Rubber reinforced seismic mitigation and isolation support: Fid-Bau Portal

Rubber reinforced seismic mitigation and isolation support

YAN BIN / PENG GUANGDA / CHENG HAO

The invention discloses a rubber reinforced seismic mitigation and isolation support which is formed by connecting a seismic mitigation and isolation support system and a rubber reinforcing system in parallel, the seismic mitigation and isolation support system is formed by connecting an upper seat plate, a support body and a lower seat plate from top to bottom, and the rubber reinforcing system is composed of a rubber plate and a connecting steel plate. The connecting steel plate is connected with the upper seat plate and the lower seat plate through connecting bolts, the upper seat plate is connected with an upper structure of a bridge through anchor bolts, and the lower seat plate is connected with a lower structure of the bridge through anchor bolts. Therefore, the longitudinal seismic displacement of the bridge is limited, and the anti-falling performance of the bridge is improved.

本发明公开了一种橡胶加强型减隔震支座，该支座由减隔震支座系统与橡胶加强系统并联而成，所述减隔震支座系统由上座板、支座本体、下座板自上而下连接而成，所述橡胶加强系统由橡胶板、连接钢板组成，所述连接钢板与上座板及下座板采用连接螺栓连接，所述上座板采用锚固螺栓与桥梁上部结构连接，所述下座板采用锚固螺栓与桥梁下部结构连接，本发明设计巧妙，可根据设计需要提高常规减隔震支座的纵桥向刚度，进而限制桥梁的纵桥向地震位移，提高桥梁的防落梁性能。

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