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The softening rotation of reinforced concrete members

Daniell, J.E. / Oehlers, D.J. / Griffith, M.C. / Mohamed Ali, M.S. / Ozbakkaloglu, T.

AbstractThe ductility or rotational capacity of reinforced concrete members is a very important parameter for the safe design of RC structures as it controls: the ability of the structure to redistribute moment and fail gradually; the drift and, hence, magnified moments in the columns; and the ability to resist seismic and blast loads. One component of the rotational capacity is that due to concrete softening. In this paper, a softening rotation model is developed based on recently published fundamental research in which softening is considered to be a mechanism rather than a material property. The approach is validated from both published and new concrete prism tests and shows good correlation.

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The softening rotation of reinforced concrete members

Daniell, J.E. / Oehlers, D.J. / Griffith, M.C. / Mohamed Ali, M.S. / Ozbakkaloglu, T.

AbstractThe ductility or rotational capacity of reinforced concrete members is a very important parameter for the safe design of RC structures as it controls: the ability of the structure to redistribute moment and fail gradually; the drift and, hence, magnified moments in the columns; and the ability to resist seismic and blast loads. One component of the rotational capacity is that due to concrete softening. In this paper, a softening rotation model is developed based on recently published fundamental research in which softening is considered to be a mechanism rather than a material property. The approach is validated from both published and new concrete prism tests and shows good correlation.

The softening rotation of reinforced concrete members

Daniell, J.E. / Oehlers, D.J. / Griffith, M.C. / Mohamed Ali, M.S. / Ozbakkaloglu, T.

AbstractThe ductility or rotational capacity of reinforced concrete members is a very important parameter for the safe design of RC structures as it controls: the ability of the structure to redistribute moment and fail gradually; the drift and, hence, magnified moments in the columns; and the ability to resist seismic and blast loads. One component of the rotational capacity is that due to concrete softening. In this paper, a softening rotation model is developed based on recently published fundamental research in which softening is considered to be a mechanism rather than a material property. The approach is validated from both published and new concrete prism tests and shows good correlation.

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Title:

The softening rotation of reinforced concrete members

Contributors:

Daniell, J.E. (author) / Oehlers, D.J. (author) / Griffith, M.C. (author) / Mohamed Ali, M.S. (author) / Ozbakkaloglu, T. (author)

Published in:

Engineering Structures ; 30 ; 3159-3166

Publication date:

2008-04-16

Size:

8 pages

ISSN:

DOI:

https://doi.org/10.1016/j.engstruct.2008.04.023

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Ductility , Reinforced concrete , Softening rotation , Drift , Concrete softening

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