Deformation Behavior of Geocell Reinforced Granular Cushion Over Soft Soil with Stone Columns: Fid-Bau Portal

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Deformation Behavior of Geocell Reinforced Granular Cushion Over Soft Soil with Stone Columns

Zhang, Ling / Ou, Qiang / Zhao, Minghua

Abstract This paper developed a simplified model for an embankment resting on geocell reinforced granular cushion over soft soil with stone columns. The geocell reinforced granular cushion was idealized as an Euler-Bernoulli beam by taking beam’s geometric nonlinearity into account, while the stone columns were idealized as tensionless and elastic-perfectly plastic springs, and the soft soil was idealized by Kelvin-Voight model to represent its consolidation behavior. The Euler-Bernoulli theory was used to analyze the foundation beam with consideration of the interfacial resistances at the top and bottom of the beam. The influences of soil consolidation and column stiffness on the embankment settlement were also discussed.

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Deformation Behavior of Geocell Reinforced Granular Cushion Over Soft Soil with Stone Columns

Zhang, Ling / Ou, Qiang / Zhao, Minghua

Abstract This paper developed a simplified model for an embankment resting on geocell reinforced granular cushion over soft soil with stone columns. The geocell reinforced granular cushion was idealized as an Euler-Bernoulli beam by taking beam’s geometric nonlinearity into account, while the stone columns were idealized as tensionless and elastic-perfectly plastic springs, and the soft soil was idealized by Kelvin-Voight model to represent its consolidation behavior. The Euler-Bernoulli theory was used to analyze the foundation beam with consideration of the interfacial resistances at the top and bottom of the beam. The influences of soil consolidation and column stiffness on the embankment settlement were also discussed.

Deformation Behavior of Geocell Reinforced Granular Cushion Over Soft Soil with Stone Columns

Zhang, Ling / Ou, Qiang / Zhao, Minghua

Abstract This paper developed a simplified model for an embankment resting on geocell reinforced granular cushion over soft soil with stone columns. The geocell reinforced granular cushion was idealized as an Euler-Bernoulli beam by taking beam’s geometric nonlinearity into account, while the stone columns were idealized as tensionless and elastic-perfectly plastic springs, and the soft soil was idealized by Kelvin-Voight model to represent its consolidation behavior. The Euler-Bernoulli theory was used to analyze the foundation beam with consideration of the interfacial resistances at the top and bottom of the beam. The influences of soil consolidation and column stiffness on the embankment settlement were also discussed.

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Title:

Deformation Behavior of Geocell Reinforced Granular Cushion Over Soft Soil with Stone Columns

Contributors:

Zhang, Ling (author) / Ou, Qiang (author) / Zhao, Minghua (author)

Published in:

Proceedings of the 2nd International Symposium on Asia Urban GeoEngineering ; 412-424

Springer Series in Geomechanics and Geoengineering

Publication date:

2018-01-01

Size:

13 pages

ISBN:

978-981-10-6632-0 , 978-981-10-6631-3

ISSN:

1866-8755 , 1866-8763

DOI:

https://doi.org/10.1007/978-981-10-6632-0_32

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Geocell reinforced granular cushion , Stone column , Euler-Bernoulli beam , Embankment settlement Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences , Structural Mechanics

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