Abstract

To investigate the behavior of components and piping systems subjected to seismic loadings, the maximum restoring forces and maximum deformations of inelastic single-degree-of-freedom (SDOF) systems due to harmonic excitations and seismic floor motions are calculated and presented as diagrams. These systems have restoring forces characterized by a bilinear skeleton curve of a kinematic hardening rule. The diagrams show two types of characteristics, based upon which sinusoidal loadings can be categorized into force- and displacement-controlled loadings, and seismic loadings can be categorized into force- and displacement-dominant loadings, which are newly proposed herein. The characteristics of force- and displacement-dominant loadings are almost equal to those of force- and displacement-controlled loadings, respectively.

Issue Section:
Seismic Engineering
Topics:
Deformation, Displacement, Waves, Yield strength, Piping systems, Stress

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