Conference Publication Details
Mandatory Fields
Jamie Goggins, Biswajit Basu, Brian M. Broderick, Ahmed Y. Elghazouli
Proceedings of the 3rd European Workshop on Structural Health Monitoring
Wavelet-based analysis of concentrically braced frames subjected to earthquake loading.
2006
July
Published
1
()
Optional Fields
Wavelet analysis Wavelets Steel Structures Structural engineering Seismic Earthquake engineering Brace Concentrically braced frames Earthquakes Vibration Ground motion
Granada (Spain)
05-JUL-06
07-JUL-06
A time-frequency tool based on wavelet analysis is employed to investigate the dynamic responses of concentrically-braced frames tested in shake table tests. It is shown that the application of wavelet analysis allows yielding and buckling events to be detected from a limited set of measurements, namely ground and building floor accelerations. This is achieved by comparing frequency-banded wavelet coefficients of the ground motion, elastic frame response and inelastic frame response, and by evaluating the corresponding energy contributions of the different frequency bands.
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