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Integration of Viscoplastic Effects in Nonlinear Ground Response Analysis

Mallak Janati Idrissi

Masters thesis (2019)

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Cite this document: Janati Idrissi, M. (2019). Integration of Viscoplastic Effects in Nonlinear Ground Response Analysis (Masters thesis, Polytechnique Montréal). Retrieved from https://publications.polymtl.ca/3845/
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Abstract

RÉSUMÉ: Les analyses non-linéaires du comportement unidimensionnel des dépôts de sol permettent d‟évaluer le potentiel d‟amplification des ondes sismiques d‟un site, et requièrent des lois de comportement qui contrôlent la réponse du sol aux chargements sismiques. Ces lois de comportement utilisent généralement les courbes de réduction du module de cisaillement et d‟amortissement comme paramètres d‟entrée, où la courbe de réduction du module de cisaillement représente la diminution de la rigidité du sol en fonction de la déformation, et la courbe d‟amortissement représente la capacité du sol à dissiper l‟énergie lors de cisaillement cyclique.----------ABSTRACT: Nonlinear one-dimensional ground response analyses are used to assess the potential of ground motion amplification at a site, and require constitutive models that control the response of the soil to seismic loading. Constitutive models typically use modulus reduction and damping curves as input parameters where the modulus reduction curve represents the decrease of stiffness of the soil with shear strain, and the damping curve represents the capacity of the soil to dissipate energy uponcyclic shearing.

Open Access document in PolyPublie
Department: Département des génies civil, géologique et des mines
Dissertation/thesis director: Samuel Yniesta
Date Deposited: 12 Jun 2019 11:58
Last Modified: 04 Jul 2019 16:04
PolyPublie URL: https://publications.polymtl.ca/3845/

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