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首页> 外文期刊>Bulletin of earthquake engineering >Experimental study in the shaking table of the input motion characteristics in the dynamic SSI of a SDOF model
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Experimental study in the shaking table of the input motion characteristics in the dynamic SSI of a SDOF model

机译：SDOF模型的动态SSI在振动台中输入运动特性的实验研究

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In conventional seismic design the capacity of the system is generally exploited only at the superstructure level. However, soil non-linearity as well as soil-foundation interface non-linearity can be crucial in the seismic response of structures. The results of tests performed on physical models allow the main aspects of these interaction mechanisms to be identified and also provide a benchmark for subsequent theoretical or numerical analyses. The present paper deals with two shaking table tests performed at the University of Bristol's EERC laboratory. The tests were performed on a physical model consisting of a Leighton Buzzard sand deposit and a one-storey steel model structure. Some of the test results are presented and discussed in terms of acceleration and displacement responses. Both time-and frequency-domain representations were adopted to highlight the influence of the frequency and amplitude of the input motion on the coupled and/or uncoupled response of the tested soil-structure system, as well as the effect of soil non linear behaviour.
机译：在常规地震设计中，通常仅在上层建筑水平上利用系统的能力。但是，土壤非线性以及地基界面非线性在结构的地震响应中可能至关重要。在物理模型上执行的测试结果可以识别这些相互作用机制的主要方面，并为后续的理论或数值分析提供基准。本文讨论了在布里斯托大学EERC实验室进行的两次振动台测试。测试是在由Leighton Buzzard砂矿床和一层钢模型结构组成的物理模型上进行的。一些测试结果是根据加速度和位移响应进行介绍和讨论的。时域和频域表示法都被用来强调输入运动的频率和幅度对被测土-结构系统的耦合和/或非耦合响应的影响，以及土壤非线性行为的影响。

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