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Buildings Made of Dowel-Laminated Timber: Joint and Shear Wall Properties

https://research.thinkwood.com/en/permalink/catalogue1718
Year of Publication
2016
Topic
Mechanical Properties
Seismic
Connections
Material
DLT (Dowel Laminated Timber)
Application
Shear Walls
Author
Sandhaas, Carmen
Year of Publication
2016
Format
Conference Paper
Material
DLT (Dowel Laminated Timber)
Application
Shear Walls
Topic
Mechanical Properties
Seismic
Connections
Keywords
Joints
Load Carrying Capacity
Cyclic Tests
Energy Dissipation
Behaviour Factors
Numerical Models
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 22-25, 2016, Vienna, Austria p. 4589-4596
Summary
Dowel-laminated timber (DLT) elements consist of lamellae arranged side-by-side that are connected with beech dowels. Due to the glue-free DLT element layup, joints and shear walls potentially suffer from considerable reduction of stiffness and load carrying capacity as metal fasteners inserted perpendicular to the element plane may be placed in gaps between the single lamellae. Tests on typical joints showed that, depending on the fastener diameter, the remaining load carrying capacity of joints in DLT in comparison to joints in solid wood may be only 25%. Tests on DLT shear walls with different sheeting proved that the use of DLT structures as shear walls is only possible if at least one-sided sheeting is used. Cyclic tests on DLT shear walls demonstrated that the DLT construction typology has energy dissipation properties similar to traditional timber frame construction. Analogously, preliminary behaviour factors for DLT buildings evaluated with numerical models were also similar to those for timber frame buildings.
Online Access
Free
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Design of Connections in Timber Structures

https://research.thinkwood.com/en/permalink/catalogue1937
Year of Publication
2018
Topic
Connections
Design and Systems
Material
CLT (Cross-Laminated Timber)
Author
Bader, Thomas
Blaß, Hans Joachim
Bocquet, Jean-François
Branco, Jorge
Brandner, Reinhard
Manuel Cabrero, José
de Proft, Kurt
Descamps, Thierry
Dietsch, Philipp
Franke, Bettina
Franke, Steffen
Görlacher, Rainer
Jockwer, Robert
Jorissen, André
Kleiber, Marion
Lemaître, Romain
Munch-Andersen, Jørgen
Pazlar, Tomaž
Ranasinghe, Keerthi
Ringhofer, Andreas
Sandhaas, Carmen
Schweigler, Michael
Stepinac, Mislav
Tuhkanen, Eero
Verbist, Maxime
Yurrita, Miguel
Editor
Sandhaas, Carmen
Munch-Andersen, Jørgen
Dietsch, Philipp
Publisher
COST (European Cooperation in Science and Technology)
Year of Publication
2018
Format
Book/Guide
Material
CLT (Cross-Laminated Timber)
Topic
Connections
Design and Systems
Keywords
Eurocode 5
Fasteners
Screws
Dowel Type Fastener
Glued-In Rods
Numerical Modeling
Europe
Load Distribution
Research Status
Complete
Summary
This state-of-the-art report has been prepared within COST Action FP1402 Basis of structural timber design from research to standards, Working Group 3 Connections. The Action was established to create an expert network that is able to develop and establish the specific information needed for standardization committee decisions. Its main objective is to overcome the gap between broadly available scientific results and the specific information needed by standardization committees. This necessitates an expert network that links practice with research, i.e. technological developments with scientific background. COST presents the ideal basis to foster this type of joint effort. Chapter 8 Connections presents an integral part of Eurocode 5 and is in need of revision. This state-of-the-art report shall provide code writers with background information necessary for the development of the so-called Second Generation of the Eurocodes, now aimed to be produced in 2022.
Online Access
Free
Resource Link
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Static and Dynamic Behavior of Stiffening Shear Walls in Dowel-Laminated Timber Construction

https://research.thinkwood.com/en/permalink/catalogue932
Year of Publication
2016
Topic
Seismic
Connections
Material
DLT (Dowel Laminated Timber)
Application
Shear Walls
Wood Building Systems
Author
Sandhaas, Carmen
Blaß, Hans Joachim
Organization
Karlsruher Institut für Technologie
Year of Publication
2016
Format
Report
Material
DLT (Dowel Laminated Timber)
Application
Shear Walls
Wood Building Systems
Topic
Seismic
Connections
Keywords
Joints
Cyclic Tests
Q Factor
Dynamic Building Model
Research Status
Complete
Summary
Joints and shear walls of buildings made from dowel-laminated timber were experimentally investigated and assessed. Based on cyclic tests on shear walls, a nonlinear dynamic building model was developed. The developed model served to evaluate the seismic behaviour of buildings made from dowel-laminated timber and to derive a preliminary behaviour factor q required for seismic design of this building typology.
Online Access
Free
Resource Link
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Timber Engineering - Principles for Design

https://research.thinkwood.com/en/permalink/catalogue1922
Year of Publication
2017
Topic
Design and Systems
Serviceability
Mechanical Properties
Material
CLT (Cross-Laminated Timber)
Timber-Concrete Composite
Author
Blaß, Hans Joachim
Sandhaas, Carmen
Organization
Karlsruher Institut für Technologie
Publisher
KIT Scientific Publishing
Year of Publication
2017
Format
Book/Guide
Material
CLT (Cross-Laminated Timber)
Timber-Concrete Composite
Topic
Design and Systems
Serviceability
Mechanical Properties
Keywords
Eurocode 5
European Standards
Structural Design
Research Status
Complete
Notes
DOI: 10.5445/KSP/1000069616
Summary
This comprehensive book provides in-depth knowledge and understanding of design rules according to Eurocode 5. It is based on the first edition of the STEP (Structural Timber Education Programme) series, which was prepared in 1995 by about 50 authors from 14 European countries. The present work updates and extends the STEP compilation and is aimed at students, structural engineers and other timber structure professionals.
Online Access
Free
Resource Link
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