Instrumented Reinforced Wall: Measurements and FEM Results

Carrubba, Paolo; Luchetta, Fausta; Montanelli, F; Moraci, Nicola

doi:10.1061/40515(291)18

Advances in Transportation and Geoenvironmental Systems Using Geosynthetics 2000

DOI: 10.1061/40515(291)18

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Instrumented Reinforced Wall: Measurements and FEM Results

Paolo Carrubba¹,

Fausta Luchetta²,

F Montanelli³

et al.

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2003

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Capturing strain localization behind a geosynthetic‐reinforced soil wall

Lai

Borja

Duvernay

et al. 2003

Num Anal Meth Geomechanics

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SUMMARYThis paper presents the results of finite element (FE) analyses of shear strain localization that occurred in cohesionless soils supported by a geosynthetic-reinforced retaining wall. The innovative aspects of the analyses include capturing of the localized deformation and the accompanying collapse mechanism using a recently developed embedded strong discontinuity model. The case study analysed, reported in previous publications, consists of a 3.5-m tall, full-scale reinforced wall model deforming in plane strain and loaded by surcharge at the surface to failure. Results of the analysis suggest strain localization developing from the toe of the wall and propagating upward to the ground surface, forming a curved failure surface. This is in agreement with a well-documented failure mechanism experienced by the physical wall model showing internal failure surfaces developing behind the wall as a result of the surface loading. Important features of the analyses include mesh sensitivity studies and a comparison of the localization properties predicted by different pre-localization constitutive models, including a family of three-invariant elastoplastic constitutive models appropriate for frictional/dilatant materials. Results of the analysis demonstrate the potential of the enhanced FE method for capturing a collapse mechanism characterized by the presence of a failure, or slip, surface through earthen materials.

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Capturing strain localization behind a geosynthetic‐reinforced soil wall

Lai

Borja

Duvernay

et al. 2003

Num Anal Meth Geomechanics

View full text Add to dashboard Cite

show abstract

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Instrumented Reinforced Wall: Measurements and FEM Results

Cited by 1 publication

References 2 publications

Capturing strain localization behind a geosynthetic‐reinforced soil wall

Capturing strain localization behind a geosynthetic‐reinforced soil wall

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