{"id":14255,"date":"2026-06-26T16:43:26","date_gmt":"2026-06-26T16:43:26","guid":{"rendered":"https:\/\/www.gbu.kyiv.ua\/?p=14255"},"modified":"2026-06-28T18:37:15","modified_gmt":"2026-06-28T18:37:15","slug":"koroziya-stalevyh-elementiv-budivli-yak-vyyavyty-ta-zupynyty-smert-konstrukczij","status":"publish","type":"post","link":"https:\/\/www.gbu.kyiv.ua\/en\/koroziya-stalevyh-elementiv-budivli-yak-vyyavyty-ta-zupynyty-smert-konstrukczij\/","title":{"rendered":"Corrosion of Steel Building Elements: How to Detect and Stop Structural Deterioration"},"content":{"rendered":"

Corrosion of Steel Building Elements: How to Detect and Stop Structural Deterioration<\/span><\/h2>\r\n

Corrosion of steel elements is not just rust on the metal surface; it is a destructive electrochemical process that invisibly but relentlessly reduces the building’s load-bearing capacity. According to experts, about 70% of structural damage in metal buildings is related to corrosion processes. Unlike concrete, where cracks are visible to the naked eye, rust can eat away at steel from the inside for years, especially at welds, joints, and behind cladding. Understanding the nature of this phenomenon and timely diagnostics are key to the safety of the entire structure.<\/span><\/p>\r\n

Get a consultation<\/a><\/div>\r\n

Why Corrosion Occurs and Which Types Are Most Dangerous<\/span><\/h2>\r\n

Steel corrosion is a natural process of metal destruction due to environmental exposure. However, in building operation conditions, it accelerates significantly due to several factors:<\/span><\/p>\r\n

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  1. High humidity and atmospheric precipitation: rain, snow, and fog create an electrolytic film on the steel surface, which activates corrosion. Areas constantly in contact with water or soil are particularly dangerous.<\/span><\/li>\r\n
  2. Chemical impact: aggressive environments (acid rain, salts, industrial emissions) significantly accelerate metal destruction. According to building standards, protection of structures must account for the classification of environmental conditions and corrosive impacts.<\/span><\/li>\r\n
  3. Galvanic couple: occurs at contact points of dissimilar metals in the presence of moisture, creating a galvanic couple that accelerates the destruction of the less noble metal.<\/span><\/li>\r\n
  4. Damage to protective coatings: scratches, chips, or paint burning off expose the steel to moisture, triggering irreversible processes.<\/span><\/li>\r\n<\/ol>\r\n

    The most dangerous type is pitting corrosion, which attacks the metal locally but very deeply. It is almost invisible visually, yet it can lead to sudden structural failure without prior deformation. Under-film corrosion occurs when moisture penetrates under the protective coating, causing paint blistering and hidden metal destruction.<\/span><\/p>\r\n

    How to Detect Corrosion at an Early Stage<\/span><\/h2>\r\n

    Timely detection of corrosion helps avoid critical consequences. Here are the main signs to watch for during an inspection:<\/span><\/p>\r\n