Sigurdur Ormarsson
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View article: Instability of compressed members in timber trusses assembled with punched metal plates
Instability of compressed members in timber trusses assembled with punched metal plates Open
This study addresses the instability of wooden trusses assembled with punched metal plates. The instability of compressed wooden elements is a complex problem due to the specific boundary conditions, the timber orthotropy, and the difficul…
View article: Numerical and experimental investigations of prefabricated light-frame timber modules
Numerical and experimental investigations of prefabricated light-frame timber modules Open
Structures built with prefabricated timber modules have been recognised as an innovative construction method and have been implemented in several countries and regions. In recent years, there have been considerable research activities dire…
View article: NUMERICAL AND EXPERIMENTAL STUDY OF GLULAM BEAMS JOINTED WITH SLOTTED-IN STEEL PLATE CONNECTION
NUMERICAL AND EXPERIMENTAL STUDY OF GLULAM BEAMS JOINTED WITH SLOTTED-IN STEEL PLATE CONNECTION Open
The present work focuses on analysis of deformation and strength behaviour of slotted-in steel plateconnections in glued laminated timber (GLT). In Eurocode 5 (EC5), the design of metal dowel-type timber joints is basedon the yield theory …
View article: Stress distribution in veneers under lamination and simultaneously bending: an experimental and numerical investigation
Stress distribution in veneers under lamination and simultaneously bending: an experimental and numerical investigation Open
Laminated veneer products (LVPs) are veneers glued together into a predetermined shape. Experimental and numerical investigations were performed under lamination and simultaneously bending of veneer laminate to study the stress distributio…
View article: A numerical and experimental investigation of non-linear deformation behaviours in light-frame timber walls
A numerical and experimental investigation of non-linear deformation behaviours in light-frame timber walls Open
In recent decades, there is a trend in Scandinavian countries to build multi-storey residential houses using prefabricated timber modules. It is a highly efficient construction process with less environmental impact and less material waste…
View article: A three-dimensional numerical analysis of moisture flow in wood and of the wood’s hygro-mechanical and visco-elastic behaviour
A three-dimensional numerical analysis of moisture flow in wood and of the wood’s hygro-mechanical and visco-elastic behaviour Open
A three-dimensional numerical model was employed in simulating nonlinear transient moisture flow in wood and the wood’s hygro-mechanical and visco-elastic behaviour under such conditions. The model was developed using the finite element so…
View article: Numerical and Experimental Study on Modular-Based Timber Structures
Numerical and Experimental Study on Modular-Based Timber Structures Open
Building with prefabricated light-frame volume modules is a prevalent and innovative construction method for low and mid-rise timber buildings. Compared to traditionally site-built constructions this method is very advantageous due to its …
View article: A NUMERICAL STUDY OF THE EFFECT OF GREEN-STATE MOISTURE CONTENT ON STRESS DEVELOPMENT IN TIMBER BOARDS DURING DRYING S Florisson,S Ormarsson,J Vessby
A NUMERICAL STUDY OF THE EFFECT OF GREEN-STATE MOISTURE CONTENT ON STRESS DEVELOPMENT IN TIMBER BOARDS DURING DRYING S Florisson,S Ormarsson,J Vessby Open
Timber boards manufactured with a traditional sawing pattern often contain both heartwood andsapwood. In such boards, internal constraints can occur during drying because of a radial variation in greenstate(GS) MC between the heartwood (30…
View article: Impact of surface pressure on the shape stability of laminated veneer products
Impact of surface pressure on the shape stability of laminated veneer products Open
Vinnova 2019-00780. Energimyndigheten 2019-00780. Forskningsrådet Formas 2019-00780.
View article: Numerical and experimental study of punched metal plate connection used for long-span pitched timber roof truss structure
Numerical and experimental study of punched metal plate connection used for long-span pitched timber roof truss structure Open
According to the harmonized European design code for timber structures, Eurocode 5, all pitched timber trusses used in load bearing roofs are designed as in-plane structures which means that a bracing system must be designed and put in pla…
View article: Vibration Distribution Due to Continous, Intermittent or Half Embedded Elastomer Connections in Wooden Constructions
Vibration Distribution Due to Continous, Intermittent or Half Embedded Elastomer Connections in Wooden Constructions Open
Elastomers are commonly used to decrease the sound transmission between apartments in timber framed houses. In previous studies, different types of elastomers have been evaluated experimentally. The wooden assemblies, in which elastomers w…
View article: Shear Strength of Scots Pine Wood and Glued Joints in a Cold Climate
Shear Strength of Scots Pine Wood and Glued Joints in a Cold Climate Open
The impact of cold temperatures on the shear strength of Scots pine (Pinus sylvestris) joints glued with seven commercially available adhesives was studied in this work. The cold temperatures investigated were: 20, −20, −30, −40, and −50 °…
View article: Determination of Load Bearing Capacity for Spatial Joint with Steel Angle Brackets
Determination of Load Bearing Capacity for Spatial Joint with Steel Angle Brackets Open
The design of spatial connections in load bearing timber structures with steel angle brackets has insufficient support in the existing design standards. Therefore, research has been necessary to improve this state of the art. In the curren…