A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The post-fire-curing and CFRP confinement effects on fire-damaged concrete
This paper describes the behaviors of fire-damaged concrete specimens strengthened by post-fire-curing and CFRP (carbon fiber reinforced plastic). The results indicate that the residual strength of fire-damaged specimens cured in air rose first at the beginning of curing, kept decreasing within 30 days of curing and then gradually increased, while the residual strength of specimens cured in water rose gradually with curing age. Most specimens cured in water seemed to have better performance in strength recovery and strain increase than those cured in air. CFRP confinement could significantly increase both strength and ductility of fire-damaged concrete specimens. The effects of confinement were more pronounced for specimens exposed to higher temperatures, post-fire-cured in air or strengthened by higher tensile strength of CFRP. Analytical models were also established to predict compressive strengths of fire-damaged specimens with different procedures of curing and CFRP confinement.
The post-fire-curing and CFRP confinement effects on fire-damaged concrete
This paper describes the behaviors of fire-damaged concrete specimens strengthened by post-fire-curing and CFRP (carbon fiber reinforced plastic). The results indicate that the residual strength of fire-damaged specimens cured in air rose first at the beginning of curing, kept decreasing within 30 days of curing and then gradually increased, while the residual strength of specimens cured in water rose gradually with curing age. Most specimens cured in water seemed to have better performance in strength recovery and strain increase than those cured in air. CFRP confinement could significantly increase both strength and ductility of fire-damaged concrete specimens. The effects of confinement were more pronounced for specimens exposed to higher temperatures, post-fire-cured in air or strengthened by higher tensile strength of CFRP. Analytical models were also established to predict compressive strengths of fire-damaged specimens with different procedures of curing and CFRP confinement.
The post-fire-curing and CFRP confinement effects on fire-damaged concrete
Erhärten nach einem Brandschaden und Umschließung mit kohlenstofffaserverstärktem Kunststoff von feuergeschädigtem Beton
Lin, Ching-Chang (author) / Wang, Chi-Ping (author)
2008
6 Seiten, 2 Bilder, 7 Tabellen, 14 Quellen
Conference paper
English
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