Seismic stability analysis for a two-stage slope

Rao, P; Wu, J; Jiang, G; Shi, Y; Chen, Q; Nimbalkar, S

Seismic stability analysis for a two-stage slope

Rao, P Wu, J Jiang, G Shi, Y Chen, Q Nimbalkar, S

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Publisher:: TECHNO-PRESS
Publication Type:: Journal Article
Citation:: Geomechanics and Engineering, 2021, 27, (2), pp. 189-196
Issue Date:: 2021-10-25

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Field	Value	Language
dc.contributor.author	Rao, P
dc.contributor.author	Wu, J
dc.contributor.author	Jiang, G
dc.contributor.author	Shi, Y
dc.contributor.author	Chen, Q
dc.contributor.author	Nimbalkar, S https://orcid.org/0000-0002-1538-3396
dc.date.accessioned	2022-06-06T05:57:09Z
dc.date.available	2022-06-06T05:57:09Z
dc.date.issued	2021-10-25
dc.identifier.citation	Geomechanics and Engineering, 2021, 27, (2), pp. 189-196
dc.identifier.issn	2005-307X
dc.identifier.issn	2092-6219
dc.identifier.uri	http://hdl.handle.net/10453/157972
dc.description.abstract	This paper adopts the kinematic theorem of limit analysis to assess the seismic stability of a two-stage slope. The seismic effect is taken into account by using the pseudo-static approach. The failure mechanism for the slope is extended to include below-toe failure, toe failure and face failure. Validation of this approach is conducted by comparing the factor of safety with the data in the existing literatures. The stability charts are presented based on the graphical method for reading the factor of safety readily. Parametric study involving the effect of slope geometry, internal friction angle, seismic effect as well as depth coefficient on the stability of a two-stage slope is carried out. The critical failure surfaces with various parameters are plotted. The results obtained reveal the significant influence of slope geometry on the failure mechanism of a two-stage slope under static and seismic condition.
dc.language	English
dc.publisher	TECHNO-PRESS
dc.relation.ispartof	Geomechanics and Engineering
dc.relation.isbasedon	10.12989/gae.2021.27.2.189
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0905 Civil Engineering
dc.title	Seismic stability analysis for a two-stage slope
dc.type	Journal Article
utslib.citation.volume	27
utslib.for	0905 Civil Engineering
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	*
dc.date.updated	2022-06-06T05:57:08Z
pubs.issue	2
pubs.publication-status	Published
pubs.volume	27
utslib.citation.issue	2

Abstract:

This paper adopts the kinematic theorem of limit analysis to assess the seismic stability of a two-stage slope. The seismic effect is taken into account by using the pseudo-static approach. The failure mechanism for the slope is extended to include below-toe failure, toe failure and face failure. Validation of this approach is conducted by comparing the factor of safety with the data in the existing literatures. The stability charts are presented based on the graphical method for reading the factor of safety readily. Parametric study involving the effect of slope geometry, internal friction angle, seismic effect as well as depth coefficient on the stability of a two-stage slope is carried out. The critical failure surfaces with various parameters are plotted. The results obtained reveal the significant influence of slope geometry on the failure mechanism of a two-stage slope under static and seismic condition.

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http://hdl.handle.net/10453/157972