OPERATIONAL MODAL ANALYSIS OF A HIGH RISE RC BUILDING AND MODELLING

被引：0
|
作者：
Lorenzo, Guillermo Fernandez [1 ]
Mercerat, Diego [2 ]
D'Avila, Maria Paola Santisi [3 ]
Bertrand, Etienne [2 ]
Deschamps, Anne [1 ]
机构：
[1] Univ Nice Sophia Antipolis, Geoazur, Nice, France
[2] CEREMA, Lab Nice, Dir Ter Mediterranee, Nice, France
[3] Univ Nice Sophia Antipolis, Lab Jean Alexandre Dieudonne, Nice, France
来源：
6TH IOMAC: INTERNATIONAL OPERATIONAL MODAL ANALYSIS CONFERENCE PROCEEDINGS | 2015年
关键词：
Tall building; System identification; Ambient vibration; Operational Modal Analysis; Frequency Domain Decomposition; Random Decrement Technique; Finite Element Method;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Analysis of ambient vibration records enables the dynamic structural behaviour identification trough Operational Modal Analysis (OMA) techniques. This study uses a set of recordings of a 22-storey Reinforced Concrete (RC) building in Nice (France), where no remarkable damages are detected since it is instrumented. Signals acquired using accelerometers and velocimeters are compared in different frequencies ranges. The main goal is to extract dynamic parameters (natural frequencies, mode shapes and damping) of the building using different OMA techniques: Basic Frequency Domain (BFD), Frequency Domain Decomposition (FDD) and Random Decrement Technique (RDT). Obtained results are then compared to those provided by a Finite Element Model (FEM).
引用
收藏
页码：139 / 147
页数：9
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