RC部材端部におけるコンクリートの圧縮特性と曲げ耐力

書誌事項

タイトル別名
  • COMPRESSIVE PROPERTIES OF CONCRETE AND FLEXURAL STRENGTH AROUND CRITICAL SECTION OF REINFORCED CONCRETE MEMBERS
  • RC ブザイ タンブ ニ オケル コンクリート ノ アッシュク トクセイ ト マゲ タイリョク

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抄録

It is known that the prediction of the flexural strength of reinforced concrete columns on the basis of confined concrete stress block is conservative. The purpose of this research is to propose a method in which the flexural strength can be calculated accurately. Stress-strain relationship of concrete around the end of columns is presumed based on the results of compression test, and the flexural strength is calculated on the basis of the stress block. It is compared with previous experimental results of reinforced concrete columns and the validity of the calculation method is confirmed. Some factors are assumed to be variables, and numerical calculation is conducted. Main factor that influences the flexural strength is extracted, and abbreviated calculation method is proposed.

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