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Seismic risk management of piles in liquefiable soils stabilized with cementation or lattice structures

Rostami, R., Hytiris, N., Mickovski, S.B. and Bhattacharya, S. (2018) Seismic risk management of piles in liquefiable soils stabilized with cementation or lattice structures Geotechnical Research.

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Abstract

Liquefaction is an important seismic hazard that can cause extensive damage and high economic impact during earthquakes. Despite the extensive research, methodologies, and approaches for managing liquefaction for pile supported structures, failures of structures due to liquefaction have continued to occur to this day. The main aim of this paper is to develop a simplified methodology to reduce potential structural damage of structures founded in soils susceptible to liquefaction. In order to implement a successful remediation technique, the current methods for pile failure in liquefiable soils and remediation schemes of earthquake-induced liquefaction are critically reviewed and discussed. The cementation and lattice structure techniques to reduce the liquefaction hazard are proposed, while numerical analysis for unimproved and stabilised soil profiles using Finite Element Method (FEM) is carried out to simulate the analysis of both stabilisation techniques. The results showed that the both techniques are effective and economically viable for reduction or avoidance of potential structural damage caused by liquefied soil and can be used in isolation or in combination, depending on the ground profile and pile type.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
NameEmailORCID
Rostami, R.
Hytiris, N.
Mickovski, S.B.
Bhattacharya, S.s.bhattacharya@surrey.ac.uk
Date : 2018
Copyright Disclaimer : Copyright © ICE Publishing, 2018. All rights reserved. This is an open access article under the CC-BY license. For full details see here: https://creativecommons.org/licenses/by/4.0/
Related URLs :
Depositing User : Clive Harris
Date Deposited : 09 Aug 2018 10:23
Last Modified : 09 Aug 2018 10:30
URI: http://epubs.surrey.ac.uk/id/eprint/848879

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