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Oblique bending in U-shaped steel sheet piles

Oblique bending in U-shaped steel sheet piles
Oblique bending in U-shaped steel sheet piles
U-shaped Larssen steel sheet piles are normally driven in pairs. The common interlock may be crimped or welded to prevent inter-pile movement, creating an asymmetric section which may exhibit a reduced bending strength due to oblique (biaxial) bending. The recently introduced Eurocode 3: part 5 takes this into account and applies a reduction factor on bending strength. This paper provides information on the selection of values for the reduction factor and will be of interest to designers of U-section steel sheet pile retaining walls. Experimental tests carried out on one-sixth scale U-piles are reported, together with a theoretical analysis of oblique bending. The research shows that freedom of lateral movement is important to the development of oblique bending. Furthermore, pile walls restrained against lateral movement by soil–structure interaction, among other things, will not exhibit significant oblique bending.
codes of practice & standards, piles & piling, steel structures
0965-0911
255-261
Byfield, M. P.
35515781-c39d-4fe0-86c8-608c87287964
Crawford, R.J.
708f5c93-d1b4-40f2-a13d-7022b78957e0
Byfield, M. P.
35515781-c39d-4fe0-86c8-608c87287964
Crawford, R.J.
708f5c93-d1b4-40f2-a13d-7022b78957e0

Byfield, M. P. and Crawford, R.J. (2003) Oblique bending in U-shaped steel sheet piles. Proceedings of the Institution of Civil Engineers - Structures and Buildings, 156 (3), 255-261. (doi:10.1680/stbu.156.3.255.37864).

Record type: Article

Abstract

U-shaped Larssen steel sheet piles are normally driven in pairs. The common interlock may be crimped or welded to prevent inter-pile movement, creating an asymmetric section which may exhibit a reduced bending strength due to oblique (biaxial) bending. The recently introduced Eurocode 3: part 5 takes this into account and applies a reduction factor on bending strength. This paper provides information on the selection of values for the reduction factor and will be of interest to designers of U-section steel sheet pile retaining walls. Experimental tests carried out on one-sixth scale U-piles are reported, together with a theoretical analysis of oblique bending. The research shows that freedom of lateral movement is important to the development of oblique bending. Furthermore, pile walls restrained against lateral movement by soil–structure interaction, among other things, will not exhibit significant oblique bending.

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More information

Published date: August 2003
Keywords: codes of practice & standards, piles & piling, steel structures

Identifiers

Local EPrints ID: 189069
URI: http://eprints.soton.ac.uk/id/eprint/189069
ISSN: 0965-0911
PURE UUID: 964ab54d-094f-456d-a02c-fb0b08862d1d
ORCID for M. P. Byfield: ORCID iD orcid.org/0000-0002-9724-9472

Catalogue record

Date deposited: 02 Jun 2011 14:29
Last modified: 08 Jan 2022 08:42

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Contributors

Author: M. P. Byfield ORCID iD
Author: R.J. Crawford

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