Evaluation of relative density effects on liquefiable sands using PM4Sand model

Poster (2019)

Authors

A. Laera University of Bari, Plaxis
G. Vilhar Plaxis
S. Brasile Plaxis
Copyright: © 2019 A. Laera, G. Vilhar, S. Brasile, R.B.J. Brinkgreve
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Published Date

2019

Language

English

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Abstract

To simulate the behaviour of saturated sands under cyclic loading, the PM4Sand constitutive model (version 3.1) formulated by Boulanger & Ziotopoulou [1], is used. The model can realistically reproduce the pore pressure build-up, accumulation of strain as well as triggering of liquefaction. The effect of dif-ferent relative densities on liquefaction resistance is evaluated by comparing the results of a site response analysis performed on a soil column character-ized by a saturated sand layer and subjected to given earthquake signals. The analyses are performed using the finite element code PLAXIS.

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