100〜180N/mm^2の超高強度コンクリートを用いた鉄筋コンクリート柱の圧縮特性

概要

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Structural experiments of reinforced concrete columns were carried out using concrete with compressive strength of 100 to 180 N/mm^2, lateral reinforcement with nominal yield strength of 1275 N/mm^2 and longitudinal reinforcement with nominal yield strength of 685 N/mm^2. Those columns were tested under monotonic or cyclic centric compressive loads. From those tests it is found that lateral reinforcement of high strength steel enhances the compressive strength of the columns and improves the ductility of the high strength concrete with compressive strength of 100 to 180 N/mm2 effectively. Also from these results, the previously proposed stress-strain model of the confined concrete can be reevaluated as for the high strength concrete with compressive strength of 100 to 180 N/mm^2.
社団法人日本建築学会の論文
2004-03-30