NDLI: Impact of corrosion on mechanical properties of steel embedded in 27-year-old corroded reinforced concrete beams

Content Provider	Springer Nature Link
Author	François, Raoul Khan, Inamullah Dang, Vu Hiep
Copyright Year	2012
Abstract	This paper deals with the impact of corrosion on the mechanical properties of steel in reinforced concrete. Steel bars were extracted from a 27-year-old corroded reinforced concrete beam that had been exposed to a chloride environment. Bars with different degrees of corrosion and with different corrosion pit depths were tested in tension. A comparison was made between nominal and true stress for corroded and control steel specimens. It was noted that the degree of corrosion strongly affected the mechanical properties of the steel, particularly the ultimate stress and strain. Interestingly, the true yield strength of all the corroded steel bars remained almost constant while their true ultimate strength was considerably increased. A reduction of the ultimate elongation appeared to be the major effect of corrosion and affected the compliance with standards.
Starting Page	899
Ending Page	910
Page Count	12
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	46
Issue Number	6
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-10-02
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Corrosion Reinforced steel Stress strain curves Ultimate elongation Ductility Yield stress Structural Mechanics Materials Science Theoretical and Applied Mechanics Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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