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首页> 外文期刊>European Journal of Environmental and Civil Engineering >Experimental study of the in-plan stiffness of timber floor diaphragms
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Experimental study of the in-plan stiffness of timber floor diaphragms

机译：木地板隔板平面内刚度的试验研究

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摘要

The mechanical behaviour of horizontal diaphragms is an important parameter in the performance of a building undergoing seismic actions. The behaviour of a timber diaphragm is quite complex due to the local effects of its several components including the nailed connections and the unilateral contact. This study focuses on the experimental results of two timber floors with or without struts tested as diaphragms (blocked or unblocked diaphragm). Experimental set-up, instrumentation, material characteristics and the composition of the specimens are presented. Furthermore, the strength, the failure modes and the diaphragm stiffness behaviour while loading and the kinematic of the various components are also reported. The comparison with an analytical approach used to predict the in-plane displacement is performed and discussed. Elementary tests on components are also presented in order to provide the main information on mechanical parameters to be used in further numerical modelling.
机译：水平振动膜片的机械性能是承受地震作用的建筑物性能的重要参数。木质振动膜的性能非常复杂，这是由于其几个组成部分的局部作用，包括钉连接和单边接触。这项研究的重点是在两个有或没有支柱作为隔板测试的木地板上（阻塞或未阻塞的隔板）的实验结果。介绍了实验装置，仪器，材料特性和样品组成。此外，还报告了载荷时的强度，破坏模式和膜片刚度行为以及各个部件的运动学。与用于预测平面内位移的分析方法进行了比较并进行了讨论。还介绍了组件的基本测试，以便提供有关机械参数的主要信息，以用于进一步的数值建模。

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