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Seismic Design Parameters for the Link Column Frame System

机译:链接柱框架系统的抗震设计参数

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The Linked Column Frame (LCF) is proposed as a steel seismic load resisting system consisting of two components: a primary lateral system made up of dual columns interconnected with link beams (denoted linked columns); and a secondary moment frame. Previous research has developed a procedure that ensures the links of the linked columns yield at a significantly lower story drift than the beams of the moment frame, enabling design of this system for three distinct performance states: linearly elastic; rapid repair, where only link damage occurs and quick link replacement is possible; and collapse prevention. This paper discusses additional analyses that have been performed to establish recommended values for seismic design parameters, including the response modification coefficient, R, the system over- strength factor, Ω, and the deflection amplification factor (C_d). A suite of archetype LCF buildings were developed and incremental dynamic analysis was performed according the procedures in FEMA P695.
机译:链接柱框架(LCF)被建议作为一种钢制抗震系统,它由两个部分组成:一个主要的侧向系统,该系统由与连接梁互连的双柱组成(表示为链接柱);和次要的时刻框架。先前的研究已经开发出一种程序,以确保所链接的列的链接在屈服时的位移比力矩框架的梁低得多,从而可以针对三种不同的性能状态设计该系统:快速修复,仅发生链路损坏并且可以快速更换链路;和预防崩溃。本文讨论了为确定抗震设计参数的推荐值而进行的其他分析,这些参数包括响应修正系数R,系统超强度系数Ω和挠度放大系数(C_d)。开发了一套原型LCF建筑物,并根据FEMA P695中的程序进行了增量动态分析。

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