Stainless Steel in Indoor Swimming Pool Buildings

This paper was originally published in The Structural Engineer (Volume 82 Issue 9 4th May 2004) and reviews structural failures in swimming pool buildings, attributed to stress corrosion cracking of stainless steel and the progress made since it was identified where the risks of failure can occur. Pool building environments are reviewed in terms of water temperature, disinfection systems (chlorine), humidity and condensation. Prevention of SCC (stress corrosion cracking) failure is the joint responsibility of the designer, structural engineer and pool operator. Grade selection to avoid SCC involves considering grades such as 1.4547 1.4529 1.4565 or 1.4507 rather than the 1.4301 (304) and 1.4401 / 1.4404 (316) types, which are more suited to non stressed, non safety critical or load bearing applications.

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