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JP2011122602A Multi-stage base isolation device 有权
标题翻译：多级基站隔离设备
公开(公告)号：JP2011122602A
公开(公告)日：2011-06-23
申请号：JP2009278186
申请日：2009-12-08
申请人： Chubu Electric Power Co Inc , Kajima Corp , 中部電力株式会社 , 鹿島建設株式会社
发明人： FURUKAWA SHIGERU , KUNO MICHIYA , SHIMAMOTO RYU , TAKENAKA YASUO , KONDO AKIHIRO , AKIOKA TAMIYASU , SATO OSAMI , TAKAOKA EIJI
IPC分类号： F16F15/02 , E04B1/36 , E04H9/02 , F16F1/40 , F16F15/04
摘要： PROBLEM TO BE SOLVED: To provide a multi-stage base isolation device which more efficiently and rationally suppresses a tremor that affects a heavy construction and the like at the time of an earthquake and avoids damage and the like of the construction in the multi-stage base isolation device made up of unit base isolation devices and connection members. SOLUTION: In the multi-stage base isolation device in which plural pieces of laminated rubbers 2 per stage are arranged in multiple stages via the connection members 3, the laminated rubbers 2 of the upper stage and the laminated rubbers 2 of a lower stage are arranged so as to be displaced from each other and their plane cross sections are made to overlap partially. By making the plane cross sections of the laminated rubbers 2 of the upper and lower stages overlap partially, stress is transmitted in the vertical direction from the laminated rubbers 2 of the upper stage to the laminated rubbers 2 of the lower stage via the connection members 3. The device is excellent in stability because the overlapped portions transmit the stress in the vertical direction straight. In addition, a difference of dynamic characteristics in the horizontal direction can be made small as plane cross sections of the laminated rubbers 2 are displaced in the upper and lower stages. Thus, directivity can be eliminated and efficient base isolation becomes possible. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种多级基体隔离装置，其能够更有效地合理地抑制在地震时影响重型构造等的震颤，并且避免了在地震中的构造的损坏等多级基座隔离装置由单元基座隔离装置和连接构件组成。解决方案：在多级基体隔离装置中，通过连接构件3，多级层叠橡胶2以多级配置，上层的层叠橡胶2和下层的层叠橡胶2 布置成彼此移位并使它们的平面横截面部分重叠。通过使上层和下层的层叠橡胶2的平面截面部分重叠，通过连接构件3将应力从上层的层叠橡胶2向下层的层叠橡胶2沿垂直方向传递该装置的稳定性优异，因为重叠部分将垂直方向的应力直线传递。此外，当层压橡胶2的平面截面在上段和下层位移时，可以使水平方向上的动态特性的差异较小。因此，可以消除方向性，并且有效的基极隔离成为可能。版权所有（C）2011，JPO＆INPIT

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