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Three-dimensional finite element analyses of embedded retaining walls supported by discontinuous earth berms

Three-dimensional finite element analyses of embedded retaining walls supported by discontinuous earth berms
Three-dimensional finite element analyses of embedded retaining walls supported by discontinuous earth berms

A series of three-dimensional finite element analyses has been carried out to investigate the effect of the removal of sections of an earth berm supporting an embedded retaining wall. For the particular wall-berm geometry and ground conditions considered in these analyses, relationships between the wall movement, the length of berm section removed, the spacing between successive unsupported sections, and the time elapsed following excavation are presented and discussed. The analyses show that, for a given elapsed time, wall movements are proportional to the length of the excavated berm section provided that the unsupported sections are sufficiently widely spaced. If the spacing between unsupported sections is reduced below some critical value, wall movements then depend on both the length of and distance between the excavated berm sections.

Construction sequence, Diaphragm walls, Earth berms, Finite element analyses, Three-dimensional effects
0008-3674
1062-1077
Gourvenec, Susan M.
6ff91ad8-1a91-42fe-a3f4-1b5d6f5ce0b8
Powrie, William
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
Gourvenec, Susan M.
6ff91ad8-1a91-42fe-a3f4-1b5d6f5ce0b8
Powrie, William
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c

Gourvenec, Susan M. and Powrie, William (2000) Three-dimensional finite element analyses of embedded retaining walls supported by discontinuous earth berms. Canadian Geotechnical Journal, 37 (5), 1062-1077.

Record type: Article

Abstract

A series of three-dimensional finite element analyses has been carried out to investigate the effect of the removal of sections of an earth berm supporting an embedded retaining wall. For the particular wall-berm geometry and ground conditions considered in these analyses, relationships between the wall movement, the length of berm section removed, the spacing between successive unsupported sections, and the time elapsed following excavation are presented and discussed. The analyses show that, for a given elapsed time, wall movements are proportional to the length of the excavated berm section provided that the unsupported sections are sufficiently widely spaced. If the spacing between unsupported sections is reduced below some critical value, wall movements then depend on both the length of and distance between the excavated berm sections.

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More information

Published date: October 2000
Keywords: Construction sequence, Diaphragm walls, Earth berms, Finite element analyses, Three-dimensional effects

Identifiers

Local EPrints ID: 414614
URI: http://eprints.soton.ac.uk/id/eprint/414614
ISSN: 0008-3674
PURE UUID: 93113122-3e6d-4658-a505-f7f31b407788
ORCID for Susan M. Gourvenec: ORCID iD orcid.org/0000-0002-2628-7914
ORCID for William Powrie: ORCID iD orcid.org/0000-0002-2271-0826

Catalogue record

Date deposited: 05 Oct 2017 16:30
Last modified: 17 Dec 2019 01:59

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