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首页> 外文期刊>Journal of Earthquake Engineering >A Seismic Design Procedure for Moment-Frame Structures
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A Seismic Design Procedure for Moment-Frame Structures

机译:弯矩框架结构的抗震设计程序

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摘要

A procedure for the performance-based seismic design of moment-resistant frames is presented. The design procedure utilizes an estimate of the yield displacement of the roof in conjunction with yield point spectra to determine the required lateral strength. Beam strengths are established using a plastic mechanism approach, while a modified Portal Frame method is used to establish the strengths of critical sections of columns, considering the locations of inflection points and the desire to avoid weak-story mechanisms. An example illustrates the application to reinforced concrete frames. Due to the stability of the yield displacement, few (if any) iterations are needed.
机译:提出了一种基于性能的抗弯框架抗震设计方法。设计程序利用屋顶屈服位移的估计值与屈服点谱一起确定所需的横向强度。梁强度是通过塑性机制方法确定的,而考虑到拐点的位置以及避免弱故事机制的需要,采用了改进的门框法来确定柱子关键部分的强度。一个例子说明了在钢筋混凝土框架上的应用。由于屈服位移的稳定性,几乎不需要(如果有的话)迭代。

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