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太径鉄筋リバーコンD51を用いた現場継手の強度試験

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川崎製鉄技報 KAWASAKI STEEL GIHO

Vol.8 (1976) No.2

太径鉄筋リバーコンD51 を用いた現場継手の強度試験

Experimental Studies on Joints of Large-Diameter Deformed Bar RIVER CON D51 佐藤 政勝(Masakatsu Sato) 村木 幸春(Yukiharu Muraki)

要旨 : 太径鉄筋リバーコンD51 を現場において接続する場合,使用条件に適した継手法を選定す ることが必要である。従来の継手法としては重ね継手,ガス圧接継手などがあるが,この ほかに機械的な接続法が最近開発され,使用されている。本研究は,ガス圧接継手と機械 的な接続法として実用化されているグリップジョイント,TS 式スリーブジョイント,カド ウェルドスプライスなどの性能を調査するため静的試験と疲労試験を行い荷重-伸び曲線を 求め,疲労試験では 200 万回疲労強度振幅を推定したものである。試験の結果,設計の目 安となる試料を得ることができた。 Synopsis :

In jointing large diameter deformed bar at construction site, it is particularly important to judge the most appropriate method in accordance with the practical condition. In order to satisfy this requirement, load-elongation curves and fatigue stress ranges at two million cycles have been measured not only on a conventional gas but welded joint but also on such recently developed mechanical joints as Grip Joint, TS-type Sleeve Joint and Cad Weld splice. Some available data for design specification were obtained from these measurements.

(c)JFE Steel Corporation, 2003

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