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Correlating measured and simulated dynamic responses of a tall building to long-distance earthquakes

机译：将高层建筑对远程地震的实测和模拟动力响应进行关联

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For almost a decade, a 66-storey, 280 m tall building in Singapore has been instrumented to monitor its dynamic responses to wind and seismic excitations. The dynamic characteristics of the tall building have been investigated via both the finite element method and the experimental modal analysis. The properties of the finite element model have been shown to correlate well with those derived from the data recorded during the ambient vibration tests. During the study period, 21 sets of earthquake ground motions have been recorded at the building site. The basement motions may be divided into three categories based on their predominant frequency components with respect to the building's fundamental frequency. The calibrated three-dimensional finite element model is employed to simulate the seismic response of the tall building. Correlation analysis of the time histories between the recorded data and the simulated results has been carried out. The correlation analysis results show that the simulated dynamic response time histories match well with those of the recorded dynamic responses at the roof level. The results also show that the simulated maximum response at the roof level is close to the peak response recorded during the earthquakes.
机译：近十年来，新加坡一座66层，280 m高的建筑被用来监视其对风和地震激励的动态响应。通过有限元方法和实验模态分析研究了高层建筑的动力特性。有限元模型的特性已显示出与在环境振动测试期间从记录的数据中得出的特性紧密相关。在研究期间，在建筑工地记录了21组地震地震动。根据地下室运动相对于建筑物基本频率的主要频率成分，可以将其分为三类。使用校准的三维有限元模型来模拟高层建筑的地震响应。对记录的数据与模拟结果之间的时间关系进行了相关分析。相关分析结果表明，模拟的动态响应时间历程与屋顶水平的动态响应记录相吻合。结果还表明，在屋顶水平处模拟的最大响应接近地震期间记录的峰值响应。

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