Unsaturated Soil Mechanics - from Theory to Practice : Proceedings of the 6th Asia Pacific Conference on Unsaturated Soils (Guilin, China, 23-26 October 2015) book cover
1st Edition

Unsaturated Soil Mechanics - from Theory to Practice
Proceedings of the 6th Asia Pacific Conference on Unsaturated Soils (Guilin, China, 23-26 October 2015)

ISBN 9781138029217
Published October 14, 2015 by CRC Press
924 Pages

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Book Description

In the past decades advances have been made in the research and practice on unsaturated soil mechanics. In 2000 the first Asia-Pacific Conferences on Unsaturated Soils was organized in Singapore. Since then, four conferences have been held under the continued support of the Technical Committee on Unsaturated Soils (TC106) of the International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE). The conferences provided an excellent forum for researchers and practitioners in the region and beyond to present the latest developments and to exchange ideas on the subjects related to unsaturated soils.

Unsaturated Soil Mechanics - from Theory to Practice collects more than 140 technical papers, and 10 invited and keynote lectures presented at the sixth Asia-Pacific Conference on Unsaturated Soils (Guilin, China, 23-26 October 2015). The first Asia-Pacific distinguished lecture, launched at the conference, is also included. The contributions address the fundamental behavior of unsaturated soils, and present theoretical and numerical modeling and engineering applications. The topics of concern span the full spectrum from theory to practice, with strong relevance to the problems in the region and beyond such as collapse/swelling, freezing/thawing, desiccation shrinkage, rainfall-induced slope failure, contaminant transport, shale gas extraction and so on, largely representing the latest developments in unsaturated soil mechanics.

Table of Contents

Invited and Keynote papers
Relationship between the laboratory SWCCs and field stress state
D.G. Fredlund
Tensiometer techniques for determining soil water retention curves
D.G. Toll, J.D. Asquith, A. Fraser, A.A. Hassan, G. Liu, S.D.N. Lourenço,
J. Mendes, T. Noguchi, P. Osinski & R. Stirling

