Seepage and deformation analyses in unsaturated soils using ansys

Yangyang Li; Harianto Rahardjo; K. N. Irvine

doi:10.1007/978-3-319-97112-4_80

Seepage and deformation analyses in unsaturated soils using ansys

Yangyang Li
, Harianto Rahardjo
, K. N. Irvine

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

2 Citations (Scopus)

Abstract

Unsaturated soil mechanics has become the solution to many geotechnical challenges, including slope stability and tree stability. Compared to saturated soil, the additional cohesion from the matric suction strengthens the unsaturated soil. Slope stability problems could be analyzed using two-dimensional software such as GeoStudio by assuming soil under plane strain or plane stress condition. However, two-dimensional modelling may not be appropriate for complex analyses such as tree stability problems that involve soil-structure interaction. Such assumptions may lead to model inaccuracy since structural behaviour is three-dimensional. Unfortunately, software for three-dimensional analyses that could handle unsaturated soils is not readily available. In this study, a method for three-dimensional seepage and deformation analyses in unsaturated soils was done using ANSYS, incorporating the unsaturated soil shear strength, the permeability and the elastic modulus as functions of the net normal stress and the matric function. The results from two-dimensional GeoStudio and ANSYS analyses were compared to validate the method.

Original language	English
Title of host publication	Springer Series in Geomechanics and Geoengineering
Editors	Wei Wu, Hai-Sui Yu
Publisher	Springer-Verlag London Ltd.
Pages	360-364
Number of pages	5
ISBN (Print)	9783319971117
DOIs	https://doi.org/10.1007/978-3-319-97112-4_80
Publication status	Published - 2018
Externally published	Yes
Event	China-Europe Conference on Geotechnical Engineering 2016 - Vienna, Austria Duration: 13 Aug 2016 → 16 Aug 2016 https://www.springer.com/us/book/9783319971148

Publication series

Name	Springer Series in Geomechanics and Geoengineering
ISSN (Print)	1866-8755
ISSN (Electronic)	1866-8763

Conference

Conference	China-Europe Conference on Geotechnical Engineering 2016
Country/Territory	Austria
City	Vienna
Period	13/08/16 → 16/08/16
Internet address	https://www.springer.com/us/book/9783319971148

Keywords

Numerical modelling
Three-dimensional analyses
Unsaturated soil

Access to Document

10.1007/978-3-319-97112-4_80

Cite this

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title = "Seepage and deformation analyses in unsaturated soils using ansys",

abstract = "Unsaturated soil mechanics has become the solution to many geotechnical challenges, including slope stability and tree stability. Compared to saturated soil, the additional cohesion from the matric suction strengthens the unsaturated soil. Slope stability problems could be analyzed using two-dimensional software such as GeoStudio by assuming soil under plane strain or plane stress condition. However, two-dimensional modelling may not be appropriate for complex analyses such as tree stability problems that involve soil-structure interaction. Such assumptions may lead to model inaccuracy since structural behaviour is three-dimensional. Unfortunately, software for three-dimensional analyses that could handle unsaturated soils is not readily available. In this study, a method for three-dimensional seepage and deformation analyses in unsaturated soils was done using ANSYS, incorporating the unsaturated soil shear strength, the permeability and the elastic modulus as functions of the net normal stress and the matric function. The results from two-dimensional GeoStudio and ANSYS analyses were compared to validate the method.",

keywords = "Numerical modelling, Three-dimensional analyses, Unsaturated soil",

author = "Yangyang Li and Harianto Rahardjo and Irvine, \{K. N.\}",

note = "Publisher Copyright: {\textcopyright} 2018, Springer Nature Switzerland AG.; China-Europe Conference on Geotechnical Engineering 2016 ; Conference date: 13-08-2016 Through 16-08-2016",

