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Measurement and analysis of temporary prop loads at Canary Wharf underground station, east London

Measurement and analysis of temporary prop loads at Canary Wharf underground station, east London
Measurement and analysis of temporary prop loads at Canary Wharf underground station, east London
The loads developed in tubular steel temporary props during the construction of the London Underground Jubilee Line Extension station at Canary Wharf were monitored using vibrating wire strain gauges. Prop temperatures were also measured to investigate the fluctuation of load with temperature. In this paper, the measured prop loads are related to temperature, the excavation process and certain construction details. They are then compared with the loads calculated using modified limit equilibrium calculations and a series of parametric finite-element analyses. Prop loads reasonably close to those measured can be calculated using either technique, but certain discrepancies between the two calculations in terms of the detail of the earth pressure distributions acting on the wall require further research.
retaining walls, temporary props, excavation
1353-2618
151-163
Batten, M.
d344b977-3118-489e-8974-8dc56257ffd3
Powrie, W.
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
Batten, M.
d344b977-3118-489e-8974-8dc56257ffd3
Powrie, W.
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c

Batten, M. and Powrie, W. (2000) Measurement and analysis of temporary prop loads at Canary Wharf underground station, east London. Proceedings of the Institution of Civil Engineers - Geotechnical Engineering, 143 (3), 151-163. (doi:10.1680/geng.2000.143.3.151).

Record type: Article

Abstract

The loads developed in tubular steel temporary props during the construction of the London Underground Jubilee Line Extension station at Canary Wharf were monitored using vibrating wire strain gauges. Prop temperatures were also measured to investigate the fluctuation of load with temperature. In this paper, the measured prop loads are related to temperature, the excavation process and certain construction details. They are then compared with the loads calculated using modified limit equilibrium calculations and a series of parametric finite-element analyses. Prop loads reasonably close to those measured can be calculated using either technique, but certain discrepancies between the two calculations in terms of the detail of the earth pressure distributions acting on the wall require further research.

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More information

Published date: 2000
Keywords: retaining walls, temporary props, excavation

Identifiers

Local EPrints ID: 75448
URI: https://eprints.soton.ac.uk/id/eprint/75448
ISSN: 1353-2618
PURE UUID: 70007888-ed72-46be-9200-3fbe2c57b8be
ORCID for W. Powrie: ORCID iD orcid.org/0000-0002-2271-0826

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 06 Jun 2018 13:06

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