INFLUENCE OF PHASE CHARACTERISTICS OF INPUT GROUND MOTION ON SEISMIC RESPONSE OF LOW-MIDDLE-RISE OFFICE BUILDINGS
Keita SAITO, Shoji NAKAZAWA
The purpose of this paper is an analysis in assessing the damage of a building when the durability of the structure changes. The target structure is a steel-framed medium and low-rise office building. In this paper, Qu/Qun (the horizontal load bearing capacity Qu / the required held horizontal yield strength Qun) and phase characteristics of seismic motion σtgr are set as analysis parameters. In this study, the response values are evaluated by seismic response analysis, and the calculated maximum response values are analyzed. Building criteria were set for the interlaminar deformation angle, residual deformation angle, and member rupture of the building, and a seismic performance evaluation method was proposed.
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