Capillary barrier as a slope protection
H. Rahardjo
Evolution of mesoscale structures of unsaturated expansive soil and intact loess under various
stress and hydraulic paths
Z.H. Chen, Z.H. Yao, J.F. Guo & Q.Q. Miao
Slope stability analysis methods and application to 1 g failure model tests
Y. Kohgo
Investigation of mechanical and physio-chemical coupling through swelling pressure
Y.J. Cui
Testing of the hydro-mechanical behaviour of shales
L. Laloui, A. Ferrari &V. Favero
Desiccation crack depth and tensile strength in compacted soil
G.A. Miller, A. Hassanikhah & M. Varsei
Monotonic and cyclic shear stiffness of unsaturated soil at different temperatures
C.W.W. Ng, C. Zhou & J. Xu
Moisture and gas flow properties of compacted loess final covers for MSW landfills in Northwest China
L.T. Zhan
Experimental study on characteristics of the collapsibility of Ili loess
A.J. Zhang, Y.C. Xing, X.L. Hu, M.X. Guo & B. Zhang
Unsaturated soil behaviour
Analysis on microstructure and water retention properties of lime-treated soil
Y.J.Wang, Y.J. Cui, A.M. Tang, C.S. Tang & N. Benahmed
The microstructure information of natural loess in different areas, China
H.J. Hu, K. Zhou, Y.S. Luo,W.P. Zhao, Q. Hu & Z.Y. Zhang
Understanding the collapsible behavior of loess from microstructure information
P. Li, S.K. Vanapalli &T.L. Li
Microstructure change of loess soil during wet collapsing
X.X. Shao, H.Y. Zhang & J.W. Liu
Research on evolution of meso-structure of Q2 loess during plastic and brittle
failure in triaxial tests
X.W. Fang, C.N. Shen, Z.H. Chen & J. Li
Research on wetting-induced microstructure change of Q2 loess
C.H. Li, X.W. Fang, C.N. Shen &Y.X. Ou
Structural damage properties of loess under loading and moistening
S. Shao, S.J. Shao &A.Z. Luo
The microstructure and soil-water characteristic of unsaturated loess
D.R. Hao, H.J. Liao, C.M. Ning & X.P. Shan
Hydraulic behaviors of unsaturated expansive soils
L.C. Miao, Y. Cui & H. Zeng
Discussion on cushion material strength after freezing-thawing cycle based on pore
size distribution model
J.P. Yuan, Q.L.Wang, C.L. Han & K.B. Li
Nuclear Magnetic Resonance assay of carbon dioxide hydrate in silt
H.H. Tian, C.F.Wei, X.L. Xia & H.Wang
Evolution of soil water in silt soils based on NMR technique
P. Chen, C.F.Wei, J. Liu &W.J. Xue
Point of Zero Charge of two highly plastic expansive soils
B. Lin &A.B. Cerato
Stress-strain and strength characteristics
Influence of unsaturated state variables on small strain elastic behaviour
A.M. Hasan & S.J. Wheeler
Some remarks on the mechanical yielding of unsaturated soils
M. Lloret-Cabot, J.A. Pineda, D. Sheng & M.P. Cordão Neto
Deformation and yielding for intact Q3 loess under various stress paths
D.F. Zhang, C.L. Chen, D.B. Yu, Y.T. Shu & P. Gao
An experimental method to study the drying-wetting behaviour of a sand
M. Milatz
Characterizing soil mechanical response induced by drought climate using
a novel micropenetrometer
D.Y.Wang, C.S. Tang, S.K. Xu, K.Q. Sun, P.Wang & B. Shi
Investigating the volume change characteristics of bentonite/sand mixture
under hydro-mechanical coupling condition
Z.G. Chen, C.S. Tang, D.Y.Wang, P.Wang, K.Q. Sun & B. Shi
Deformation characteristics and permeability of saturated bentonite-sand mixtures
W.J. Sun, Z.F.Wei, S.Q. Liu, C. Chen, L. Zhang & D.A. Sun
Investigation on swelling-shrinkage behavior of compacted expansive soils during
wetting-drying cycles
N.F. Zhao,W.M. Ye, B. Chen &Y.G. Chen
Cracks’ evolution characteristics of remolded expansive soils in the soaking
and loading process
Z.H. Yao, Z.H. Chen,W. Li, L.H. Su, Q.Q. Miao & J.H. Zhang
Resilient modulus – soil suction correlations for two subgrade soils from China
Z. Han & S.K. Vanapalli
Wetting collapse at high degree of saturation during shearing for unsaturated sand
B.J. Shwan
Development of a new cyclic simple shear apparatus and test verification on loess
S.J. Shao, Q.Wang & S. Shao
Consolidation behavior of unsaturated Chuanxi compacted soil with soil suction
control oedometer
D. Lu &W. Li
Experimental study of mechanical behavior of unsaturated silty clay in different
loading sequences under constant water content condition
A.M. Rasool, K. Jiro & T. Shinya
Change in shear behavior of unsaturated volcanic coarse-grained soil due to fine
