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The mechanics of punching in reinforced concrete slabs and footings without shear reinforcement

Publications associées (311)

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

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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

Punching shear strength of reinforced concrete slabs without transverse reinforcement

Aurelio Muttoni

A mechanical explanation of the phenomenon of punching shear in slabs without transverse reinforcement is presented on the basis of the opening of a critical shear crack. It leads to the formulation of a new failure criterion for punching shear based on th ...

ACI Structural Journal2008

Strain-temperature hysteresis in concrete under cyclic freeze-thaw conditions

Shashank Bishnoi

Submerged concrete specimens with 0.55 and 0.65 water-cement ratio were studied under cyclic freeze-thaw conditions at two different rates of temperature change. The strain variation at the centres of each of the specimens was measured using embedded strai ...

2008

ALT-evaluation of high stiffness base layers with high percentages of reclaimed asphalt

Nicolas Bueche

New Road Construction Concepts (NR2C) is a FEHRL-project supported by the European Commission under the Sixth Framework Programme. NR2C develops perspectives and specific innovations, so that long-term visions are linked to short-term action. One of the id ...

2008

Model for predicting the UHPFRC tensile hardening response

Eugen Brühwiler, Emmanuel Denarié, John Wuest

Ultra High Performances Fibre Reinforced Concretes (UHPFRC) are characterised by an ex-tremely low permeability and outstanding mechanical properties. These characteristics make UHPFRC suitable for locally “harden” reinforced concrete structures subjected ...

University of Kassel2008

Model for predicting the UHPFRC tensile hardening response

Eugen Brühwiler, Emmanuel Denarié, John Wuest

Ultra High Performances Fibre Reinforced Concretes (UHPFRC) are characterised by an extremely low permeability and outstanding mechanical properties. These characteristics make UHPFRC suitable for locally “harden” reinforced concrete structures subjected t ...

Uni Kassel2008

Post punching behaviour of reinforced concrete slab-column connections

Yaser Mirzaei

Reinforced concrete flat slabs are extensively used in buildings and parking garages. At the ultimate limit state, their design is usually governed by punching shear. In the case where no punching shear reinforcement is provided, failure develops in a brit ...

7th International fib Symposium in Civil Engineering2008

Shear strength of reinforced concrete bridge deck slabs

Rui Vaz Rodrigues

Reinforced concrete bridge deck slabs without shear reinforcement can be subjected to concentrated or distributed loads of important magnitude. Under these loads their structural response is not always ductile. In particular under concentrated loads their ...

EPFL2007

Interaction sol-structure dans le domaine des tranchées couvertes

Sylvain Plumey

The present research on cut-and-cover tunnels gives a theoretical contribution to the understanding of the behaviour of these structures up to their ultimate limit state. A simplified method inspired on the convergence-confinement method is investigated an ...

EPFL2007

Comportement structural des bétons de fibres ultra performants en traction dans des éléments composés

John Wuest

Ultra high performance concretes (UHPFRC) are characterized by a dense matrix and a high fibre content. These materials exhibit exceptional mechanical and durability properties making them an ideal material for rehabilitating existing structures. The prima ...

EPFL2007