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Equivalent viscous damping for yielding structures
Application of concept of equivalent viscous damping to steady-state response of simple yielding structures subjected to sinusoidal excitation; using elastoplastic oscillator, it is shown that results differing by several hundred percent can be obtained, depending on way that resonant frequency shift characteristic of yielding response is modeled; results of simple amplitude matching produce most useful equivalent damping for most purposes, and it is shown that this approach is meaningful also for earthquake response; when applied to elastoplastic oscillator, this technique gives maximum value of 15.9% equivalent damping for steady-state response to sinusoidal excitation.
Equivalent viscous damping for yielding structures
Application of concept of equivalent viscous damping to steady-state response of simple yielding structures subjected to sinusoidal excitation; using elastoplastic oscillator, it is shown that results differing by several hundred percent can be obtained, depending on way that resonant frequency shift characteristic of yielding response is modeled; results of simple amplitude matching produce most useful equivalent damping for most purposes, and it is shown that this approach is meaningful also for earthquake response; when applied to elastoplastic oscillator, this technique gives maximum value of 15.9% equivalent damping for steady-state response to sinusoidal excitation.
Equivalent viscous damping for yielding structures
ASCE -- Proc (J Eng Mechanics Div)
Jennings, P.C. (Autor:in)
1968
14 pages
Aufsatz (Zeitschrift)
Englisch
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