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SEISMIC RETROFIT FOR EXISTING R/C BUILDING USING ENERGYDISSIPATIVE BRACES

机译:使用耗能支撑的现有R / C建筑的地震改造

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The authors propose the method of attaching the energy dissipative brace in the building exterior forpurpose of the seismic retrofitting for existing R/C buildings. It is a simple method to attach a bracingjust on the building facade by means of the steel plates fixed to the facade with steel bars for prestressedconcrete. This method is economically feasibly , since it requires no steel frames to attach the bracing.However, considering the bracing to stick out of building facade, it is necessary to take into considerationnot only the strength and the rigidity of the brace-end connection but also a torsion introduced into thebeam end.In this paper, the vibration control effect is discussed according to the amount of story drift angle as wellas the collapse type of the R/C frame under the cyclic loading; the loading tests of the bracing installedinto R/C frame were conducted, and horizontal cyclic load was applied to the frame.
机译:作者提出了在建筑物外部连接消能支撑的方法,以对现有的R / C建筑物进行抗震改造。通过将预应力混凝土用钢筋固定在建筑立面上的钢板将支撑装置固定在建筑立面上是一种简单的方法。这种方法在经济上是可行的,因为它不需要钢框架来固定支架。但是,考虑到支架要从建筑物外墙伸出,不仅要考虑支架末端连接的强度和刚度,而且还要考虑到本文根据层间位移角的大小以及循环荷载作用下R / C框架的塌陷类型,对振动控制效果进行了探讨。进行了安装在R / C框架上的支撑的荷载测试,并对框架施加了水平循环荷载。

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  • 会议地点 Vancouver(CA);Vancouver(CA)
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    JFE R&D Corporation Kawasaki Kanagawa Japan. Email: t-ishii@jfe-rd.co.jp;

    Tokyo University of Science noda Chiba Japan. Email: mukai@rs.noda.tus.ac.jp;

    Tokyo University of Science noda Chiba Japan. Email: kita-h@rs.noda.tus.ac.jp;

    Kawatetsu Bridge and Steel Structure Corporation Taito-ku Tokyo Japan. Email: tak-shimizu@kawatetsu-bs.co.jp;

    JFE Steel Corporation Chiyoda-ku Tokyo Japan. Email: ka-fujisawa@jfe-steel.co.jp;

    Tokyo University of Science noda Chiba Japan. Email: j7102605@ed.noda.tus.ac.jp;

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