Three-dimensional numerical analyses of load-bearing behavior and failure of multiple double-shear dowel-type connections in timber engineering

The goals of three-dimensional numerical studies of wooden double-shear dowel-type connections are the determination of the load-carrying capacity and the analysis of the load-bearing behavior and the failure of the construction. A suitable finite-element modeling requires different element and constitutive formulations with respect to material, contact and path-following. Particularly, the constitutive modeling of wood is of great importance. Therefore, element approaches and material models are introduced, which take into consideration the ductile and the brittle failure behavior of wood. In this way, failure mechanisms like plasticizing and cracking are represented realistically. The verification of the FE-modeling is carried out on the basis of structural experiments and nonlinear numerical simulations including the post-failure domain. These simulations predict the load-carrying capacity very accurately and allow for a deeper analysis of the failure mechanisms.

[1]  J. Z. Zhu,et al.  The finite element method , 1977 .

[2]  J. Ehlbeck,et al.  Untersuchungen über die Tragfähigkeit von Stabdübelverbindungen , 2007, Holz als Roh- und Werkstoff.

[3]  K. Bathe.  Finite Element Procedures , 1995 .

[4]  Erik Serrano,et al.  A numerical study of methods to predict the capacity of multiple steel-timber dowel joints , 2008, Holz als Roh- und Werkstoff.

[5]  Dong Hyawn Kim.  Neuro-control of fixed offshore structures under earthquake , 2009 .

[6]  Kei Sawata,et al.  Estimation of yield and ultimate strengths of bolted timber joints by nonlinear analysis and yield theory , 2003, Journal of Wood Science.

[7]  Toshiro Hayashikawa,et al.  Load-carrying capacity of steel-to-timber joints with a pretensioned bolt , 2008, Journal of Wood Science.

[8]  Dong-Sheng Jeng,et al.  Finite element modeling for the mechanical behavior of dowel-type timber joints , 2003 .

[9]  Michael Kaliske,et al.  Models for numerical failure analysis of wooden structures , 2009 .

[10]  A. Jesus,et al.  Quasi-static mechanical behaviour of a double-shear single dowel wood connection , 2009 .

[11]  Pj Pellicane,et al.  Nonlinear material models for analysis of bolted wood connections , 1997 .

[12]  Ghyslaine McClure,et al.  Elasto-plastic modeling of wood bolted connections , 2003 .

[13]  Jörg Schmidt,et al.  Zur dreidimensionalen Materialmodellierung von Fichtenholz mittels eines Mehrflächen-Plastizitätsmodells , 2006, Holz als Roh- und Werkstoff.

[14]  Shen-Haw Ju,et al.  A three-dimensional frictional stress analysis of double-shear bolted wood joints , 2007 .

[15]  Michael Kaliske,et al.  Simulation of cracks in wood using a coupled material model for interface elements , 2007 .

[16]  K. W. Johansen,et al.  Theory of Timber Connections , 1949 .

[17]  Stephen W. Tsai,et al.  A General Theory of Strength for Anisotropic Materials , 1971 .

[18]  Laurent Daudeville,et al.  Failure analysis of timber bolted joints by fracture mechanics , 1996 .