particles run off
X.Y. Zheng, T. Ishikawa &T. Tokoro
Effect of fine grain contents on the unsaturated mechanical characteristics of
embankment materials
B.S. Kim, Y. Takeshita, S. Kato & S.W. Park
Research on physical and mechanical properties of Xinjiang Daxigou loess
Z.Q. Hu, S. Lin, Z.J. Li & H.R. Li
Study on dynamic modulus and deformation characteristics of loess under
bidirectional cyclic loads
X.D. Zhang, Y.S. Luo, P.C.Wang & L.X. Hu
Shear strength of a swelled soil examining influence of swelling boundary conditions
B.F. Lim & G.A. Siemens
Strength behaviors of the unsaturated silty clay based on ring shear test
W.J. Xue, P. Chen & C.F.Wei
Influence of matric suction on shear strength behavior of remolded unsaturated
basalt residual soil
J. Chen, X.W. Lei, F.Z. Cheng & Q.S. Meng
Study on shear strength characteristics of the remolded laterite soil in Guilin
X.J. Chen, X. Huang, G.Y. Xiao, H.B. Chen &Y.L. Qi
Experimental analysis on tensile strength of unsaturated sandy clay under
different initial densities and water contents
R.J. Che, G.Q. Cai & C.G. Zhao
Water retention and hydraulic behavior
A non-linear hysteresis model for soil-water retention behaviour
A.N. Zhou
Common mistakes in determination of air entry value from gravimetric water
content based Soil-Water Characteristic Curve
A.Y. Pasha, A. Khoshghalb & N. Khalili
Non-isothermal water retention curve and volume change equation for unsaturated soils
A.N. Zhou, J. Li & D. Sheng
A simplified method to estimate the Soil-Water Characteristic Curve
Y.T. Fan & E.C. Leong
Effect of specimen preparation on water retention and deformation behaviour
of unsaturated soils
D.A. Sun, Y. Gao &A.N. Zhou
A research of affect factor on hysteresis behavior for Soil-Water Characteristic Curve
J. Li & F.Y. Liu
Soil water retention of a compacted sandy clay with sub-critical water repellency
S.D.N. Lourenço, N. Jones, C.P. Morley, S.H. Doerr & R. Bryant
Measurement of Soil-Water Characteristic Curve of expansive soil using
filter paper method
H. Li, L.C. Li & Z.Q. Huang
Drying-wetting Soil-Water Characteristic Curves of highly expansive soil
A.M. Al-Mahbashi, T.Y. Elkady & M.A. Alshamrani
Measurement of Soil-Water Characteristic Curve with a continuous pressurization method
S. Kato, M. Hatakeyama, H. Abe, B.S. Kim &Y. Takeshita
Hydraulic properties for soils that undergo volume change as soil suction is increased
F. Zhang, D.G. Fredlund & G.W.Wilson
Role of unsaturated permeability function in seepage analyses
A. Rahimi, H. Rahardjo & E.C. Leong
Effects of variability of unsaturated hydraulic properties on stability of residual soil slopes
Q. Zhai, H. Rahardjo &A. Satyanaga
Measurement of hydraulic properties of unsaturated permeable polyurethane
bound asphalt materials
L. Renken, M. Oeser, M. Milatz & J. Grabe
Hydro-mechanical behaviour of shot-clay bentonite
A. Ferrari, A. Seiphoori & L. Laloui
Effect of heating to Soil-Water Characteristic Curve of compacted bentonite
T. Nishimura
Development of test-bed and model test for one-dimensional heat and
moisture transfer in soils
Z.T. Zeng, Y.L. Zhao, H.B. Lu, C.F.Wei &Y. Zhang
Thermal conductivity of unsaturated mixtures of loess soil with granulated rubber
Z.H. Li, H.Y. Zhang &Y.M. Sheng
Laboratory study on drainage-seepage controlling of fine/coarse structure in
unsaturated expansive soil slope
Q.H.Wu, J.F. Zhang, G.S. Zhu, H.D. Cui & X.Y. Liu
Water retention properties of unsaturated coarse-grained soils: The experimental
study of the effect of Microbialy Induced Calcite Precipitation
R. Saffari, G. Habibagahi, E. Nikooee &A. Niazi
Effect of grain size on soil moisture evaporation process
S.K. Xu, C.S. Tang, K.Q. Sun & P.Wang
Osmotic suction of two highly plastic expansive soils
B. Lin &A.B. Cerato
Fundamentals and constitutive modelling
Rate effects in inter-granular capillary bridges
Y. Zhang, D. Hanaor &Y.X. Gan
Interaction force between pore water and soil skeleton
L.T. Shao & X.X. Guo
Development of a hydro-thermal coupled model for unsaturated soils
N. An, S. Hemmati, Y.J. Cui &A.M. Tang
Nonlinear analysis of stress-strain relations of unsaturated soils
J.H. Zhang, Z.H. Chen, D. Chen, Q.Q. Miao & Z.H. Yao
Problems associated with determination of yield curves for unsaturated soils
