탄소섬유 Rod로 성능향상된 R/C보의 휨 거동 연구

Abstract

The concrete beam is quickly required to be replaced or strengthened due tn decreasing load carrying capacity. F]cxura! tests on 3.1m long reinforced concrete beams with carbon—fiber rod are reported. The selected experimental variable is the method of the anchoring beani. The effects of this variable in overall behavior are discussed. This paper considered relation of ]oad~displacement and load-strain. The maximum load was increased to the static behavior of the R/C beam strengthened with CFR rod. The results indicated generally that the flexural strength of strengthening beam was increased. It was required a proper anchorage system and can be led the ductility of beams of a carbon—fiber rod.