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本文详细阐述了如何经由简谐波振动的试验结果来推求实际结构的地震反应。建议采用两个地震比例系数,谱速度比例系数Kvi和谱加速度比例系数Kaj。这样,要模拟任何一次实际地震,只要知道了该地震的谱值,就很容易从试验结果求出结构的实际地震反应。富有兴趣的是这两个系数也可以从理论上加以估算。这样,可以直接校核试验结果的可靠性。另外,对于地震谱密度和任意地震波试验也作了扼要的介绍。 文末,简要介绍了两个模型试验成果及数据处理中应注意的问题。
This paper elaborates how to deduce the seismic response of the actual structure via the experimental results of harmonic vibration. Proposed to use two seismic scale factor, spectral velocity scale factor Kvi and spectral acceleration scale factor Kaj. Thus, to simulate any actual earthquake, as long as the spectrum of the earthquake is known, it is easy to find the actual seismic response of the structure from the experimental results. Interestingly, these two coefficients can also be theoretically estimated. In this way, the reliability of the test results can be checked directly. In addition, the seismic spectral density and arbitrary seismic wave test also made a brief introduction. At the end of this article, we briefly introduce the results of two model tests and the problems that should be paid attention to in data processing.