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Seismic Retrofitting for Existing R/C Buildings Using Buckling-Restrained Tube-in-Tube Energy Dissipative Braces

机译:使用屈曲约束的管状耗能支架对现有R / C建筑物进行抗震改造

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摘要

A New method of seismic retrofitting for existing R/C buildings is proposed by which energy dissipative braces are attached to the building exterior. Followings are results of the experiment; (1) The method shows better damping effect. The torsional deformation at the beam end has a large effect on the seismic performance. (2) An effective factor for local torsional deformation is specified by identifying failure mode at the beam end. An evaluation formula for the connecting beam is verified by the experimental result. Finally, prediction model the required strength of the braces is proposed.
机译:提出了一种对现有R / C建筑物进行地震加固的新方法,该方法通过在建筑物的外部安装耗能支架。以下是实验结果; (1)该方法显示出更好的阻尼效果。梁端的扭转变形对抗震性能影响很大。 (2)通过确定梁端的破坏模式来确定局部扭转变形的有效因素。实验结果验证了连接梁的评估公式。最后,提出了所需支撑强度的预测模型。

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