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发明公开
CN103790254A 钢铅叠层环形阻尼器 失效 - 权利终止

钢铅叠层环形阻尼器
摘要：
本发明公开一种钢铅叠层环形阻尼器。它包括软钢耗能筒、铅耗能筒以及钢支撑，其软钢耗能筒和铅耗能筒交替叠层放置构成耗能筒；方筒形的连接板将耗能筒的耗能部位箍住，四个连接板相对于耗能筒的中心两两对称，并构成一个“X”型，带有螺孔的各固定板分别与各连接板固连。本发明的优点效果在于钢铅叠层环形阻尼器初始刚度较大，材料屈服分散面积大，无明显应力集中现象，软钢耗能筒和铅耗能筒具有较好的协调性，材料利用率高、耗能效果好、同时钢铅叠层环形阻尼器的制作安装简单、使用方便，既可以用于新建建筑工程的抗震设计，也可以用于已有工程的加固维修。
摘要（英）：

The invention discloses a steel and lead laminated annular damper comprising soft steel energy dissipation barrels, lead energy dissipation barrels and steel supports. The soft steel energy dissipation barrels and the lead energy dissipation barrels are alternatively laminated to form an energy dissipation barrel. The energy dissipation portion of the energy dissipation barrel is hooped by four square-cylinder-shaped connecting plates, the four connecting plates are symmetrical pairwise relatively to the center of the energy dissipation barrel and form an 'X' shape, and fixed plates with screw holes are connected with the connecting plates respectively. The steel and lead laminated annular damper is high in stress concentration, large in material yield dispersion area, free of obvious stress concentration, good in coordination of the soft steel energy dissipation barrels and the lead energy dissipation barrels, high in material utilization rate, good in energy dissipation effect, simple to produce and mount and convenient to use, can be used for seismic design of new construction projects and can also be used for consolidation maintenance of existing projects.

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