Abstract
| Original language | English |
|---|---|
| Pages (from-to) | 537-547 |
| Number of pages | 11 |
| Journal | Geotextiles & Geomembranes |
| Volume | 45 |
| Issue number | 5 |
| Early online date | 13 Jul 2017 |
| DOIs | |
| Publication status | Published - Oct 2017 |
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Bibliographical note
NOTICE: this is the author’s version of a work that was accepted for publication in Geotextiles & Geomembranes. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in[Geotextiles & Geomembranes, [45], [5], (2017)] DOI: 10.1016/j.geotexmem.2017.07.004© 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Keywords
- Geosynthetics
- Embankment
- PVD
- Soft clay
- Creep behavior
- Advanced constitutive model
Cite this
Creep analysis of an earth embankment on soft soil deposit with and without PVD improvement. / Rezania, Mohammad; Bagheri, Meghdad; Mousavi Nezhad, Mohaddeseh; Sivasithamparam, N.
In: Geotextiles & Geomembranes, Vol. 45, No. 5, 10.2017, p. 537-547.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Creep analysis of an earth embankment on soft soil deposit with and without PVD improvement
AU - Rezania, Mohammad
AU - Bagheri, Meghdad
AU - Mousavi Nezhad, Mohaddeseh
AU - Sivasithamparam, N
N1 - NOTICE: this is the author’s version of a work that was accepted for publication in Geotextiles & Geomembranes. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in[Geotextiles & Geomembranes, [45], [5], (2017)] DOI: 10.1016/j.geotexmem.2017.07.004 © 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
PY - 2017/10
Y1 - 2017/10
N2 - In this paper, an anisotropic creep constitutive model, namely Creep-SCLAY1S is employed to study the installation effects of prefabricated vertical drains (PVDs) on the behavior of a full scale test embankment, namely Haarajoki embankment in Finland. The embankment was constructed on a natural soft soil with PVD installed to improve the drainage under one half of it. The Creep constitutive model used in this study, incorporates the effects of fabric anisotropy, structure and time within a critical state based framework. For comparison, the isotropic modified Cam clay (MCC) model and the rate-independent anisotropic S-CLAY1S model are also used for the analyses. The numerical predictions are compared with field measurements and the results indicate that the creep model provides an improved approximation of field settlements, and excess pore pressure build-up and dissipations. In addition, the application of two commonly used permeability matching techniques for two dimensional (2D) plane-strain analysis of the PVD problem is studied and the results are discussed highlighting their limitations and advantages.
AB - In this paper, an anisotropic creep constitutive model, namely Creep-SCLAY1S is employed to study the installation effects of prefabricated vertical drains (PVDs) on the behavior of a full scale test embankment, namely Haarajoki embankment in Finland. The embankment was constructed on a natural soft soil with PVD installed to improve the drainage under one half of it. The Creep constitutive model used in this study, incorporates the effects of fabric anisotropy, structure and time within a critical state based framework. For comparison, the isotropic modified Cam clay (MCC) model and the rate-independent anisotropic S-CLAY1S model are also used for the analyses. The numerical predictions are compared with field measurements and the results indicate that the creep model provides an improved approximation of field settlements, and excess pore pressure build-up and dissipations. In addition, the application of two commonly used permeability matching techniques for two dimensional (2D) plane-strain analysis of the PVD problem is studied and the results are discussed highlighting their limitations and advantages.
KW - Geosynthetics
KW - Embankment
KW - PVD
KW - Soft clay
KW - Creep behavior
KW - Advanced constitutive model
U2 - 10.1016/j.geotexmem.2017.07.004
DO - 10.1016/j.geotexmem.2017.07.004
M3 - Article
VL - 45
SP - 537
EP - 547
JO - Geotextiles and Geomembranes
JF - Geotextiles and Geomembranes
SN - 0266-1144
IS - 5
ER -