Intense earthquakes and other natural disasters cause significant damage, including deformation and buckling, to buildings that experience non-linear displacement. Structural dampers, which absorb high amounts of energy, prevent or reduce damage. Expenses and specialization, however, limit their use to high-cost applications.
Perforated Plate Seismic Dampers offer a novel method for efficient seismic energy absorption at a low cost. A single steel plate shaped to have four “nodes” or fuse points, stretches under seismic accelerations, focusing the shear and tension forces onto the four nodes. This unique plate formation absorbs excess energy, thereby reducing the lateral displacement and resultant damage to buildings during seismic events.