A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fire resistance of innovative and slender concrete filled tubular composite columns (FRISCC) : final report
Concrete-filled steel tubular (CFST) members are commonly used as composite columns in modern buildings. However, current guidelines for member design in fire (EN1994-1-2) have been proved to be unsafe once the relative slenderness is higher than 0.5. In addition, the simplified design methods of Eurocode 4 are limited to circular or square CFST columns, while in practice columns with rectangular and elliptical hollow sections are being increasingly used because of their architectural aesthetics. This project aims at correcting the current simplified design methods of EN1994-1-2 for CFST columns, extending their applicability to elliptical and rectangular sections and developing new calculation rules for the fire resistance of circular concrete-filled tubular columns with embedded steel core profile. A new Simplified Design Method is proposed within this project and a user-friendly design tool is developed, based on the results of an extensive experimental program, followed by numerical modelling and comprehensive parametric studies. This project has delivered useful advances in the understanding of the fire performance of CFST columns. Additionally, the proposed design rules will be circulated through the Technical Committees of the Eurocodes for broader dissemination.
Fire resistance of innovative and slender concrete filled tubular composite columns (FRISCC) : final report
Concrete-filled steel tubular (CFST) members are commonly used as composite columns in modern buildings. However, current guidelines for member design in fire (EN1994-1-2) have been proved to be unsafe once the relative slenderness is higher than 0.5. In addition, the simplified design methods of Eurocode 4 are limited to circular or square CFST columns, while in practice columns with rectangular and elliptical hollow sections are being increasingly used because of their architectural aesthetics. This project aims at correcting the current simplified design methods of EN1994-1-2 for CFST columns, extending their applicability to elliptical and rectangular sections and developing new calculation rules for the fire resistance of circular concrete-filled tubular columns with embedded steel core profile. A new Simplified Design Method is proposed within this project and a user-friendly design tool is developed, based on the results of an extensive experimental program, followed by numerical modelling and comprehensive parametric studies. This project has delivered useful advances in the understanding of the fire performance of CFST columns. Additionally, the proposed design rules will be circulated through the Technical Committees of the Eurocodes for broader dissemination.
Fire resistance of innovative and slender concrete filled tubular composite columns (FRISCC) : final report
Romero, Manuel L. (author) / Espinós, Ana (author) / Renaud, Christophe (author) / Bihina, Gisèle (author) / Schaumann, Peter (author) / Kleiboemer, Inka (author) / Fire resistance of innovative and slender concrete filled tubular composite columns (FRISCC) (author) / Europäische Kommission, Research Fund for Coal and Steel (issuing body)
EUR ; 28082
2016
1 Online-Ressource (126 Seiten, 9,51 MB)
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