What is the earthquake response spectrum? How do you get response spectrum? What is the response spectrum of structures? What are the response spectra in seismic analysis?
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What is the earthquake response spectrum? How do you get response spectrum? What is the response spectrum of structures? What are the response spectra in seismic analysis?
In seismic analysis, the response spectra are a graphical representation of the response of a structure (plotted in Y-Axis) vs the natural frequency of the structure (plotted in X-Axis) to the input ground motion. The response can be anything displacement, velocity or acceleration. The series of maximum responses of all possible single-degree-of-freedom systems of given damping towards the given ground motion were plotted to get response spectra. It is called spectra because the responses of various single-degree freedom systems having different natural frequencies are plotted in a single graph.