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Topologie des champs de contraintes pour le dimensionnement des structures en béton armé

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SAMARIS D25b - Guidance for the use of UHPFRC for rehabilitation of concrete highway structures

Emmanuel Denarié

order to manage structures effectively and to reduce this burden to the minimum, the number and extent of interventions have to be kept to the lowest possible level. The extremely low permeability of Ultra-High Performance Fibre Reinforced Concretes (UHPFR ...

MCS/EU2006

The extremely low permeability of Ultra High Performance Fibre Reinforced Concretes (UHPFRC) associated to their outstanding mechanical properties make them especially suitable to locally "harden" reinforced concrete structures in critical zones subjected ...

2006

SAMARIS D22 - Full scale application of UHPFRC for the rehabilitation of bridges – from the lab to the field

Emmanuel Denarié

The premature deterioration of reinforced concrete structures is a heavy burden for society. In order to manage structures effectively and to reduce this burden to the minimum, the number and extent of interventions have to be kept to the lowest possible l ...

SAMARIS2005

A method is developed to model continuum (finite element) and discrete [kinetic Monte Carlo (kMC)] diffusion occurring simultaneously in connected regions of space. The two regions are coupled across ail interface using ail iterative domain-decomposition a ...

2005

Micropipe bundling and twisting in SiC crystals was revealed using synchrotron x-ray phase sensitive radiography. The computer simulation of micropipe evolution during the crystal growth suggests that the bundled and twisted micropipes arise under the infl ...

2003

The paper presents an analytical comparison of the amount of prestressing required for two similar bridges, one with internal and the other with external prestressing. This comparison shows that bridges with external prestressing can become economically co ...

IABSE, 16th Congress2000

Etude du comportement réel des ponts mixtes et modélisation pour le dimensionnement

Construction methods for steel-concrete structures have developed significantly over the last quarter of a century, and the number of steel-concrete bridges on road and rail networks is continually increasing. However, design methods for bridges have not e ...

EPFL1997

Numerical analysis of punching failure in reinforced concrete structures

Reinforced concrete slabs supported on columns fail by punching when a conical plug of concrete perforates the slab above the column. This failure has been mostly investigated experimentally, so what can numerical simulation contribute to understand this p ...

EPFL1994