Numerical modeling of the load distribution in multiple fastener joints

Bader, Thomas K.,1980-Linnéuniversitetet,Institutionen för byggteknik (BY) (författare)

Numerical modeling approaches, for the determination of load distribution in laterally loaded joints, as well as for the assignment of stiffness properties of joints for the structural analysis, are summarized in this contribution. The effect of the nonlinearity and the load-to-grain orientation dependence of connection slip, of elastic deformation in the surrounding wood matrix, and of the deviation between load and displacement direction are discussed. Comparison of various models demonstrates the pronounced effect of the load-to-grain orientation dependence and the nonlinearity in connection slip on the load distribution, particularly in case of moment loading. The effect of elastic deformation in the wood matrix on the load distribution increases with increased size of joints, even more pronounced when joints are loaded by a shear force perpendicular to the grain. In case of normal force loading, the non-uniform load distribution due to elastic deformation in the wood matrix reduces rapidly with increased relative joint displacement. Pros and cons of the modeling approaches as well as necessary input data are discussed in relation to the design process and European standardization.

Bocquet, Jean-FrancoisUniversity of Lorraine, France (författare)
Schweigler, MichaelVienna University of Technology, Austria(Swepub:lnu)miscaa (författare)
Lemaitre, RomainUniversity of Lorraine, France (författare)
LinnéuniversitetetInstitutionen för byggteknik (BY) (creator_code:org_t)

Ingår i:International Conference on Connections in Timber Engineering – From Research to StandardsGraz : Verlag der Technischen Universität Graz, s. 136-1529783851255539

Av författaren/redakt...: Bader, Thomas K. ...; Bocquet, Jean-Fr ...; Schweigler, Mich ...; Lemaitre, Romain

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