鉄筋コンクリートはりにおける炭素繊維補強コンクリートの積層補強効果 : 短炭素繊維補強コンクリートはりの曲げ特性に関する研究その1

概要

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Experimental investigations were conducted to clarify the effect of CFRC-clad reinforcements on flexural characteristics of reinforced concrete (RC) beams. Pitch-based high-performance carbon fibers were used for making the CFRC. The CFRC-cladding was performed on the tension side of the beam. The concrete and reinforced concrete beams with CFRC-clad were tested under pure bending loads. The RC beams with CFRC-clad including reinforcing steel bars were also tested. Main conclusions obtained were as follows; 1) The CFRC-cladding had remarkable effects on increasing of the cracking load. And the most effective thickness of the CFRC-clad was found out. 2) The yield strength and absorbed energy of the beams were increased by the CFRC-clad in cooperation with the reinforcing steel bars.
社団法人日本建築学会の論文
1991-01-30