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Define Corrosion - Deterioration of Steel Structures?
Corrosion is the principle cause of deterioration of steel structures. Corrosion of steel is an electrochemical process that converts the steel into iron oxides. These iron oxides are easily recognised by their reddish brown colour and commonly called rust. The rust may remain in place in the form of an incrustation or may naturally fall away or be removed by wave action or abrasion.
The corroded surfaces are usually irregular and in some cases the attack in localised areas will be much greater than in other areas resulting in pitting. Over a period of time, unchecked corrosion will reduce the structural integrity of steel components of the structure.
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