構造特性のばらつきが地震応答量に与える影響に関する研究 : その1 弾性周期の変動と応答スペクトルの関係

概要

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Dynamic response analysis is one of the most effective methods to understand the structural behavior during earthquakes and has been waidely used. It is, however, often difficult to determine structural characteristics which are used in the analysis due to their uncertainties. In this paper, the relationship between the response spectrum and the variation of natural period of structures which is one of the most fundamental factors is investigated. The findings can be summarized as follows; (1) The variation of natural period smoothes the response specturm. (2) The variation of structural response can be larger than that of structural period. (3) The structural response can be magnified due to the variation of the natural period.
1995-03-20