Numerical Analysis of Geosynthetic Reinforced Soil Wall as Bridge Abutment

Mirlatifi, S; Fatahi, B

Numerical Analysis of Geosynthetic Reinforced Soil Wall as Bridge Abutment

Mirlatifi, S Fatahi, B

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Publisher:: Geomechanical Society and New Zealand Geotechnical Society
Publication Type:: Conference Proceeding
Citation:: Proceedings of the 11th Australia - New Zealand Conference on Geomechanics - Ground Engineering in a Changing World (ANZ 2012), 2012, pp. 1383 - 1388
Issue Date:: 2012-01

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Field	Value	Language
dc.contributor.author	Mirlatifi, S	en_US
dc.contributor.author	Fatahi, B https://orcid.org/0000-0002-7920-6946	en_US
dc.contributor.editor	Narsilio, G	en_US
dc.contributor.editor	Arulrajah, A	en_US
dc.contributor.editor	Kodikara, J	en_US
dc.date	2012-07-15	en_US
dc.date.issued	2012-01	en_US
dc.identifier.citation	Proceedings of the 11th Australia - New Zealand Conference on Geomechanics - Ground Engineering in a Changing World (ANZ 2012), 2012, pp. 1383 - 1388	en_US
dc.identifier.isbn	978-0-646-54301-7	en_US
dc.identifier.uri	http://hdl.handle.net/10453/19298
dc.description.abstract	This paper presents the finite element analysis of a geosynthetic reinforced soil wall as a bridge abutment built in Tehran, and the predictions are compared with the available field measurements. This abutment is analysed using both Limit Equilibrium Method (LEM) for stability analysis and Finite Element Method (FEM) for deformation analysis. Two dimensional plane strain finite element model is adopted for the simulation. Polyvinyl Alcohol (PVA) geogrid with high tensile moduli and low creep characteristics has been adopted in this project to limit the deformation of the bridge abutment. In this model, the backfill soil and geogrids simulated adopting Mohr-Coulomb model, and the elasto-plastic material model that only works in tension, respectively. Bridge abutments can be stabilised by including geosynthetic layers with high tensile moduli satisfying both stability and deformation criteria reducing the construction cost and time, post construction deformations, and future maintenance cost.	en_US
dc.publisher	Geomechanical Society and New Zealand Geotechnical Society	en_US
dc.relation.ispartof	Proceedings of the 11th Australia - New Zealand Conference on Geomechanics - Ground Engineering in a Changing World (ANZ 2012)	en_US
dc.relation.ispartof	Australia New Zealand Conference on Geomechanics	en_US
dc.title	Numerical Analysis of Geosynthetic Reinforced Soil Wall as Bridge Abutment	en_US
dc.type	Conference Proceeding
utslib.location	Melbourne, Australia	en_US
utslib.location.activity	Melbourne, Australia	en_US
utslib.for	090501 Civil Geotechnical Engineering	en_US
utslib.for	0905 Civil Engineering	en_US
dc.location.activity	Melbourne, Australia	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
utslib.copyright.status	open_access
pubs.consider-herdc	false	en_US
pubs.finish-date	2012-07-18	en_US
pubs.place-of-publication	Melbourne, Australia	en_US
pubs.start-date	2012-07-15	en_US

Abstract:

This paper presents the finite element analysis of a geosynthetic reinforced soil wall as a bridge abutment built in Tehran, and the predictions are compared with the available field measurements. This abutment is analysed using both Limit Equilibrium Method (LEM) for stability analysis and Finite Element Method (FEM) for deformation analysis. Two dimensional plane strain finite element model is adopted for the simulation. Polyvinyl Alcohol (PVA) geogrid with high tensile moduli and low creep characteristics has been adopted in this project to limit the deformation of the bridge abutment. In this model, the backfill soil and geogrids simulated adopting Mohr-Coulomb model, and the elasto-plastic material model that only works in tension, respectively. Bridge abutments can be stabilised by including geosynthetic layers with high tensile moduli satisfying both stability and deformation criteria reducing the construction cost and time, post construction deformations, and future maintenance cost.

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http://hdl.handle.net/10453/19298