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首页> 外文期刊>Earthquake Engineering & Structural Dynamics >In-plane quasi-static cyclic tests of nonstructural lightweight steel drywall partitions for seismic performance evaluation
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In-plane quasi-static cyclic tests of nonstructural lightweight steel drywall partitions for seismic performance evaluation

机译：非结构轻钢干壁隔墙的面内准静态循环试验，用于抗震性能评估

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摘要

An experimental program was performed for evaluating the seismic response and fragilities of nonstructural lightweight steel drywall partitions, also considering the interaction with structural elements and other nonstructural building components, ie, outdoor facade walls. Therefore, in-plane quasi-static reversed cyclic tests were carried out on 8 specimens of indoor partition walls infilled in a frame and on 4 specimens of indoor partition walls connected at its ends with transversal outdoor facade walls. Constructive parameters under investigation include type of connections used for connecting the indoor partition walls to the surrounding elements, stud spacing, type of sheathing panels, and type of jointing finishing. The effect of the constructive parameters on the lateral response in secant stiffness and strength is examined. Furthermore, the main damage phenomena observed during the tests are reported and associated to 3 damage limit states distinguished for the required repair level for the tested partition walls. Fragility curves are used for the experimental assessment of seismic fragility of the tested specimens, in accordance with the interstorey drift limits required by the European code. Finally, the quantitative estimation of the repair action costs starting from the damage observation is also developed. The obtained results could be considered a starting point for developing the in-plane seismic design assisted by testing of lightweight steel drywall partition walls.
机译：进行了一个实验程序，以评估非结构轻质钢干墙隔墙的地震响应和脆弱性，还考虑了与结构元素和其他非结构建筑构件（即室外外墙）的相互作用。因此，对填充在框架中的8个室内隔墙标本和两端与横向室外立面墙连接的4个室内隔墙标本进行了平面准静态反向循环测试。研究中的建设性参数包括用于将室内隔断墙连接到周围元件的连接类型，螺柱间距，护套面板的类型以及连接装饰的类型。检验了构造参数对割线刚度和强度的横向响应的影响。此外，还报告了在测试期间观察到的主要损坏现象，并将其与3种损坏极限状态相关联，从而区分了所测试的隔墙的所需维修水平。根据欧洲规范要求的层间漂移极限，使用易碎曲线对被测样品的地震易碎性进行实验评估。最后，还开发了从损坏观察开始的维修成本的定量估计。获得的结果可以被认为是开发平面内抗震设计的起点，该设计通过对轻质钢干墙隔墙的测试来辅助。

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