Journal article Open Access

Glued-in rods in cross laminated timber – Numerical simulations and parametric studies

Azinović, Boris; Danielsson, Henrik; Serrano, Erik; Kramar, Miha

Numerical simulations and parametric studies of glued-in rods in cross-laminated timber have been performed.
The simulations were based on 3D finite element analysis, using a cohesive surface model for the
bond-lines between the laminations and the bond-line along the rod. The parametric studies investigated
the influence of the glued-in length, the rod diameter, and the rod-to-grain angle on the load-bearing
capacity and stiffness of the connection. The analyses showed that the load-bearing capacity generally
increases with the glued-in length and the rod diameter, which agrees well with experiments. For different
rod-to-grain angles, different mechanical behaviour was observed, especially considering the failure
modes.

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