Welt in Weimar

Gehlen, Jakob

doi:10.30965/9783846765807

Cited by 1 publication

(1 citation statement)

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“…Research performed by Apostolopoulos [18], Caprili and Salvatore [19], Fernandez et al [20], Gehlen and Weirich [21], Kashani et al [22], and Zhang et al [23], evaluated the in uence of corrosion on reinforced steel structures reinforcement bars, incorporated and not incorporated in concrete. The results converge to the con rmation of corrosion's effects on steel's mechanical properties.…”

Section: Reinforced Concrete Structures Corrosion Degree: General Con...mentioning

confidence: 99%

Corrosion in reinforced concrete: Diagnostics through Potential Corrosion Technique

Reginato

Lorenzi

Oliveira

et al. 2023

Preprint

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Among the processes that accelerate the loss performance of reinforced concrete structures, considering their frequent occurrence and severity, reinforcement corrosion can be seen as one of the most important. A worrying factor is that most buildings in the Brazilian urban centers are between 40 and 50 years old, a time when repairs and maintenance become more routine. Therefore, the problems related to the corrosion of the reinforcements tend to accentuate in the coming years, and the identification of corrosion will play an important role. Thus, this research has the purpose to analyze the application of the diagnosis through potential corrosion techniques. For this, full-scale reinforced concrete beams were corrosion analyzed. Corrosion was stimulated by the Modified Immersion Accelerated Corrosion - CAIM method, at three levels of mass loss: 5, 10 and 15%. The diagnostic technique through the corrosion potential was applied, in which it was observed that there is uncertainty in the corrosion evaluation for the mass loss levels of 5 and 10%, resulting in a corrosion uncertainty interval, but at 15%, the potential technique proved to be satisfactory.

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