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

Unsaturated Soil Mechanics - from Theory to Practice

Proceedings of the 6th Asia Pacific Conference on Unsaturated Soils (Guilin, China, 23-26 October 2015), 1st Edition

Edited by Zhenghan Chen, Changfu Wei, De´an Sun, Xongfu Xu

CRC Press

906 pages

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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

Subject Categories

BISAC Subject Codes/Headings:
SCIENCE / Environmental Science
SCIENCE / Earth Sciences / Meteorology & Climatology