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Evaluation of Equivalent Single-degree-of-freedom Method for Nonlinear Dynamic Response Analysis of Embankments

机译:堤防非线性动力响应分析等效单度自由度方法的评价

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A static push-over analysis method was used to assess nonlinear behavior of embankments. Then, based on the results of the analysis, a simple method for carrying out nonlinear seismic response analysis of an embankment using an equivalent-single-degree-of-freedom model was proposed. Seismic responses of embankments calculated using the proposed method agreed well with those obtained using the two-dimensional finite element method. This confirmed the validity of the proposed simple method for evaluating seismic behaviors.The proposed method enables the dynamic responses of embankments to be evaluated easily compared to the conventional two-dimensional finite element method. The method is thus considered an efficient and expedient procedure for evaluating the seismic responses of lengthy railway embankments.
机译:静态推挽分析方法用于评估堤防的非线性行为。然后,基于分析的结果,提出了一种使用等效自由度模型进行堤防非线性地震反应分析的简单方法。使用所提出的方法计算的堤防的地震反应与使用二维有限元法获得的那些相同。这证实了所提出的简单方法来评估地震行为的有效性。所提出的方法使得能够轻松地评估与传统的二维有限元方法进行评估的动态响应。因此,该方法被认为是评估冗长的铁路堤的地震反应的有效和方便的过程。

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