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Laboratory Investigations on Geotechnical Properties of Screened Bottom Ash from Two MSW Incineration Plants in Delhi Read chapter Read first chapter

2021 | OriginalPaper | Chapter

Influence of the Rate of Construction on the Response of PVD Improved Soft Ground

Authors : Priyanka Talukdar, Arindam Dey

Published in: Problematic Soils and Geoenvironmental Concerns

Publisher: Springer Singapore

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Abstract

The major problem of embankment on soft soil foundations is to overcome excessive settlement, initiating undrained failure of the infrastructure, provided proper ground improvement is not planned. One of the most widely used solution to this problem is to stabilize the soft soil foundations under embankment, by the installation of prefabricated vertical drains (PVD), which is carried out throughout the world. It is observed that the installation of vertical drains highly increases the settlement rate, improves pore water pressure dissipation, and decreases the lateral deformation of the soft clay foundation. The paper presents a numerical model to analyze the response of PVD-reinforced soft soil under embankment loading to the rate of embankment construction by finite element modeling. Apart from predicting the dissipation of excess pore water pressure, lateral displacement and the resulting consolidation settlement with time, the stability factors for different rates of embankment construction have been studied. It is observed that higher stability is manifested by the embankment having a slower rate of construction.

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previous chapter Effect of Drying and Wetting of Shear Strength of Soil
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Metadata
Title
Influence of the Rate of Construction on the Response of PVD Improved Soft Ground
Authors
Priyanka Talukdar
Arindam Dey
Copyright Year
2021
Publisher
Springer Singapore
Book
Problematic Soils and Geoenvironmental Concerns

Print ISBN: 978-981-15-6236-5

Electronic ISBN: 978-981-15-6237-2

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-981-15-6237-2_4