About: Experimental Verification of Numerical Model of Single and Double-Shear Dowel-Type Joints of Wood     Goto   Sponge   Distinct   Permalink

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Description
  • Mechanical analysis of dowel-type timber joints connection by 1) Finite Element Method (FEM) and 2) experimental testing with use of Digital Image Correlation (DIC) is presented in this paper. Norway spruce (Picea abies L. Karst.) one of the most important construction wood in Czech Republic for reconstruction of historic buildings was used; wooden dowels which were made from English oak (Quercus robur L.) were chosen as connection. Dimensions of samples were derived from the dowel diameter - 8 mm. Experimental tests were carried out according to the European standards EN 383 and EN 26891. Both single-shear and double-shear joints were loaded parallel to grain. Numerical (FEM) 3D model was built in software Ansys ver. 14.5. Numerical model was based on the linear orthotropic mechanic theory. This model was verified using experimental data (displacements and forces mainly). The second part of experiment was focused on monitoring of surface deformations around dowel. Area around forehead dowel was scanned using stereovision system during the loading in testing machine with acquisition time interval of 250 ms. Strain distribution in this area was calculated by DIC technology. Results of numerical simulations showed correspondence with experimental part. Deformations around forehead dowel described by Finite Element Method were in agreement with deformations analyzed by Digital Image Correlation.
  • Mechanical analysis of dowel-type timber joints connection by 1) Finite Element Method (FEM) and 2) experimental testing with use of Digital Image Correlation (DIC) is presented in this paper. Norway spruce (Picea abies L. Karst.) one of the most important construction wood in Czech Republic for reconstruction of historic buildings was used; wooden dowels which were made from English oak (Quercus robur L.) were chosen as connection. Dimensions of samples were derived from the dowel diameter - 8 mm. Experimental tests were carried out according to the European standards EN 383 and EN 26891. Both single-shear and double-shear joints were loaded parallel to grain. Numerical (FEM) 3D model was built in software Ansys ver. 14.5. Numerical model was based on the linear orthotropic mechanic theory. This model was verified using experimental data (displacements and forces mainly). The second part of experiment was focused on monitoring of surface deformations around dowel. Area around forehead dowel was scanned using stereovision system during the loading in testing machine with acquisition time interval of 250 ms. Strain distribution in this area was calculated by DIC technology. Results of numerical simulations showed correspondence with experimental part. Deformations around forehead dowel described by Finite Element Method were in agreement with deformations analyzed by Digital Image Correlation. (en)
Title
  • Experimental Verification of Numerical Model of Single and Double-Shear Dowel-Type Joints of Wood
  • Experimental Verification of Numerical Model of Single and Double-Shear Dowel-Type Joints of Wood (en)
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  • Experimental Verification of Numerical Model of Single and Double-Shear Dowel-Type Joints of Wood
  • Experimental Verification of Numerical Model of Single and Double-Shear Dowel-Type Joints of Wood (en)
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  • RIV/62156489:43410/14:00218608!RIV15-MSM-43410___
http://linked.open...avai/riv/aktivita
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  • S
http://linked.open...vai/riv/dodaniDat
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  • 15929
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  • RIV/62156489:43410/14:00218608
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  • single-shear; dowel-type joints; Digital Image Correlation; Finite Element Method; double-shear (en)
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  • [8DB6CFA917B7]
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  • Zvolen, Slovakia
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  • Monona
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  • 57th SWST International convention. 7th Wood structure and properties conference. 6th European hardwood conference
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  • Brabec, Martin
  • Sebera, Václav
  • Tippner, Jan
  • Milch, Jaromír
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number of pages
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  • Society of Wood Science and Technology
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  • 978-0-9817876-4-0
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  • 43410
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