| 摘要 |
A seismic device for insulating buildings comprises a group of at least three plates (1, 2, 3) overlapping each other and having respective faces facing each other shaped to define, between each pair (1, 2; 2, 3) of facing plates, at least one pair of channels (12). Each channels (12) house at least one roller (5, 6) adapted to allow relative sliding in a horizontal plane of the plates (1, 2, 3) for the absorption of horizontal oscillations produced by an earthquake. The channels (12) between the lower plate (1) and the intermediate plate (2) have a development direction orthogonal with respect to the channels (12) defined between the intermediate plate (2) and the top plate (3) of the group. Elastic damping means are also provided and arranged below the group of plates (1, 2, 3) and comprise a plurality of cushions (9) inflated to a predetermined controlled pressure and arranged below the lower plate (1) to raise said group from the ground and absorb the load and the vertical oscillations produced by the earthquake. |
