June 9, 2019
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Generalized plasticity state parameter-based model for saturated and unsaturated soils. Part II: Unsaturated soil modeling

Publicated to: INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS. 35 (18): 1899-1917 - 2011-12-25 35(18), DOI: 10.1002/nag.983

Authors:

Manzanal, Diego; Pastor, Manuel; Fernandez Merodo, Jose Antonio
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Affiliations

Ctr Estudios & Expt Obras Publ CEDEX, Lab Geotecnia, Madrid, Spain - Author
IGME, Area Invest Peligrosidad & Riesgos Geol, Madrid, Spain - Author
UPM, ETS Ingn Caminos, Dept Appl Math, Math Modelling Engn Grp M2i, Madrid, Spain - Author
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Abstract

The aim of this paper is to extend the generalized plasticity state parameter-based model presented in part 1 to reproduce the hydro-mechanical behavior of unsaturated soils. The proposed model is based on two pairs of stress-strain variables and a suitable hardening law taking into account the bonding-debonding effect of suction and degree of saturation. A generalized state parameter for unsaturated state is proposed to reproduce soil behavior using a single set of material parameters. Generalized plasticity gives a suitable framework to reproduce not only monotonic stress path but also cyclic behavior. The hydraulic hysteresis during a drying-wetting cycle and the void ratio effect on the hydraulic behavior is introduced. Comparison between model simulations and a series of experimental data available, both cohesive and granular, are given to illustrate the accuracy of the enhanced generalized plasticity equation. Copyright (C) 2010 John Wiley & Sons, Ltd.
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Keywords

BehaviorCapillary forcesConstitutive modelConstitutive modelingElastoplastic modelFlowFrameworkGeneralized plasticityGranular and cohesive materialsHydraulic hysteresisIdeal soilState parameterUnsaturated soils

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2011, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Geotechnical Engineering and Engineering Geology. Notably, the journal is positioned above the 90th percentile.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-04-27:

  • WoS: 67
  • Scopus: 72
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Impact and social visibility

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/85854/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 118
  • Downloads: 1
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Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (MANZANAL MILANO, DIEGO GUILLERMO) and Last Author (FERNANDEZ MERODO, JOSE ANTONIO).

the author responsible for correspondence tasks has been PASTOR PEREZ, MANUEL TOMAS.

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Awards linked to the item

The authors gratefully acknowledge the financial support granted by the Spanish Ministry of Science and Innovation (Project ANDROS) and the Ministry of Public Works (Project MODELAD).
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