DYNAMIC RESTORING FORCE CHARACTERISTICS AND MODEL OF REINFORCED CONCRETE COLUMN UNDER VARYING AXIAL LOAD

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  • 変動軸力を受ける鉄筋コンクリート柱の動的復元力特性と動的復元力モデルに関する実験的研究
  • ヘンドウジクリョク オ ウケル テッキン コンクリート チュウ ノ ドウテキ フクゲンリョク トクセイ ト ドウテキ フクゲンリョク モデル ニ カンスル ジッケンテキ ケンキュウ

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Abstract

Dynamic loading tests of reinforced concrete columns (RC columns) under the varying axial load were carried out and the complicated restoring force characteristics including the effects of varying axial load and loading rate have been obtained. On the basis of the test results the dynamic restoring force model of RC column under seismic load is derived. The model expresses the effects of varying axial load and loading rate and can be applied easily to seismic response analysis. It is also ascertained that the presented model is useful by comparing it quantitatively with the dynamic loading test results.

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