Abstract
Recently, carbon fiber reinforced plastic (CFRP) is developing its range of application especially in construction and architectural engineering fields by the use of room-ternperature cured resin. However, CFRP is exposed in aqueous environment such as rain, moisture in air and soil due to long-term outdoor use. Degradation of CFRP is concerned about due to long-term use in aqueous environment. As a result of tensile test of CFRP immersed in deionized water, degradation of CFRP was confuined. To reveal the degradation mechanism of room-temperature cured CFRP in aqueous environment, coupons of CFRP and epoxy resin were immersed in deionized water and those water absorption properties were examined. As a result, it was showed that carbon fiber within CFRP blocked water diffusion.
