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Partial interaction analysis of double skin composite beams

Wright, H.D. / Oduyemi, T.O.S.

Abstract Double skin composite beams are formed using steel plates connected to a concrete infill by means of welded stud shear connectors. This construction acts in a similar way to doubly reinforced concrete elements but the flexibility of connection between the steel plates and concrete gives rise to interface slip and additional overall element deflection. This paper presents a closed form solution for the analysis of simply-supported double skin composite beams. This method takes into account the flexibility of connection on both tension and compression faces and is extended to cover the effects of concrete cracking and non-linear connector behaviour using a step-wise linearisation technique. The analysis is compared against model and full scale experimental work that has been previously reported by the authors. It is concluded that the proposed method shows good correlation with real behaviour and may be reliably used for the analysis of simply supported double skin composite beams.

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Partial interaction analysis of double skin composite beams

Wright, H.D. / Oduyemi, T.O.S.

Abstract Double skin composite beams are formed using steel plates connected to a concrete infill by means of welded stud shear connectors. This construction acts in a similar way to doubly reinforced concrete elements but the flexibility of connection between the steel plates and concrete gives rise to interface slip and additional overall element deflection. This paper presents a closed form solution for the analysis of simply-supported double skin composite beams. This method takes into account the flexibility of connection on both tension and compression faces and is extended to cover the effects of concrete cracking and non-linear connector behaviour using a step-wise linearisation technique. The analysis is compared against model and full scale experimental work that has been previously reported by the authors. It is concluded that the proposed method shows good correlation with real behaviour and may be reliably used for the analysis of simply supported double skin composite beams.

Partial interaction analysis of double skin composite beams

Wright, H.D. / Oduyemi, T.O.S.

Abstract Double skin composite beams are formed using steel plates connected to a concrete infill by means of welded stud shear connectors. This construction acts in a similar way to doubly reinforced concrete elements but the flexibility of connection between the steel plates and concrete gives rise to interface slip and additional overall element deflection. This paper presents a closed form solution for the analysis of simply-supported double skin composite beams. This method takes into account the flexibility of connection on both tension and compression faces and is extended to cover the effects of concrete cracking and non-linear connector behaviour using a step-wise linearisation technique. The analysis is compared against model and full scale experimental work that has been previously reported by the authors. It is concluded that the proposed method shows good correlation with real behaviour and may be reliably used for the analysis of simply supported double skin composite beams.

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Title:

Partial interaction analysis of double skin composite beams

Contributors:

Wright, H.D. (author) / Oduyemi, T.O.S. (author)

Published in:

Journal of Constructional Steel Research ; 19 ; 253-283

Publication date:

1991-06-25

Size:

31 pages

ISSN:

DOI:

https://doi.org/10.1016/0143-974X(91)90019-W

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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