漸増捩り変形性状に着目した1層非対称Z型NCブレース架構の振動台実験

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  • Shaking table tests on single-story anti-symmetric Z-type NC braced frame focusing on one-directional incremental torsional deformation behavior
  • ゼンゾウ ヨジリ ヘンケイ セイジョウ ニ チャクモク シタ 1ソウ ヒタイショウ Zガタ NC ブレースカコウ ノ シンドウダイ ジッケン

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An anti-symmetric Z-type NC braced frame is proposed by the authors. This structural system has an advantage that elastic strain energy absorption capability due to one directional incremental distortional deformation in a small earthquake decreases seismic response of the structure without any damage. In this paper, one-story and one-span model specimen is employed and shaking table test and numerical analysis are carried out to examine fully the incremental distortional deformation behavior. Elastic-plastic restoring force characteristics of the braced structures and experimental results are discussed in comparison with the analytical results.

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