Full Scale Tests of a RC Frame Building with Metal Shear Panels

Abstract eng:
In the current paper, an experimental investigation related to the use of steel and pure aluminium shear panels for seismic upgrading of existing reinforced concrete frames is presented. Based on a preliminary experimental test of the bare RC structure, the metal shear panels to be adopted have been proportioned. Such devices have been allocated within an external steel frame, whose members have been properly designed in order to sustain elastically the applied tension field actions. Then, full-scale experimental cyclic tests have been carried out on the upgraded structure, showing the significant improvement of the original building performance in terms of strength, stiffness and deformation capacity. Finally, a comparison between the adopted solutions, in terms of dissipated energy, equivalent viscous damping ratio and secant stiffness, is presented, showing the major contribution provided by the applied metsal shear panels.

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