Corrosion issues in steel structures

The corrosion problem of steel structures refers to the damage phenomenon that occurs when steel is exposed to corrosive environments such as moisture or acid-base. Corrosion of steel structures can lead to a decrease in the strength and stability of materials, thereby affecting the safety and service life of the structure.

The main causes of corrosion include oxidation, electrochemical corrosion, and microbial corrosion. Oxidative corrosion refers to the oxidation reaction of steel with oxygen in a humid environment, forming iron oxide. Electrochemical corrosion refers to the corrosion of steel in the presence of electrolytes, caused by the current flow in the anode and cathode areas of the metal and the electrolytic reaction of metal ions. Microbial corrosion refers to the biofilm formed by microorganisms (such as bacteria or algae) on the surface of steel in humid environments, which causes corrosion through metabolic products.

To reduce the corrosion problem of steel structures, some measures can be taken. Firstly, choose steel with good corrosion resistance. Secondly, protect the steel structure, including coatings, anti-corrosion coatings, etc. In addition, regular inspection and maintenance of steel structures, timely handling of corrosion issues, can extend their service life.

In short, the corrosion problem of steel structures needs to be taken seriously, and measures such as material selection and protection can effectively reduce the damage of corrosion to steel structures.