Publications associées à Rotational mechanical behaviour of wood-wood connections with application to double-layered folded timber-plate structure

Robotic Assembly of Integrally-Attached Timber Plate Structures: From Computational Design to Automated Construction

The digitization of timber construction, the emergence of engineered wood products, and the urgent need to drastically reduce buildings' environmental impact have given a rebirth to wood as a construction material. On the one hand, increasing the use of ti ...

EPFL2023

Development of Novel Standardized Structural Timber Elements Using Wood-Wood Connections

Julien Gamerro

Traditional wood-wood connections, widely used in the past, have been progressively replaced by steel fasteners and bonding processes in modern timber constructions. However, the emergence of digital fabrication and innovative engineered timber products ha ...

EPFL2020

Experimental investigations on the load-carrying capacity of digitally produced wood-wood connections

Yves Weinand, Julien Gamerro, Jean-François Bocquet

The rise of digital fabrication has increased the use of wood-wood connections inspired by traditional carpentry in modern timber constructions. With recent developments on standard construction systems, the mechanical behavior of such joints for in-plane ...

2020

Joinery Solver for Whole Timber Structures

Yves Weinand, Petras Vestartas

This paper presents a digital joinery generation method for whole-timber structures using wood-wood connections. The research is based on a collaboration with a local timber company located in a mountain area [1]. In this context, there is a need to explor ...

2020

Characterization of mortar-timber and timber-timber cyclic friction in timber floor connections of masonry buildings

Katrin Beyer, João Saraiva Esteves Pacheco de Almeida

The seismic performance of buildings depends critically on the stiffness and strength of storey diaphragms. Whilst for modern reinforced concrete or steel structures the connection between floors and lateral resisting members is often assumed as monolithic ...

SPRINGER2020

Modelling Workflow for Segmented Timber Shells using Wood-wood Connections

Yves Weinand, Julien Gamerro, Petras Vestartas, Nicolas Henry Pierre Louis Rogeau

This paper presents a modelling method based on planarization for double-curved segmented timber shell made from quad polygons and assembled by wood-wood connections. The inspiration is taken from timber dome structures, where solid timber walls were built ...

Springer2019

Modern timber design approaches for traditional Japanese architecture: analytical, experimental, and numerical approaches for the Nuki joint

Corentin Jean Dominique Fivet, Jan Friedrich Georg Brütting

This work fully investigates a specific timber joinery connection via experimental, analytical, and numerical methods. The selected joint is the Nuki joint: a mortised column with through-beam tenon. The experimental approach takes advantage of digital fab ...

International Center for Numerical Methods in Engineering (CIMNE)2019

Integrally attached timber folded surface structures : geometrical, experimental and numerical study

Andrea Stitic

In structural engineering, folded surface structures present one of the concepts for construction of self supporting column free systems. They utilize structural benefits of folding to achieve material saving and improve structural efficiency. The folding ...

EPFL2017

Ductility of adhesively bonded timber joints

Thomas Keller, Anastasios Vassilopoulos, Myrsini Angelidi

In the field of timber engineering, adhesive bonding remains a promising, though poorly developed, joining technique that may increase the structural stiffness and capacity of timber joints and structures. Selecting ductile adhesives may further allow to c ...

WIT Press2017

Semi-Rigid Moment-Resisting Behavior of Multiple Tab-and-Slot Joint for Freeform Timber Plate Structures

Stéphane Nicolas Roche

Historically based on the transfer of ancestral know-how, the art of carpentry changed considerably at the beginning of the 21st century with the arrival on the market of engineered wood products (EWP) and computer numerically controlled machines (CNC). Th ...

EPFL2017

Stochastic analysis of clear timber as a structural material

Alireza Farajzadeh Moshtaghin

Wood/timber has been widely used for house and bridge construction. It is a widely available natural material that necessitates low energy for the production, following simple processes. The environmentally friendliness, together with the low cost of raw m ...

EPFL2016

Back-Contacted Silicon Heterojunction Solar Cells

Andrea Tomasi

Wood/timber has been widely used for house and bridge construction. It is a widely available natural material that necessitates low energy for the production, following simple processes. The environmentally friendliness, together with the low cost of raw m ...

EPFL2016

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

Laurent Humbert, Yves Weinand, 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

Integral Mechanical Attachment for Timber Folded Plate Structures

Christopher Werner Matthias Robeller

Timber folded plate Structures combine the advantages of timber as a construction material, such as its carbon-dioxide storage, low energy production and favorable weight-to-strength ratio, with the structural efficiency and elegance of folded surface stru ...

EPFL2015

Interlocking Folded Plate – Integral Mechanical Attachment for Structural Wood Panels

Yves Weinand, Christopher Werner Matthias Robeller

Automatic joinery has become a common technique for the jointing of beams in timber framing and roofing. It has revived traditional, integral joints such as mortise and tenon connections. Similarly, but only recently, the automatic fabrication of tradition ...

2015

Rotational Stiffness at Ridges of Timber Folded-plate Structures

Yves Weinand, Stéphane Nicolas Roche, Geoffroy Mattoni

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

CNC-fabricated dovetails for Joints of Prefabricated CLT Components

Yves Weinand, Paul Mayencourt, Benjamin Hahn, Christopher Werner Matthias Robeller

The widely available automated prefabrication in timber construction companies, as well as modern CAD software with application programing interfaces, allow for the design and production of increasingly geometrically complex building components. This devel ...

Springer Verlag2014

Snap-fit Joints - CNC fabricated, Integrated Mechanical Attachment for Structural Wood Panels

Yves Weinand, Paul Mayencourt, Christopher Werner Matthias Robeller

This presentation presents our reserach into the design and potential applications of CNC fabricated snap-fit joints for cross-laminated veneer lumber panels (LVL). These joints are new to the building construction sector, but commonly used in other domain ...

Riverside Architectural Press2014

Experimental investigations on welded double lap joints composed of timber

Bernhard Stamm, Till Vallée, Yves Weinand, Benjamin Hahn

Fabrication of wood-to-wood connections by means of friction welding is an relatively new process holding high potential for development. To connect wooden pieces by means of friction welding, they are initially pressed against each other. The rapid moveme ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2011

Chemical investigations on the thermal behaviour of wood during friction welding

Julius Natterer, Bernhard Stamm

Friction welding is a new technology in the course of which wood pieces are subjected to circular or linear movements in a welding machine. The wood in the contact zone is heated and melted. Aiming at a better understanding of the thermal alteration of woo ...

2006