Theoretical and experimental investigations on the role of transient effects in the water retention behaviour of unsaturated granular soils

Marius Milatz; Tom Törzs; Ehsan Nikooee; S. Majid Hassanizadeh; Jürgen Grabe

doi:10.1016/j.gete.2018.02.003

Theoretical and experimental investigations on the role of transient effects in the water retention behaviour of unsaturated granular soils

Marius Milatz^*, Tom Törzs, Ehsan Nikooee, S. Majid Hassanizadeh, Jürgen Grabe

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

In the present study, an experimental setup is presented and employed to examine the influence of rate of change of saturation on the transient water retention curves of granular soils with a low suction range. The results are evaluated and compared to existing theoretical approaches to model the non-equilibrium soil-water retention behaviour as well as to experimental findings from other researchers. Furthermore, suction stress characteristic curves under non-equilibrium conditions are obtained. Finally, the importance and the application of the results in hydro-mechanical modelling of unsaturated soils are discussed.

Original language	English
Pages (from-to)	54-64
Journal	Geomechanics for Energy and the Environment
Volume	15
DOIs	https://doi.org/10.1016/j.gete.2018.02.003
Publication status	Published - Sept 2018

Keywords

Granular soils
Matric suction measurement
Soil-water retention behaviour
Suction stress
Transient effects

Access to Document

10.1016/j.gete.2018.02.003

1-s2.0-S2352380817300424-mainFinal published version, 2.01 MBLicence: Taverne

Cite this

@article{9c912e9ca8b04ff1b0c5d78ae32018ed,

title = "Theoretical and experimental investigations on the role of transient effects in the water retention behaviour of unsaturated granular soils",

abstract = "In the present study, an experimental setup is presented and employed to examine the influence of rate of change of saturation on the transient water retention curves of granular soils with a low suction range. The results are evaluated and compared to existing theoretical approaches to model the non-equilibrium soil-water retention behaviour as well as to experimental findings from other researchers. Furthermore, suction stress characteristic curves under non-equilibrium conditions are obtained. Finally, the importance and the application of the results in hydro-mechanical modelling of unsaturated soils are discussed.",

keywords = "Granular soils, Matric suction measurement, Soil-water retention behaviour, Suction stress, Transient effects",

author = "Marius Milatz and Tom T{\"o}rzs and Ehsan Nikooee and Hassanizadeh, {S. Majid} and J{\"u}rgen Grabe",

year = "2018",

month = sep,

doi = "10.1016/j.gete.2018.02.003",

language = "English",

volume = "15",

pages = "54--64",

journal = "Geomechanics for Energy and the Environment",

issn = "2352-3808",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Theoretical and experimental investigations on the role of transient effects in the water retention behaviour of unsaturated granular soils

AU - Milatz, Marius

AU - Törzs, Tom

AU - Nikooee, Ehsan

AU - Hassanizadeh, S. Majid

AU - Grabe, Jürgen

PY - 2018/9

Y1 - 2018/9

N2 - In the present study, an experimental setup is presented and employed to examine the influence of rate of change of saturation on the transient water retention curves of granular soils with a low suction range. The results are evaluated and compared to existing theoretical approaches to model the non-equilibrium soil-water retention behaviour as well as to experimental findings from other researchers. Furthermore, suction stress characteristic curves under non-equilibrium conditions are obtained. Finally, the importance and the application of the results in hydro-mechanical modelling of unsaturated soils are discussed.

AB - In the present study, an experimental setup is presented and employed to examine the influence of rate of change of saturation on the transient water retention curves of granular soils with a low suction range. The results are evaluated and compared to existing theoretical approaches to model the non-equilibrium soil-water retention behaviour as well as to experimental findings from other researchers. Furthermore, suction stress characteristic curves under non-equilibrium conditions are obtained. Finally, the importance and the application of the results in hydro-mechanical modelling of unsaturated soils are discussed.

KW - Granular soils

KW - Matric suction measurement

KW - Soil-water retention behaviour

KW - Suction stress

KW - Transient effects

UR - http://www.scopus.com/inward/record.url?scp=85042366152&partnerID=8YFLogxK

U2 - 10.1016/j.gete.2018.02.003

DO - 10.1016/j.gete.2018.02.003

M3 - Article

AN - SCOPUS:85042366152

SN - 2352-3808

VL - 15

SP - 54

EP - 64

JO - Geomechanics for Energy and the Environment

JF - Geomechanics for Energy and the Environment

ER -

Theoretical and experimental investigations on the role of transient effects in the water retention behaviour of unsaturated granular soils

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this