| 摘要 |
PROBLEM TO BE SOLVED: To change the characteristics of a seismic isolator supporting the building according to the characteristics of disturbance acting on the building and the increase or decrease of the weight of the building.SOLUTION: A seismic isolator includes a seismic isolation supporter including a laminated rubber supporting a structure, and rigidity change means which changes the rigidity characteristics of the seismic isolation supporter according to the characteristics of disturbance acting on the structure, or the increase or decrease of the weight of the building. |
