Finite Element Simulation of Mechanical and Moisture-Related Stresses in Laterally Loaded Multi-Dowel Timber Connections
Publication: Research - peer-review › Article in proceedings – Annual report year: 2010
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Finite Element Simulation of Mechanical and Moisture-Related Stresses in Laterally Loaded Multi-Dowel Timber Connections. / Ormarsson, Sigurdur; Dahlblom, O.; Nygaard, M. J.
In: WCTE - World Conference on Timber Engineering 2010: Conference Proceeding. Vol. III 2010. p. 671-672.Publication: Research - peer-review › Article in proceedings – Annual report year: 2010
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TY - GEN
T1 - Finite Element Simulation of Mechanical and Moisture-Related Stresses in Laterally Loaded Multi-Dowel Timber Connections
A1 - Ormarsson,Sigurdur
A1 - Dahlblom,O.
A1 - Nygaard,M. J.
AU - Ormarsson,Sigurdur
AU - Dahlblom,O.
AU - Nygaard,M. J.
PY - 2010
Y1 - 2010
N2 - Numerical simulations of stress distribution within a moment stiff timber frame corner have been performed. The frame corner is a multi-dowel connection with two slotted-in steel plates. The interaction between the fasteners and the wood material is modelled as a full contact interaction based on penalty formulation. The wood material is assumed to be an orthotropic material in reference to elastic and shrinkage behaviours. Both mechanical loading (from snow and wind) and moisture loading have been studied. Model adaptivity was used to reduce the computer time and to find suitable coupling conditions between beam and solid elements. The simulation results have been compared with typical hand calculations. The conclusion is that the hand calculations diverge quite a lot from the simulation results and relatively small moisture changes can cause significant stresses in areas adjoining the fasteners.
AB - Numerical simulations of stress distribution within a moment stiff timber frame corner have been performed. The frame corner is a multi-dowel connection with two slotted-in steel plates. The interaction between the fasteners and the wood material is modelled as a full contact interaction based on penalty formulation. The wood material is assumed to be an orthotropic material in reference to elastic and shrinkage behaviours. Both mechanical loading (from snow and wind) and moisture loading have been studied. Model adaptivity was used to reduce the computer time and to find suitable coupling conditions between beam and solid elements. The simulation results have been compared with typical hand calculations. The conclusion is that the hand calculations diverge quite a lot from the simulation results and relatively small moisture changes can cause significant stresses in areas adjoining the fasteners.
KW - Wood, simulations, moisture, multi-dowels connection, slotted-in steel plates
VL - III
BT - WCTE - World Conference on Timber Engineering 2010
T2 - WCTE - World Conference on Timber Engineering 2010
SP - 671
EP - 672
ER -