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Case study of barrette retaining wall, Kent, UK

Von Der Tann, L; Ingram, P; Devriendt, M; Ferreira, P; Fuentes, R; (2015) Case study of barrette retaining wall, Kent, UK. In: Winter, M and Smith, D and Eldred, P and Brown, M, (eds.) Proceedings of the XVI ECSMGE Geotechnical Engineering for Infrastructure and Development. (pp. pp. 1003-1008). ICE Publishing: Edinburgh, UK. Green open access

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Abstract

This paper presents a case history of a retaining wall designed by Arup and constructed in Kent, UK, between 1996 and 1998, as part of a highway cutting. The design methodology which was applied for this novel wall type is introduced, and measured horizontal displacements are presented and discussed. The design requirements specified that the wall had to be capable of supporting up to 8.8 m of retained height and was not to be propped or anchored. To attain sufficient bending stiffness, Arup introduced a series of discrete barrettes perpendicular to the excavation. Arches of sprayed concrete retain the soil between the barrettes above dredge level. The barrettes were designed applying the general design principles for embedded retaining walls. Pore water pressures on the wall were reduced and controlled by installing a back of wall drainage system. Inclinometers in one of the instrumented wall sections were recently re-read. These data are shown and compared to the original predictions. Overall the wall showed only minor movements and satisfies the stated design requirements.

Type: Proceedings paper
Title: Case study of barrette retaining wall, Kent, UK
Event: XVI European Conference on Soil Mechanics and Geotechnical Engineering (ECSMGE), Edinburgh, Scotland, 13-17 September, 2015
ISBN-13: 9780727760678
Open access status: An open access version is available from UCL Discovery
DOI: 10.1680/ecsmge.60678.vol3.138
Publisher version: http://www.icevirtuallibrary.com/doi/abs/10.1680/e...
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1522460
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