X. Zhang
Structural and mechanical behavior of expansive soil with pore damage
M.S. Cheng, S.J.Wang, Y.Q. Zhang, S.H. Jiang & Z.H. Chen
Prediction of 1-D heave of a natural expansive soil slope of Zao-yang in China
using the SWCC-based and water content-based models
H.Y. Tu & S.K. Vanapalli
Potential of surfactants for clay improvement
N. Jones, S.D.N. Lourenço & A. Paul
Cam-clay model applicable to unsaturated clayey sand
Q.Q. Miao, Z.H. Chen, Q.Q. Zhu, Z.H. Yao & J.H. Zhang
Analysis, improvement and evaluation of the generalized Soil-Water Characteristic Curve
Z.H. Chen & J.H. Zhang
A fractal-based Soil-Water Characteristic Curve model for deformable soils
A. Khoshghalb, A.Y. Pasha & N. Khalili
The formulation of the water retention curve with deformation and hysteresis
Q.D. Huang, C.G. Zhao & G.Q. Cai
Validity of the bimodal equations for fitting the Soil-Water Characteristic Curve
behavior of cracked expansive soils
X.Wang & S.K. Vanapalli
A model for thermal influence on water retention curve in high suction range
B. Qin, Y. Lu, F.Z. Zhang & Z.H. Chen
Evaluation of Soil-Water Characteristic Curves of sand-cement mixtures
A.O. Al Shenawy, S.H. Al-hadama &T.Y. Elkady
Study on the absorbed suction of unsaturated soil based on the Horsfield
close packing model
L.S. Tang, Y.L. Sun, Z.W. Deng & H.T. Sang
Effective stress for volume change of unsaturated soils
Y.F. Xu, Z.R. Cao, H.G. Zhu & F.F. Chu
Failure of divide-and-conquer approach in the characterization of unsaturated soils
X. Zhang
Reanalysis on shear strength of unsaturated soils
L.T. Shao, G.F. Zheng & X.X. Guo
Influence of sodium chloride on evaporation and cracking of earthen heritages
Y. Zhang,W.M. Ye, B. Chen &Y.G. Chen
Prediction of swelling by effective stress of bentonite in salt solution
G.S. Xiang, Y.F. Xu, T. Chen & H. Jiang
An elastoplastic constitutive model for chalk with considering chalk-fluid
physicochemical interaction
T.T. Ma, C.F.Wei & X.L. Xia
An elastoplastic constitutive model for gas hydrate-bearing soils with
hydrate dissociation
R.T. Yan & C.F.Wei
An intelligent back analysis optimization method of constitutive parameters
for surrounding rock
Y. Zhang, B.C. Liu, Y.N. Hou & Z.T. Zeng
Predicting liquefaction of unsaturated sands using a coupled hydro-mechanical
elastoplastic constitutive model
B. Zhang, K.K. Muraleetharan & C. Liu
Numerical modelling
Numerical modelling of swelling/shrinkage behaviour of unsaturated soils for
buried pipe stress analysis
D.Weerasinghe, J. Kodikara & H. Bui
Numerical study on expansive soil slope stability considering the cracks and
coupling effects
S.C. Qi & S.K. Vanapalli
A numerical model for heat and moisture migration in unsaturated freezing soil
J. Teng, D. Sheng, S. Liang & S. Zhang
Effective stress based numerical modelling of shallow foundations on unsaturated soil
Y. Tang & H.A. Taiebat
Development of a fully coupled thermo-hydro-chemical simulator for gas
hydrate extraction
W.T. Li, C.F.Wei & T.T. Ma
Three-dimensional DEM simulation of constant-water-content triaxial tests
on the unsaturated remolded loess
T. Li & M.J. Jiang
Simulation of particle crushing using Discrete-Element Method (DEM)
Y. Xi &Y.F. Xu
A new numerical method for one-dimensional compression test of crushable
particles based on DEM
Y.D.Wang & Y. Xi
Sensitive THM coupled analysis of buffer-rock barriers for nuclear waste storage
Y.F. Qiao, A. Ferrari, L. Laloui &W.Q. Ding
Engineering applications and case histories
Field testing
Monitoring of a suburban environment: Soil-plant-atmosphere and clay movements
D.A. Cameron, S.J. Vorwerk & G. Keppel
Field monitoring of suction distribution in Coarse-Grained and Fine-Grained residual soil
N. Gofar, H. Rahardjo & M.L. Lee
Determining volume of failed soil mass in a landslide from satellite images
B.J.M. Lim, E.C. Leong & K.S. Low
Field monitoring to study the effect of rainfall on tree stability
N. Amalia, H. Rahardjo, T.T. Lee, E.C. Leong &Y.K. Fong
The impacts of climate change on expansive soil movements in Australia
X. Sun, J. Li, A.N. Zhou & G. Ren
A study on the feasibility of using centrifugal model test to simulate in-situ
soaking test on loess
S.L. Jin, Y.C. Xing,W.Q. Zhao, A.J. Zhang & P. An
