Title An Experimental Study on the Fatigue Behaviors Strengthened by Carbon Fiber Sheets of Reinforced Concrete Beams
Authors Kim Jeong-Sup ; Cho Chang-ho ; Park Young-bae ; Cho Cheol-Hee
Page pp.19-26
ISSN 12269107
Keywords Fatigue Behavior ; Carbon Fiber Sheet ; R/C Beam
Abstract This study is an experimental study of reinforced-concrete beam with carbon fiber sheet under fatigue load. Non-strengthening and strengthening, kind of strengthening materials and the stress level in static or fatigue experiment are designed as the variables of experiment. The experimental results are as follows. The strengthening test specimen of non-resin CFS and of resin CFS indicate the increase of yield strength of 233% and 184% respectively in static experiment, its the fatigue strength prove 89.67% and 85.38% respectively in S-N curve of fatigue experiment. In this study, the test specimen reinforced with CFS has greater effects at static and fatigue yield strength, prevention of initial deflection and elastic deflection.