Influence of degradation of structure on the behaviour of a full scale embankment

S. Panayides; M. Rouainia; D. Muir Wood

doi:10.1139/t11-104

Influence of degradation of structure on the behaviour of a full scale embankment

S. Panayides, M. Rouainia, D. Muir Wood

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

27 Citations (Scopus)

Abstract

The advanced constitutive model KHSM for structured clays, which incorporates the effects of loss of structure within an elastoplastic framework, has been implemented in a finite element procedure and used to investigate the failure height and pore-water pressures of embankment A constructed at Saint Alban, Quebec. For the purpose of model comparison, simulations were also performed using the standard bubble model (KHM) without destructuration. The numerical predictions of pore-water pressures and settlements are also compared with field measurements. The results clearly demonstrate the importance of including the effects of loss of structure in the analysis.

Original language	English
Pages (from-to)	344-356
Number of pages	13
Journal	Canadian Geotechnical Journal
Volume	49
Issue number	3
DOIs	https://doi.org/10.1139/t11-104
Publication status	Published - Mar 2012

Keywords

structured clays
constitutive models
numerical analysis
embankments
Full-scale tests
Failure

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abstract = "The advanced constitutive model KHSM for structured clays, which incorporates the effects of loss of structure within an elastoplastic framework, has been implemented in a finite element procedure and used to investigate the failure height and pore-water pressures of embankment A constructed at Saint Alban, Quebec. For the purpose of model comparison, simulations were also performed using the standard bubble model (KHM) without destructuration. The numerical predictions of pore-water pressures and settlements are also compared with field measurements. The results clearly demonstrate the importance of including the effects of loss of structure in the analysis.",

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AB - The advanced constitutive model KHSM for structured clays, which incorporates the effects of loss of structure within an elastoplastic framework, has been implemented in a finite element procedure and used to investigate the failure height and pore-water pressures of embankment A constructed at Saint Alban, Quebec. For the purpose of model comparison, simulations were also performed using the standard bubble model (KHM) without destructuration. The numerical predictions of pore-water pressures and settlements are also compared with field measurements. The results clearly demonstrate the importance of including the effects of loss of structure in the analysis.

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KW - constitutive models

KW - numerical analysis

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KW - Full-scale tests

KW - Failure

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Influence of degradation of structure on the behaviour of a full scale embankment

Abstract

Keywords

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