- 摘 要
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谷雅敏
（中鐵二十一局一公司，烏魯木齊830011）[摘要] 梁式橋鉛芯橡膠支座聯(lián)合三角形鋼板減、隔震消能組合裝置設(shè)計，根據(jù)結(jié)構(gòu)減、隔震機理，由鉛芯橡膠支座承受主要的豎向荷載，并采用具有一定自恢復(fù)力的彈塑性減震耗能裝置三角形鋼板與之并聯(lián)使用，該梁式橋減、隔震裝置既充分發(fā)揮了鉛芯橡膠支座豎向承載力高的優(yōu)勢，又利用彈塑性減震耗能裝置和鉛芯橡膠支座阻尼來耗散地震能量，有效地限制墩梁間的相對位移，減震效果達70%，位移減小50%。對地震后盡快恢復(fù)橋梁的交通具有重要的意義。
[關(guān)鍵詞] 梁式橋；減、隔震裝置；設(shè)計Isolator devices design of Beam Bridge by isolator
Gu Yamin
(China railway 21 bureau group, First engineering Co., Ltd., Urumqi 830011, China)Abstract: Beam Bridge joint lead-rubber bearing isolation by triangular plate energy dissipation design portfolio According to the structure of the mechanism by isolation, by the LRB to bear the main vertical load, and the use of a certain self-restoring force ofthe elastic-plastic energy damping device in parallel with the use of triangular plate, and give full play to both the lead-rubber support Block, the advantages of vefflcal bearing capacity of the high and the use of elastic-plastic energy damping devices and lead rubber bearing damping to dissipate seismic energy, effectively limit the pier relative displacement between the beams, damping effect of up t0 70%, 50% reduced displacement. On the bridge after the earthquake as soon as possible the traffic is important.
Keywords: Beam Bridge; isolation; devices; design
