Abstract
Worldwide, steel corrosion is one of the greatest deterioration problems for reinforced concrete structures. Comparing some experimental results from literature with a complex FEM model, the present paper points out the principal aspects that characterize the static behavior of reinforced concrete (RC) elements damaged by corrosion. Moreover, the nondimensional abaci defined for some specific case studies finalized to the evaluation of the residual flexural strength of corroded elements highlight the dangerousness of the corrosion degradation if the failure of the element is governed by the steel.
Highlights
The increased aggressiveness and environmental pollution have highlighted the issue of deterioration in reinforced concrete (RC), previously considered unalterable and nondegradable material with a long life
To estimate the residual life of a reinforced concrete structure subjected to corrosion is not yet well
This procedure, due to a widespread uncertainty on the experimental results, often influenced to estimate the residual life of a reinforced concrete structure subjected to corrosion is not yet well by uncontrolled corrosion distribution
Summary
The increased aggressiveness and environmental pollution have highlighted the issue of deterioration in reinforced concrete (RC), previously considered unalterable and nondegradable material with a long life. The brief review of the works proposed in the scientific literature shows that a reliable procedure defined This procedure, due to a widespread uncertainty on the experimental results, often influenced to estimate the residual life of a reinforced concrete structure subjected to corrosion is not yet well by uncontrolled corrosion distribution. At the scientific and regulatory level, a reliable defined This procedure, due to a widespread uncertainty on the experimental results, often methodology for simulating the flexural behavior of corrosion-damaged reinforced concrete elements influenced by uncontrolled corrosion distribution. Taking into account the degradation of the mechanical properties level, a reliable methodology for simulating the flexural behavior of corrosion-damaged reinforced of reinforcements, the sectional capacity of any RC element appears significantly reduced in the concrete elements has not yet been proposed. The proposed abaci clearly show the decay in the flexural strength with the corrosion level as a function of the sectional reinforcement amount
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