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首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Methods for practice-oriented linear analysis in seismic design of Cross Laminated Timber buildings
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Methods for practice-oriented linear analysis in seismic design of Cross Laminated Timber buildings

机译：交叉层压木材建筑抗震设计中以实践为导向的线性分析方法

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摘要

In the context of innovative seismic-resistant structures, Cross Laminated Timber (CLT) construction holds an important position at a global level, supported by important full-scale tests and studies of the non-linear behaviour of these structures for severe events, demonstrating excellent performance. The present study aims to transfer current knowledge in the form of modelling approaches applicable to design engineers presenting tools and methodologies pertinent to the daily procedures of professional practice, thus relating to linear static and dynamic analyses. Two different approaches of structural modelling are presented, validated and compared; one that is based on a distributed representation of the connections between the structural panels and a second that is based on a discrete representation. Both models are validated by comparing the time-history responses with the full-scale shake-table test results of a 3-storey CLT structure under three earthquakes, showing in both cases a reliable estimate of the structural response. Finally, a parametric study for the damping coefficient of the structural response is presented and the typical value of 5% is evaluated. It is shown that values greater than 5% can be more applicable in order to compensate for the influence of the friction developed primarily between wall and floor panels on the global energy dissipation capacity of the structure.
机译：在创新的抗震结构的背景下，交叉层压木材（CLT）结构在全球范围内占有重要地位，并通过重要的全面测试和对这些结构在严重事件中的非线性行为的研究得到支持，这表明了性能。本研究旨在以适用于设计工程师的建模方法的形式来传递当前的知识，这些方法可为设计工程师提供与日常专业实践相关的工具和方法，从而涉及线性静态和动态分析。提出，验证和比较了两种不同的结构建模方法;一种基于结构面板之间连接的分布式表示，另一种基于离散表示。通过将时程响应与3层地震中3层CLT结构的全尺寸振动台测试结果进行比较，验证了这两个模型，在两种情况下均显示了结构响应的可靠估计。最后，对结构响应的阻尼系数进行了参数研究，并评估了5％的典型值。结果表明，大于5％的值可能更适用，以补偿主要在墙板和地板之间产生的摩擦对结构的整体能量消散能力的影响。

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