Prof Otani's classic paper: Hysteresis Models of RC

[Sumatra]

Prof Otani's classic paper: Hysteresis Models of Reinforced Concrete for
Earthquake Response Analysise

Author: Prof. S. Otani | Size: ~7 MB | Format: PDF | Publisher: Univ. Tokyo | Year: 1981 | pages: 28

ABSTRACT

Various hysteresis models for the reinforced concrete, especially simulating dominantly flexural behavior, are described: (a)Degrading Bilinear model, (b) Ramberg-Osgood model, © Clough model, (d) Bilinear Takeda model, (e) Takeda model, and (f) Hisada model, and (g) Degrading Trilinear model. Two types of damping are considered in the analysis; i.e., (a) constant mass-proportional damping and (b) varying instantaneous stiffness proportional damping. Hysteresis energy dissipation index is defined to quantify the fatness of a hysteresis loop.

The effect of different stiffness parameters on earthquake response of single-degree-of-freedom systems is studied. By choosing stiffness properties and hysteretic energy dissipation capacity as similar as possible, the effect of different hysteresis models on earthquake response waveforms and amplitudes
in investigated.

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