| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multistage stepping vibration control structure in which a performance to prevent the destruction of a building is improved. <P>SOLUTION: A lower terminal part of a multi-story earthquake-proof element 1 is rimmed from a foundation 4. A gapped earthquake-proof element 2 being adjacent via a gap 3 within the same structure plane as the multi-story earthquake-proof element 1 is constructed to enable float-up 5 by rimming its lower terminal part from the foundation 4. In the case of a giant earthquake Q3 within a range estimated for the Building Standard Law, a resistance mechanism is switched into the state where the multi-story earthquake-proof element 1 and the gapped earthquake-proof element 2 are integrated, responds through a stepping stance enlarged behavior and presents robustness. In the case of an ultra giant earthquake Q4 out of the estimation for the Building Standard Law, the resistance mechanism is switched into the state where the multi-story earthquake-proof element 1 and the gapped earthquake-proof element 2 are integrated, responds through a stepping stance enlarged float-up behavior, converts earthquake input into great positional energy and presents redundancy, so that a cycle is prevented from being prolonged and a building 10 is prevented from being destroyed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