Model test on lateral earth pressure of highly expansive soil
S.A. Khattab, M.K. Al-Shamam & K.A. Al-Juari
Experimental study on the saturation changes of dredged fills during vertical
vacuum preloading
J.J. Ma, J.Wang, P.Wang, Y.Q. Cai & H.T. Fu
Stress evolution in THMC GMZ-bentonite China-Mock-up for geological disposal
of high level radioactive waste in China
Y.M. Liu, S.F. Cao, J.Wang, J.L. Xie, L.K. Ma, X.G. Zhao & L. Chen
Selection and analysis of enclosure structure of deep foundation pit in Lanzhou metro
N. Guo, Z.H. Chen & X.H. Yang
Design and installation of comprehensive instrumentation system of high-fill
foundation in mountainous airport
Y.P. Zhu, X.H. Yang, Z.B. Shi,W.X. Cai & H.J. Jiang
Engineering applications
Comparisons between the measured and predicted resilient modulus of subgrade Red
clay using a SWCC based model
W.L. Zou, J.F. Zhang, Y.L. Li, S.K. Vanapalli, H.Y. Tu & J. Zhang
Application of MPK framework to interpret volume change behavior of compacted
unsaturated soils
A. Abeyrathne, T. Islam, J. Kodikara & H. Bui
Behaviour of pipes subjected to fault movements in unsaturated soils using spring analysis
D.J. Robert & K. Soga
Engineering characteristics of granite residual soils of landslide inWuzhou,
Guangxi, China
Z.B.Wang, K. Li, C.F.Wei & Z.Q. Xu
Cavity expansion in unsaturated silty sand exhibiting hydraulic hysteresis for
three drainage conditions
H. Yang & A.R. Russell
Translational slip failures on slope incorporating unsaturated soil mechanics
W. Huang, E.C. Leong & H. Rahardjo
Investigation on the failure mechanisms of unsaturated high loess slope triggered
by irrigation
X.T. Zhang, T.L. Li &W.H. Liu
Estimation of soil shrinkage curve
M.Wijaya & E.C. Leong
Effect of infiltration characteristics of soil on tree stability
A. Rahimi, H. Rahardjo, E.C. Leong, T.T. Lee, A.W.K. Law &Y.K. Fong
An analysis of plain strain deformation and strength characteristics of loess with
vertical structure
Y. Zhang, S.J. Shao & L.J.Wang
Engineering properties of lead contaminated expansive soil
X.Q. Zhang, F.S. Zha, J.J. Liu & K.R. Cui
Feasibility investigation of a local weathered soil as final cover material for a landfill
in south China
J. Liu, R. Chen, T.L.T. Zhan, Z.Q. Li & C.W.W. Ng
Modelling of transport and erosion of bentonite in the fracture
T. Chen &Y.F. Xu
Water-rock interaction for marly rocks of Badong group in the Three
Gorges Reservoir Area
X.J. Chen, L.L. Xia, Z.Y. Zhao, Y. Song, B. Chai, J. Tong & B. Jiang
Feasibility analysis of electromagnetic field in geotechnical engineering research
B.X. Shi, S.S. Chen, G.R. Zhang & C. Zhou
Improvement of soil stability along rail corridors through native vegetation
M. Pallewattha, B. Indraratna & C. Rujikiatkamjorn
Mechanism of new anchored reinforced vegetation system for strengthening
swelling rock and soil slope
Y. Xu, S. Xian & S. Pei
Research on the electrical resistivity of early solidified soil composing of dredged clays
F.Z. Cheng, X.W. Lei, Y.S. Liao, Q.S. Meng & J. Chen
The hydrological mechanism of a residual soil slope underwent deformations
during rainfall
C.C. Fan & S.H. Liu
Comparative analysis on flexible supporting technology of different types of
expansive soil cutting slope in the south and the north of China
H.P. Yang, J.S. Lin & J. Xiao
Effect of sodium chloride solution on adsorbed water content of clays
X.L. Xia, C.F.Wei, T.T. Ma & H.H. Tian
Swelling of GMZ bentonite with saline solutions and its prediction
L. Zhang, D.A. Sun &Y.M. Liu
Geo-Barrier System as a retaining structure
H. Rahardjo, Q. Zhai, A. Satyanaga, E.C. Leong, C.L.Wang & L.H.Wong
Numerical stimulation of geogrid reinforced flexible supporting treating
expansive soil cut slope
J. Xiao, H.P. Yang & S.Y. Zhu
The effect of traffic loading to buried water mains in partially saturated soils
C. Randeniya, D.J. Robert & C.Q. Li
Effect of water content on long-term cyclic behaviour of railway track-bed materials
F. Lamas-Lopez, Y.J. Cui, J.C. Dupla, A.M. Tang, J. Canou, N. Calon & S. Costa D’Aguiar
Analogy study on surface deterioration of earthen monuments
Y. Chen, J.F.Wang, H.Y. Zhang &Y.X. Gai
Analysis of the failure of a polluted red clay foundation in the north Guilin karst area
C.M. Mu, K.L. Han &Y. Liu

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