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Monitoring of the Chillon viaduct after strengthening with UHPFRC

Publications associées (33)

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Investigation of a new steel-concrete connection for composite bridges

Jean-Paul Lebet, Dimitrios Papastergiou

A new type of connection for steel-concrete composite bridges was developed by the Steel Structures Laboratory of Ecole Polytechnique Fédérale de Lausanne. Resistance to longitudinal shear is based on the development of shear stresses in the confined inter ...

Techno-Press2014

Static and fatigue strength of RC slabs under concentrated loads near linear supports

Aurelio Muttoni, Francisco Manuel Maciel Natário

RC slabs without shear reinforcement subjected to c oncentrated loads near lin ear supports are typical cases of deck slabs of bridges, transfer slabs or pile caps. Such elements are often designed or as sessed in shear with code provisions calibrated on ...

Proc. of the 10th fib International PhD Symposium in Civil Engineering, Quebec2014

Post-Punching Behavior of Flat Slabs

Aurelio Muttoni, Miguel Fernández Ruiz, Yaser Mirzaei

Reinforced concrete flat slabs are a common structural system for cast-in-place concrete slabs. Failures in punching shear near the column regions are typically governing at ultimate. In case no punching shear or integrity reinforcement is placed, failures ...

ACI Structural Journal2013

A meso-scale computational approach to dynamic failure in concrete

Leonardo Snozzi

The aim of the present thesis is to provide a numerical tool for the mechanical modeling of dynamic failure in concrete. This widely used construction material is characterized by a non-linear failure behavior, which is consequently difficult to describe w ...

EPFL2013

Punching shear strength of steel fibre reinforced concrete slabs

Aurelio Muttoni, Miguel Fernández Ruiz, Luis Felipe Maya Duque

The ultimate strength of reinforced concrete slabs is frequently governed by the punching shear capacity, which may be increased with addition of traditional fitments such as reinforcing steel, headed studs or shear heads. In addition to these traditional ...

Engineering Structures2012

Poinçonnement non symétrique des dalles en béton armé

Luca Tassinari

Punching shear of reinforced concrete flat slabs supported on columns is a failure mode in which the slab fractures around the column. This type of failure is sudden and can be catastrophic in nature. Punching shear generally governs the ultimate limit sta ...

EPFL2011

Post-punching behavior of reinforced concrete slabs

Yaser Mirzaei

Reinforced concrete flat slabs are extensively used in buildings and parking garages. Their design is governed by deflection at the serviceability limit state and punching shear at the ultimate limit state. When no punching shear reinforcement is provided, ...

EPFL2010

Experience in the Long-Term Monitoring of Bridges

Olivier Burdet

At the end of the 1980’s, a series of existing bridges in Switzerland were equipped with a network of hydrostatic leveling devices, with the aim of following their longterm behavior. Some of the bridges were known to exhibit a steady increase in their defo ...

3rd fib International Congress2010

New Connection System for Confined Concrete Columns and Beams. I: Experimental Study

Yu Bai

A new connection system for a concrete filled steel tube composite column and reinforced concrete beams is proposed. In this connection, the steel tube is interrupted while the reinforced concrete beams are continuous in the joint zone. Multiple lateral ho ...

2008

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