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Publications associées (26)

Studies on large scale bridging in delamination of unidirectional and cross-ply laminates

Ebrahim Farmand Ashtiani

Delamination propagation in fibrous laminates is often accompanied by development of a damage zone, within which intact fibers bridge the crack faces that constitutes a major toughening mechanism. A direct experimental assessment of the crack closure tract ...

EPFL2016

Adhesively bonded connections between composite sandwich floor panels for building rehabilitation

Thomas Keller

A connection system between adjacent sandwich panels for use in building floor rehabilitation, consisting of an adhesively (epoxy) bonded Z-joint, is proposed and studied. Experimental and numerical investigations were carried out to assess the joints' beh ...

Elsevier2015

On the Semi-rigidity of Dovetail Joint for the Joinery of LVL Panels

Yves Weinand, Laurent Humbert, Christopher Werner Matthias Robeller, Stéphane Nicolas Roche

This paper focuses on multiple tab-and-slot joints (MTSJ) for load-carrying assembly of structural wood elements, which are inspired by traditional cabinetmaking joints and adapted for automatic fabrication and engineered wood panels such as laminated vene ...

Springer Verlag2015

Rotational Stiffness at Ridges of Timber Folded-plate Structures

Yves Weinand, Stéphane Nicolas Roche

Folded-plate structures provide an efficient design using thin laminated veneer lumber panels. Inspired by Japanese furniture joinery, the multiple tab-and-slot joint was developed for the multi-assembly of timber panels with non-parallel edges without adh ...

2015

Delamination in cross-ply laminates: Identification of traction-separation relations and cohesive zone modeling

John Botsis, Joël Cugnoni, Ebrahim Farmand Ashtiani, David Enrique Alanis Rojas

Identification of traction separation relations is at the forefront of damage and fracture mechanics of composite laminates. Such relations are of particular interest in fracture of laminates consisting of layers of different fiber orientations. In this st ...

Elsevier2015

Thin ply composites: Experimental characterization and modeling of size-effects

John Botsis, Joël Cugnoni, Larissa Sorensen, Robin Amacher

Thin-ply composites are rapidly gaining interest in the composite industry, not only because of the larger design possibilities that they offer, but also because of positive size effects that have been shown to improve performance in various loading condit ...

Elsevier2014