Ashayeri
Ageing Effects on the Stiffness Behaviour of
a Microbiologically Treated and Compacted Soil ................ 371
Laura Morales, Enrique Romero, Jubert A. Pineda, Eduardo
Garzón, Antonio Giménez
The Effect of Treatment with Fly Ash and Cement upon the
Characteristic Curve of a Collapsing Soil ..................... 377
Percy Durand, Manuel Vázquez, José L. Justo
Influence of Kaolin Mixture on Unsaturated Shear Strength of
Decomposed Granitic Silty Sand ................................ 385
Apiniti Jotisankasa, Auckpath Sawangsuriya, Patipat
Booncharoenpanich, Suttisak Soralump
Mechanical Behaviour of Unsaturated Lime-Treated Clays:
Experiments and Modelling ..................................... 391
Maria Mavroulidou, Xiwei Zhang, Roberto Tamagnini,
Michael J. Gunn, Worku Seyoum, Robert Hiley
Collapse upon Wetting of Lime Stabilised Pyroclastic Soils .... 397
Manuela Cecconi, Andrea Ferretti, Elisabetta Cattoni,
Giacomo Russo, Anastasia Capotosto
Fabric Alteration of a Compacted Lime-Treated Expansive Soil
upon Drying and Wetting ....................................... 405
Guillaume Stoltz, Olivier Cuisinier, Farimah Masrouri
On the Resaturation of Swelling Claystone ..................... 411
Mehrdokht Mohajerani, Pierre Delage, Mohammad Monfared,
Anh-Minh Tang, Jean Sulem, Behrouz Gatmiri
Effect of Loading History on Time Dependent Deformation of
Rockfill ...................................................... 419
Enrique Romero, Eduardo E. Alonso, Clara Alvarado, Felix
Wacker
Experimental Study of the Strength and Crushing of
Unsaturated Spherical Particles ............................... 425
Bernardo Caicedo, Luis E. Vallejo
Author Index .................................................. 431
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