Operational modal analysis of an eleven-span concrete bridge subjected to weak ambient excitations - Chen, Ge-Wei; Omenzetter, Piotr; Beskhyroun, Sherif (Engineering structures, 2017)
Keywords: Accelerometers; Algorithms; Ambient vibrations; Bridge decks; Bridges; Concrete bridges; Data recorders; Domain decomposition methods; Dynamic characteristics; Excitation; Feasibility studies; Finite element method; Mathematical models; Modal analysis; Modal identification; Noise; Noise levels; Operational modal analysis; Parameter identification; Ramps; Recorders; Reliability analysis; Roads & highways; Sensors; Spatial discrimination; Spatial resolution; Subspace methods; System identification; Tremors; Vibration; Vibration effects; Vibration measurement; Vibration tests; Vibrations; Weak excitation; Bridges; Modal identification; System identification; Ambient vibrations; Operational modal analysis; Weak excitation