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Featured researches published by V. De Gennaro.


Computers and Geotechnics | 2002

Elasto-plastic analysis of the interface behaviour between granular media and structure

V. De Gennaro; Roger Frank

Abstract It is well known that interfaces usually play a major role in the definition of the mechanical behaviour of engineering structures having interactions with the soil. In this paper the general framework of an elasto-plastic constitutive model developed on purpose for describing the interface behaviour is presented. The model is based on a Mohr–Coulomb failure criterion, including deviatoric hardening/softening, phase transformation state (compaction and dilatancy) and ultimate state. The choice of the constitutive parameters and their identification is first discussed. The predictions of the model are then presented and compared with available experimental data from various interface tests between sand and metal plates. The results of the numerical analyses emphasise the key role played by the volumetric behaviour of the interface (compaction and dilatancy), linked in some cases with the change in the normal stress acting on the structure surface and, consequently, controlling the shear resistance at the interface.


Archive | 1998

A Model for the Behaviour of Soil-Structure Interface

V. De Gennaro; G. N. Pande

The study of the mechanical behaviour of the soil-structure interfaces in the context of the theoretical framework of strain localization is presented in this paper. Classical conditions for localization of deformation are compared with other existing criteria and applied, by means of deviatoric hardening constitutive model, to the analysis of the stability in interface tests performed in a purpose-built apparatus. The post-peak behaviour is described applying an homogenisation technique. Results are compared with the observed behaviour.


Computers and Geotechnics | 2009

Axisymmetric finite element analysis of pile loading tests

I. Said; V. De Gennaro; Roger Frank


Soils and Foundations | 2003

TIME-DEPENDENT BEHAVIOUR OF OIL RESERVOIR CHALK : A MULTIPHASE APPROACH

V. De Gennaro; Pierre Delage; Yu-Jun Cui; Ch. Schroeder; Frédéric Collin


Geotechnique | 2001

ON THE COLLAPSE BEHAVIOUR OF OIL RESERVOIR CHALK

V. De Gennaro; Pierre Delage; Grégoire Priol; Frédéric Collin; Yu-Jun Cui


Geotechnique | 2011

Benchmark of experimental techniques for measuring and controlling suction

Alessandro Tarantino; D. Gallipoli; C.E. Augarde; V. De Gennaro; R. Gomez; Lyesse Laloui; Claudio Mancuso; G. El Mountassir; J. J. Munoz; Jean-Michel Pereira; Hervé Péron; G. Pisoni; Enrique Romero; A. Raveendiraraj; J. C. Rojas; D. G. Toll; Sara Tombolato; Simon J. Wheeler


Computers and Geotechnics | 2013

A viscoplastic constitutive model for unsaturated geomaterials

V. De Gennaro; Jean-Michel Pereira


Geotechnique | 2012

Mechanical behaviour of gas-charged marine plastic sediments

N. Sultan; V. De Gennaro; Alain Puech


Archive | 2005

On the compressibility of deepwater sediments of the Gulf of Guinea

Alain Puech; Pierre Delage; V. De Gennaro


International Journal for Numerical and Analytical Methods in Geomechanics | 2008

A model for pore-fluid-sensitive rock behavior using a weathering state parameter

Randall J. Hickman; Marte Gutierrez; V. De Gennaro; Pierre Delage

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Pierre Delage

École des ponts ParisTech

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