year = "2018",

doi = "10.1007/978-3-319-97112-4\_80",

language = "English",

isbn = "9783319971117",

series = "Springer Series in Geomechanics and Geoengineering",

publisher = "Springer-Verlag London Ltd.",

pages = "360--364",

editor = "Wei Wu and Hai-Sui Yu",

booktitle = "Springer Series in Geomechanics and Geoengineering",

address = "Germany",

url = "https://www.springer.com/us/book/9783319971148",

}

Li, Y, Rahardjo, H & Irvine, KN 2018, Seepage and deformation analyses in unsaturated soils using ansys. in W Wu & H-S Yu (eds), Springer Series in Geomechanics and Geoengineering. Springer Series in Geomechanics and Geoengineering, Springer-Verlag London Ltd., pp. 360-364, China-Europe Conference on Geotechnical Engineering 2016, Vienna, Austria, 13/08/16. https://doi.org/10.1007/978-3-319-97112-4_80

Seepage and deformation analyses in unsaturated soils using ansys. / Li, Yangyang; Rahardjo, Harianto; Irvine, K. N.
Springer Series in Geomechanics and Geoengineering. ed. / Wei Wu; Hai-Sui Yu. Springer-Verlag London Ltd., 2018. p. 360-364 (Springer Series in Geomechanics and Geoengineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

TY - GEN

T1 - Seepage and deformation analyses in unsaturated soils using ansys

AU - Li, Yangyang

AU - Rahardjo, Harianto

AU - Irvine, K. N.

PY - 2018

Y1 - 2018

N2 - Unsaturated soil mechanics has become the solution to many geotechnical challenges, including slope stability and tree stability. Compared to saturated soil, the additional cohesion from the matric suction strengthens the unsaturated soil. Slope stability problems could be analyzed using two-dimensional software such as GeoStudio by assuming soil under plane strain or plane stress condition. However, two-dimensional modelling may not be appropriate for complex analyses such as tree stability problems that involve soil-structure interaction. Such assumptions may lead to model inaccuracy since structural behaviour is three-dimensional. Unfortunately, software for three-dimensional analyses that could handle unsaturated soils is not readily available. In this study, a method for three-dimensional seepage and deformation analyses in unsaturated soils was done using ANSYS, incorporating the unsaturated soil shear strength, the permeability and the elastic modulus as functions of the net normal stress and the matric function. The results from two-dimensional GeoStudio and ANSYS analyses were compared to validate the method.

AB - Unsaturated soil mechanics has become the solution to many geotechnical challenges, including slope stability and tree stability. Compared to saturated soil, the additional cohesion from the matric suction strengthens the unsaturated soil. Slope stability problems could be analyzed using two-dimensional software such as GeoStudio by assuming soil under plane strain or plane stress condition. However, two-dimensional modelling may not be appropriate for complex analyses such as tree stability problems that involve soil-structure interaction. Such assumptions may lead to model inaccuracy since structural behaviour is three-dimensional. Unfortunately, software for three-dimensional analyses that could handle unsaturated soils is not readily available. In this study, a method for three-dimensional seepage and deformation analyses in unsaturated soils was done using ANSYS, incorporating the unsaturated soil shear strength, the permeability and the elastic modulus as functions of the net normal stress and the matric function. The results from two-dimensional GeoStudio and ANSYS analyses were compared to validate the method.

KW - Numerical modelling

KW - Three-dimensional analyses

KW - Unsaturated soil

UR - https://www.scopus.com/pages/publications/85060490247

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DO - 10.1007/978-3-319-97112-4_80

M3 - Conference Paper

AN - SCOPUS:85060490247

SN - 9783319971117

T3 - Springer Series in Geomechanics and Geoengineering

SP - 360

EP - 364

BT - Springer Series in Geomechanics and Geoengineering

A2 - Wu, Wei

A2 - Yu, Hai-Sui

PB - Springer-Verlag London Ltd.

T2 - China-Europe Conference on Geotechnical Engineering 2016

Y2 - 13 August 2016 through 16 August 2016

ER -

Seepage and deformation analyses in unsaturated soils using ansys

Abstract

Publication series

Conference

Keywords

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