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Structural effects of simultaneous loading and reinforcement corrosion on performance of concrete beams

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posted on 2023-08-30, 14:22 authored by Yingang Du, Martin Cullen, Cankang Li
The paper aims to investigate the structural performance of a concrete beam subjected to simultaneous loading and reinforcement corrosion. The beam specimens were subjected to an accelerated corrosion, while they sustained a constant point load and their self-weight, until they failed in load-bearing capacity. The experimental results indicate that, under the same service loads, the time-dependant deflection of a corroded beam increases more rapidly than those of a non-corroded beam, and is likely to reach the limit deflection for its serviceability prematurely. Both ultimate strength and maximum deflection of a concrete beam subjected to simultaneous loading and reinforcement corrosion decrease more than those of the beams tested under a separate loading and corrosion condition. Either a further development of corrosion or an occasional over-loading or both are likely to cause a beam under service loads to fail and even collapse suddenly without significant warning in term of its deflection.

History

Refereed

  • Yes

Volume

39

Page range

148-152

Publication title

Construction and Building Materials

ISSN

1879-0526

Publisher

Elsevier

File version

  • Accepted version

Language

  • eng

Legacy posted date

2016-08-18

Legacy creation date

2021-11-12

Legacy Faculty/School/Department

ARCHIVED Faculty of Science & Technology (until September 2018)

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