CORROSION OF REINFORCEMENT VERSUS RELIABILITY OF RC GIRDERS

Abstract eng:
Corrosion is the destructive attack on metal by chemical or electrochemical reaction with its environment. The quality and the durability of the concrete structures are affected a lot by the degradation processes. Reinforced concrete is considered as a versatile, economical and successful construction material. Usually it is durable and resistant material, performing well throughout its service life. The corrosion of reinforcing steel in concrete, due to invasive environment, is the phenomenon that highly affects the reliability and durability of reinforced concrete structures. The paper deals with reinforcement corrosion and its influence on reliability of the existing bridge concrete structures. In conclusion, changes of the failure probability and reliability index of the structure with time, influenced by reinforce corrosion, are shown.

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