ABSTRACT: The likely range of values of the maximum lateral displacement of the ground caused by embankment loading of a soil deposit improved by the installation of geosynthetic prefabricated vertical drains (PVDs) was investigated. This involved a study of 18 field cases and an empirical equation for predicting the maximum lateral displacement is proposed. The proposed equation considers the effects of the embankment load, loading rate, and the deformation, consolidation and strength properties of the soft subsoil. Combining the proposed equation with a previously established equation for predicting the lateral displacement of soft soil deposits under the combined action of embankment and vacuum pressure loading provides a method for estimating the likely range of values of the maximum lateral displacement of a PVD-improved deposit under embankment loading with or without the application of vacuum pressure. It is suggested that the proposed method can be used as a design tool in geotechnical practice.
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October 2014
Research Article|
October 01 2014
Lateral displacement of PVD-improved deposit under embankment loading Available to Purchase
F. Xu;
F. Xu
1
PhD Candidate, Department of Civil Engineering and Architecture, Saga University, 1 Honjo, Saga, Japan, Telephone: +81 090 6425 9690; Telefax: +81 0952 28 8190; E-mail: xufang.you@163.com
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J.-C. Chai
J.-C. Chai
2
Professor, Department of Civil Engineering and Architecture, Saga University, 1 Honjo, Saga, Japan, Telephone: +81 0952 28 8580; Telefax: +81 0952 28 8190; E-mail: chai@cc.saga-u.ac.jp (corresponding author)
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Publisher: Emerald Publishing
Received:
January 16 2014
Revision Received:
June 12 2014
Accepted:
July 07 2014
Online ISSN: 1751-7613
Print ISSN: 1072-6349
© 2014 Thomas Telford Ltd
2014
Geosynthetics International (2014) 21 (5): 286–300.
Article history
Received:
January 16 2014
Revision Received:
June 12 2014
Accepted:
July 07 2014
Citation
Xu F, Chai J (2014), "Lateral displacement of PVD-improved deposit under embankment loading". Geosynthetics International, Vol. 21 No. 5 pp. 286–300, doi: https://doi.org/10.1680/gein.14.00016
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