Cyclic Behaviour of Bracing Type Pure Aluminium Shear Panels (BTPASPs): Experimental and Numerical Analysis

Abstract eng:
Based on a wide experimental campaign carried out on four specimens subjected to cyclic loads, a non-linear numerical model for interpreting the behavior of bracing type pure aluminum shear panels has been set up. After a brief overview on the experimental tests, the calibration procedure of this models is presented in the current paper. It has been implemented on the basis of the hysteretic response revealed by tests, as well as on some characteristic measures which put in evidence the behavior of the proposed devices in terms of both stiffness and energy dissipation capacity. The obtained numerical results are in good agreement with the experimental ones, also because proposed model is able to capture the most important experimental evidences at any shear strain demands, such as the triggering of buckling phenomena and the observed deformed shapes. This allows the use of the numerical model as a convenient tool to check the stress state, the deformed shape and the main resistant mechanisms of the analysed shear panel typology.

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