File:Concrete wall cracking as its steel reinforcing cracks and swells 9061.jpg

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English: Photograph taken in grounds of Newton Park Technical High School, Port Elizabeth, South Africa
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Author JonRichfield

The rust formed as the iron corrodes has a lower density than the metal, so it expands as it forms, cracking the decorative cladding off the wall, as well as damaging the structural concrete.

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current18:27, 20 June 2011Thumbnail for version as of 18:27, 20 June 20114,000 × 3,000 (3.81 MB)JonRichfield (talk | contribs)

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