Experimental Evaluation of Seismic Deformation Characteristics of Vertical-Horizontal Reinforced Soil Walls

Shrestha, B; Khabbaz, H; Fatahi, B

Experimental Evaluation of Seismic Deformation Characteristics of Vertical-Horizontal Reinforced Soil Walls

Shrestha, B Khabbaz, H

Fatahi, B

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Publisher:: Curtin University
Publication Type:: Conference Proceeding
Citation:: ICAGE 2011 - Proceedings of the International Conference on Advances in Geotechnical Engineering, 2011, pp. 797 - 802
Issue Date:: 2011-01

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Field	Value	Language
dc.contributor.author	Shrestha, B	en_US
dc.contributor.author	Khabbaz, H https://orcid.org/0000-0001-6637-4601	en_US
dc.contributor.author	Fatahi, B https://orcid.org/0000-0002-7920-6946	en_US
dc.contributor.editor	Shahin, MA	en_US
dc.contributor.editor	Nikraz, HR	en_US
dc.date	2011-11-07	en_US
dc.date.issued	2011-01	en_US
dc.identifier.citation	ICAGE 2011 - Proceedings of the International Conference on Advances in Geotechnical Engineering, 2011, pp. 797 - 802	en_US
dc.identifier.isbn	978-0-646-55142-5	en_US
dc.identifier.uri	http://hdl.handle.net/10453/19229
dc.description.abstract	Reinforced soils have been widely used in different construction applications including retaining walls. The performance of retaining walls employing vertical reinforcement in conjunction with horizontal reinforcement is investigated experimentally. This paper presents an experimental study of the seismic performance of vertical-horizontal reinforced soil wall on the simulated earthquake using reducedscale shake table tests. Construction of model retaining walls, instrumentation and results from shaking table tests are described in detail. Two types of reinforced walls, conventional horizontal reinforcement and vertical-horizontal reinforcement, were subjected to large shake of the earthquake motions. The geometry of the model, soil properties and reinforcement characteristics has been kept identical in all tests. The reinforcements used were polymeric geogrids, which were connected to the wrap-facing. Each consecutive horizontal reinforcement layers were connected in tension to each other with the help of vertical connections. The walls were instrumented using transducers to measure wall facing displacement, and accelerations within the soil. The magnitude of lateral displacement under base excitation significantly reduced when vertical reinforcement was included to the wall system.	en_US
dc.publisher	Curtin University	en_US
dc.relation.ispartof	ICAGE 2011 - Proceedings of the International Conference on Advances in Geotechnical Engineering	en_US
dc.relation.ispartof	International Conference on Advances in Geotechnical Engineering	en_US
dc.title	Experimental Evaluation of Seismic Deformation Characteristics of Vertical-Horizontal Reinforced Soil Walls	en_US
dc.type	Conference Proceeding
utslib.location	Perth, Australia	en_US
utslib.location.activity	Perth, Australia	en_US
utslib.for	0905 Civil Engineering	en_US
dc.location.activity	Perth, 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	closed_access
pubs.consider-herdc	true	en_US
pubs.finish-date	2011-11-09	en_US
pubs.place-of-publication	Perth, Australia	en_US
pubs.start-date	2011-11-07	en_US

Abstract:

Reinforced soils have been widely used in different construction applications including retaining walls. The performance of retaining walls employing vertical reinforcement in conjunction with horizontal reinforcement is investigated experimentally. This paper presents an experimental study of the seismic performance of vertical-horizontal reinforced soil wall on the simulated earthquake using reducedscale shake table tests. Construction of model retaining walls, instrumentation and results from shaking table tests are described in detail. Two types of reinforced walls, conventional horizontal reinforcement and vertical-horizontal reinforcement, were subjected to large shake of the earthquake motions. The geometry of the model, soil properties and reinforcement characteristics has been kept identical in all tests. The reinforcements used were polymeric geogrids, which were connected to the wrap-facing. Each consecutive horizontal reinforcement layers were connected in tension to each other with the help of vertical connections. The walls were instrumented using transducers to measure wall facing displacement, and accelerations within the soil. The magnitude of lateral displacement under base excitation significantly reduced when vertical reinforcement was included to the wall system.

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http://hdl.handle.net/10453/19229