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WCTE 2018 - TITAN V INNOVATIVE ANGLE BRACKET FOR CLT

In this paper, experimental tests and numerical analyses conducted on an innovative angle bracket for Cross-Laminated Timber (CLT) structures subjected to tension and shear loads are presented.

Such angle bracket represents an improvement of the available angle brackets manufactured by Rotho Blaas and was designed to increase the tensile capacity by adding inclined fully-threaded screws.

Results of experimental tests carried out at Laboratory of Earthquake and Dynamic Engineering (LEDA) of the Enna Kore University are presented in terms of force-displacement curves.

All the experimental tests are then simulated using a numerical model implemented in the FE solver ABAQUS.

The influence of the mechanical behaviour of screws and nails on the angle bracket performance was then investigated, considering stiffnesses and strengths from both experimental programmes and codes of practice, and evaluating the importance of the Group Effect.

The obtained force-displacement curve is compared with the experimental curves, showing a good accuracy of the proposed FE model.

Experimental tests confirmed that fully-threaded screws increased the tensile capacity of the angle bracket.

WCTE 2018 - TITAN V INNOVATIVE ANGLE BRACKET FOR CLT