期刊
CORROSION ENGINEERING SCIENCE AND TECHNOLOGY
卷 47, 期 4, 页码 272-283出版社
TAYLOR & FRANCIS LTD
DOI: 10.1179/1743278212Y.0000000005
关键词
Corrosion; Ultimate strength; Mechanical properties; Steel
资金
- European Union [TNE3-CT-2003-506141]
- Portuguese Foundation for Science and Technology (Fundacao para a Ciencia e Tecnologia - FCT) [SFRH/BD/46790/2008]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/46790/2008] Funding Source: FCT
This paper presents an experimental study on the effect of corrosion degradation on the ultimate strength of corroded steel box girders. Two specimens, built as box girders, were immersed in natural sea water in a harbour. After corrosion, the box girder sections were tested under four-point loading, producing a constant bending moment until collapse. The effect of corrosion degradation on the ultimate strength of the box girder is analysed, and dissipated energy, compliance, ductility and elastic limit are verified and discussed. A significant reduction in the stiffness, stress-strain relationship and elastic modulus was observed.
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