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英语翻译2.INCREMENTAL DYNAMIC ANALYSISIncremental Dynamic Analys

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英语翻译
2.INCREMENTAL DYNAMIC ANALYSIS
Incremental Dynamic Analysis is a parametric method where a structure is subjected to a series
of non-linear ground motion time-histories of increasing intensity [4],with the objective of
attaining an accurate indication of the actual dynamic response of a structure subjected to
earthquake action.Comparison between results of incremental dynamic analysis and pushover
analysis can be made,for instance,in terms of a base shear-top displacement relationship.Each
IDA point is evaluated by selecting maximum top displacement reached during each dynamic
analysis and corresponding maximum base shear inside a temporal interval of ±0.5 seconds.
Although mean value curve obtained from points corresponding to different dynamic analyses is
not a base shear-top displacement relations,it can be considered a significant statistic trend,that
pushover analysis wants to reproduce.In the present study,The input for dynamic analyses are
four spectrum-compatible artificial accelerograms (results are indicated as AR-1,AR-2,AR-3,
AR-4).The response spectrum from [5],has been employed,considering seismic zone class 2 and
ground type B.
将英语译成中文(简体)
增量动力分析
增量动力分析是一种参数化方法,其中一种结构是受到了一系列
非线性地面运动的时间增加强度的历史[4],与目标
争取到的实际遭受一个准确地反映结构的动力响应
地震作用.比较增量动态分析和推覆结果
可分析,例如,在基础剪顶位移关系方面.每个
国际开发协会的一点是选择评价最高顶点位移达到在每个动态
分析及相应的内为±0.5秒的时间间隔最大基底剪力.
虽然平均点值曲线获得对应不同的动态分析是
不是基剪顶位移的关系,它可以被视为一个重要的统计趋势,即
Pushover分析希望重现.在本研究中,输入的动态分析
四频谱兼容人工加速度(结果为受体- 1所示,氩- 2,氩- 3,
受体- 4).从[5]反应谱,已受聘,考虑到地震带,2级和
B型地面