Rankine, Briony, and Sivakugan, Nagaratnam (2007) Short term lateral deformations induced in an elastic medium through the application of rigid embankment loading. In: Common Ground. Proceedings of the 10th Australia New Zealand Conference on Geomechanics (1) pp. 214-219. From: 10th Australia New Zealand Conference on Geomechanics, 21-24 Oct 2007, Brisbane, QLD, Australia.

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Abstract

Recently, numerous investigations have been conducted to predict the lateral displacements which develop in soft clay foundations as a result of embankment construction. These studies focus on the prediction of lateral deformation at the toe of the embankment, and were prompted by observations of the damaging effects on adjacent structures by these deformations. The mechanisms of lateral deformations are not yet clearly understood, however, predictions of behaviour seem possible due to the distribution of lateral deformations with depth remaining similar during the settlement process. The finite difference program FLAC was used within this study to model the behaviour of a homogeneous elastic medium subjected to different conditions of embankment loading. An empirical relation has been developed to describe the variation of lateral deformations with depth, at various distances from the embankment toe. This empirical correlation compared well to predictions from a previously validated numerical model of an instrumented trial embankment.

Item ID:	3040
Item Type:	Conference Item (Research - E1)
ISBN:	978-0-646-47974-3
Keywords:	lateral deformation; embankment load; numerical model; FLAC; soft clays; analytical solutions
Additional Information:
Date Deposited:	08 Oct 2009 03:12
FoR Codes:	09 ENGINEERING > 0999 Other Engineering > 099999 Engineering not elsewhere classified @ 100%
SEO Codes:	87 CONSTRUCTION > 8702 Construction Design > 870201 Civil Construction Design @ 100%
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