File:Concrete wall cracking as steel reinforcing corrodes and swells 9058.jpg

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English: Retaining wall — 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.
  • Photograph taken in grounds of Newton Park Technical High School, Port Elizabeth, South Africa
Date
Source Own work
Author JonRichfield

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Wikimedia username: JonRichfield
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24 April 2010

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current18:27, 20 June 20114,000 × 3,000 (3.95 MB)JonRichfield
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