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首页> 外文期刊>Bulletin of earthquake engineering >Seismic assessment of a benchmark based isolated ordinary building with soil structure interaction
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Seismic assessment of a benchmark based isolated ordinary building with soil structure interaction

机译：土壤结构互动基于基于基于基于基准的普通建筑的地震评估

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摘要

Base isolation (BI) has been applied all over the world as a well-known technique in order to reduce the destroying effects of earthquakes. Even if many researches have been published on this issue, few contributions have been focused on the effects that soil-structure interaction (SSI) can have on isolated buildings. In this regard, the paper aims at simulating the SSI effects on a residential structure by performing 3D numerical simulations. The soil is described with non-linear hysteretic materials and advanced plasticity models. The paper applies the open-source computational interface OpenSeesPL, implemented within the finite element code OpenSees. The interface performs the 3D spatial soil domain, boundary conditions and input seismic excitation with convenient post-processing and graphical visualization of results (including deformed ground response time histories). The proposed approach enables to drive the assessment of isolation technique with evaluation of soil non-linear response into a unique twist. Therefore, the paper aims at assessing the cases where BI becomes detrimental. In particular, the model of the structure allows us to assess the structural performance, calculating accelerations and displacements at various heights. Consequently, this study can be considered one of the few attempts to propose new design considerations for engineers and consultants.
机译：基本隔离（BI）已全世界应用于众所周知的技术，以减少地震的破坏效果。即使在这个问题上发表了许多研究，少数贡献已经专注于土壤结构互动（SSI）可以在孤立的建筑物上的影响。在这方面，本文旨在通过执行3D数值模拟来模拟对居住结构的SSI效应。用非线性滞后材料和先进的可塑性模型描述了土壤。本文应用了开源计算接口OpenSeespl，在OpenSeess内实现。该界面通过方便的后处理和结果的图形可视化进行3D空间土壤域，边界条件和输入地震激发（包括变形地面响应时间历史）。所提出的方法可以通过评估土壤非线性反应的评估来推动分离技术的评估。因此，本文旨在评估BI变得有害的情况。特别地，该结构的模型允许我们评估各种高度的结构性能，计算加速度和位移。因此，本研究可被认为是为工程师和顾问提出新设计考虑的少数尝试之一。

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