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首页> 外文期刊>The structural design of tall buildings >COLLAPSE RISK OF TALL STEEL MOMENT FRAME BUILDINGS WITH VISCOUS DAMPERS SUBJECTED TO LARGE EARTHQUAKES: PART I: DAMPER LIMIT STATES AND FAILURE MODES OF 10-STOREY ARCHETYPES
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COLLAPSE RISK OF TALL STEEL MOMENT FRAME BUILDINGS WITH VISCOUS DAMPERS SUBJECTED TO LARGE EARTHQUAKES: PART I: DAMPER LIMIT STATES AND FAILURE MODES OF 10-STOREY ARCHETYPES

机译：遭受大地震的带有阻尼器的高层钢框架结构房屋的倒塌风险：第一部分：阻尼器的极限状态和10层结构的破坏模式

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摘要

The design approach for tall steel moment frame structures with viscous dampers entails sizing steel members per code-level strength forces, and sizing viscous dampers to limit storey drifts. This method has been used extensively in new and retrofit applications. This methodology has resulted in structures that have longer periods than those using the code-designed approach, are economically competitive and have excellent performance in design-level earthquakes. However, the efficacy of this design in extreme events is not well understood because of the lack of limit states data for dampers and the absence of a field or analytical database of such structures subjected to large earthquakes. Mathematical modelling of viscous dampers with limit states was developed, correlated with experimental results and then used to analyse 10-storey archetypes. This analysis showed that the design had satisfactory performance during extreme seismic events. There were significant improvements in reducing collapse hazard by using an enhanced damper design with an increased damper safety factor.
机译：对于带有粘性阻尼器的高层钢矩框架结构的设计方法，需要按照规范级的强度作用来确定钢构件的尺寸，并确定粘性阻尼器的尺寸以限制楼层漂移。此方法已广泛用于新的和翻新的应用程序中。这种方法导致结构的周期比使用代码设计方法的周期更长，具有经济竞争力，并且在设计级地震中具有出色的性能。但是，由于缺乏减震器的极限状态数据，并且没有此类结构遭受大地震的现场或分析数据库，因此这种设计在极端情况下的功效还没有得到很好的理解。建立了具有极限状态的粘性阻尼器的数学模型，并将其与实验结果相关联，然后用于分析10层原型。分析表明，该设计在极端地震事件中具有令人满意的性能。通过使用增强的减震器设计和增加的减震器安全系数，在减少倒塌危险方面有了重大改进。

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  • 来源
    《The structural design of tall buildings》 |2010年第4期|P.421-438|共18页
  • 作者

    H. KIT MIYAMOTO; AMIR S. J. GILANI; AKIRA WADA; CHRISTOPHER ARIYARATANA;

  • 作者单位

    Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, Japan Miyamoto International, West Sacramento, CA 95691, USA;

    rnMiyamoto International, 1450 Halyard Drive, West Sacramento, CA 95691, USA;

    rnTokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, Japan;

    rnArup Corporation, Formerly University of Illinois at Urbana-Champaign, Edison, NJ, U.S.A.;

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