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An experimental study of the behaviour of embedded lengths of cantilever walls

An experimental study of the behaviour of embedded lengths of cantilever walls
An experimental study of the behaviour of embedded lengths of cantilever walls
Laboratory-based 1–g experiments are described which model the embedded length of cantilever walls in sand, and in which the shear and normal stresses between the soil and the wall were measured, together with wall displacements, as the load on the wall was progressively increased to failure. The results show that comparatively large earth pressures, associated with high effective angles of wall friction, are mobilized just below the soil surface in front of the wall. Earth pressures on the retained side, below the centre of rotation of the wall, were smaller than Rankine passive values, confirming Krey's original views on the downwards direction of wall friction at this location. The results fit well within the relatively small available data set for free embedded cantilever walls, and show the trend of increasing bending moment with depth of embedment, given a constant effective angle of friction.
diaphragm and in situ walls, earth pressure, sands, model tests
0016-8505
731-745
Clayton, C.R.I.
8397d691-b35b-4d3f-a6d8-40678f233869
Bica, A.V.D
0c884221-c53b-46fd-8300-3e5d006ebde5
Clayton, C.R.I.
8397d691-b35b-4d3f-a6d8-40678f233869
Bica, A.V.D
0c884221-c53b-46fd-8300-3e5d006ebde5

Clayton, C.R.I. and Bica, A.V.D (1998) An experimental study of the behaviour of embedded lengths of cantilever walls. Geotechnique, 48 (6), 731-745. (doi:10.1680/geot.1998.48.6.731).

Record type: Article

Abstract

Laboratory-based 1–g experiments are described which model the embedded length of cantilever walls in sand, and in which the shear and normal stresses between the soil and the wall were measured, together with wall displacements, as the load on the wall was progressively increased to failure. The results show that comparatively large earth pressures, associated with high effective angles of wall friction, are mobilized just below the soil surface in front of the wall. Earth pressures on the retained side, below the centre of rotation of the wall, were smaller than Rankine passive values, confirming Krey's original views on the downwards direction of wall friction at this location. The results fit well within the relatively small available data set for free embedded cantilever walls, and show the trend of increasing bending moment with depth of embedment, given a constant effective angle of friction.

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More information

Published date: December 1998
Keywords: diaphragm and in situ walls, earth pressure, sands, model tests
Organisations: Civil Engineering & the Environment

Identifiers

Local EPrints ID: 74553
URI: https://eprints.soton.ac.uk/id/eprint/74553
ISSN: 0016-8505
PURE UUID: c3f002aa-800d-4655-97b8-d37c4264ed96

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:45

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Contributors

Author: C.R.I. Clayton
Author: A.V.D Bica

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