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Numerical investigation of ultimate strength of composite box beams

Thimmhardy, E.G. / Hoa, S.V.

The paper describes the results of a preliminary numerical study which is part of an ongoing research program related to the use of fibre reinforced plastics in load bearing members of buildings. The box section which is able to provide an improved bending stiffness as well as easiness in fabrication was considered and analyzed in conjncntion with the supporting beams of a composite deck/roof system. Two types of composite materials with different moduli of elasticity were considered in beam design; glass reinforced polyester and graphite reinforced epoxy. To predict the ultimate load and buckling behaviour of composite box beams a nonlinear finite element analysis which includes the effect of initial geometric imperfections was performed. The effect of fibre orientation on ultimate carrying capacity and stiffness of box-beams was also investigated and reported.

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Numerical investigation of ultimate strength of composite box beams

Thimmhardy, E.G. / Hoa, S.V.

The paper describes the results of a preliminary numerical study which is part of an ongoing research program related to the use of fibre reinforced plastics in load bearing members of buildings. The box section which is able to provide an improved bending stiffness as well as easiness in fabrication was considered and analyzed in conjncntion with the supporting beams of a composite deck/roof system. Two types of composite materials with different moduli of elasticity were considered in beam design; glass reinforced polyester and graphite reinforced epoxy. To predict the ultimate load and buckling behaviour of composite box beams a nonlinear finite element analysis which includes the effect of initial geometric imperfections was performed. The effect of fibre orientation on ultimate carrying capacity and stiffness of box-beams was also investigated and reported.

Numerical investigation of ultimate strength of composite box beams

Thimmhardy, E.G. / Hoa, S.V.

The paper describes the results of a preliminary numerical study which is part of an ongoing research program related to the use of fibre reinforced plastics in load bearing members of buildings. The box section which is able to provide an improved bending stiffness as well as easiness in fabrication was considered and analyzed in conjncntion with the supporting beams of a composite deck/roof system. Two types of composite materials with different moduli of elasticity were considered in beam design; glass reinforced polyester and graphite reinforced epoxy. To predict the ultimate load and buckling behaviour of composite box beams a nonlinear finite element analysis which includes the effect of initial geometric imperfections was performed. The effect of fibre orientation on ultimate carrying capacity and stiffness of box-beams was also investigated and reported.

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Title:

Numerical investigation of ultimate strength of composite box beams

Additional title:

Numerische Untersuchung der Bruchfestigkeit von Trägerbalken aus Verbundwerkstoff

Contributors:

Thimmhardy, E.G. (author) / Hoa, S.V. (author)

Published in:

Advanced Composites Materials in Civil Engng. Structures, Proc. of the Conf. sponsored by the American Soc. of Civil Engineers (ASCE) ; 405-416

Publication date:

1991

Size:

12 Seiten, 4 Bilder, 3 Tabellen, 10 Quellen

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

VERBUNDWERKSTOFF , FASERVERSTAERKUNG , TRAGENDES BAUTEIL , BAUTECHNIK , BALKEN , POLYESTER , EPOXIDHARZE , CARBONFASER , GLASFASER , FINITE-ELEMENTE-METHODE , FASERORIENTIERUNG , RECHENVERFAHREN , STEIFIGKEIT , KONSTRUKTIONSMETHODIK

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