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首页> 外文期刊>Engineering Structures >Expansion of a static analysis-based out-of-plane maximum inelastic seismic response estimation method for steel arch bridges to in-plane response estimation
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Expansion of a static analysis-based out-of-plane maximum inelastic seismic response estimation method for steel arch bridges to in-plane response estimation

机译:基于静态分析的钢拱桥面外最大非弹性地震响应估计方法扩展至面内响应估计

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摘要

We have previously proposed a static analysis-based method for estimating the maximum out-of-plane inelastic seismic response of upper-deck steel arch bridges. The method is developed on the basis of the numerical examinations of 6 upper-deck steel arch bridge models. It employs free vibration analysis, response spectrum method and equal energy assumption for the estimation of maximum out-of-plane response. Correction functions are proposed to modify the estimates by the equal energy assumption. In the current study, applicability of the same procedure to the estimation of maximum in-plane response is discussed. It is found that the method can be used also for the maximum in-plane response estimation by only modifying the pushover analysis procedure. The validity of the method is demonstrated for the same parametric models through further numerical evaluations.
机译:我们之前已经提出了一种基于静态分析的方法,用于估算上层钢拱桥的最大面外非弹性地震响应。该方法是在对6个上层钢拱桥模型进行数值检验的基础上开发的。它采用自由振动分析,响应谱方法和等能量假设来估算最大平面外响应。提出了校正函数以通过等能量假设来修改估计。在当前的研究中,讨论了相同程序在最大面内响应估计中的适用性。发现该方法还可以通过仅修改推覆分析程序而用于最大平面内响应估计。通过进一步的数值评估证明了该方法对相同参数模型的有效性。

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