[Updated on Apr. 18] Integration of CiNii Articles into CiNii Research

RESTORING FORCE CHARACTERISTICS UP TO ULTIMATE COLLAPSE OF LOW STRENGTH CONCRETE COLUMNS

  • YASOJIMA Akira
    Assistant Prof., Division of Engineering Mechanics and Energy, Faculty of Engineering, Information and Systems, University of Tsukuba, Dr. Eng.
  • ARAKI Hideo
    Prof., Dept. of Architectural Engineering, Faculty of Engineering, Hiroshima Institute of Technology, Dr. Eng.

Bibliographic Information

Other Title
  • 低強度コンクリート柱の崩壊に至るまでの復元力特性
  • 低強度コンクリート柱の崩壊に至るまでの復元力特性 : 低強度コンクリート部材の残存耐震性能に関する研究(その1)
  • テイキョウド コンクリート チュウ ノ ホウカイ ニ イタル マデ ノ フクゲンリョク トクセイ : テイキョウド コンクリート ブザイ ノ ザンソン タイシン セイノウ ニ カンスル ケンキュウ(ソノ 1)
  • — Study on residual seismic performance of RC members with low strength concrete Part 1 —
  • - 低強度コンクリート部材の残存耐震性能に関する研究 その1 -

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Abstract

According to some reports of seismic evaluations of existing reinforced concrete buildings, the presence of RC buildings with low strength concrete has been confirmed. To evaluate residual seismic performance of those RC buildings accurately, it is necessary to clarify the ultimate strength and the restoring force characteristics of low strength concrete members. In this study, half-scale three column specimens with low strength concrete and plain bars were tested until they came up to ultimate collapse. Based on resistance mechanism of RC columns without bond, it was proposed to formulate the flexural strength, the shear strength and the restoring force characteristics up to ultimate collapse of low strength concrete columns. The restoring force characteristics of low strength concrete columns calculated by the proposed method showed a good agreement with experimental results.

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