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Design for Service Life, Bridge Birth Certificate & Concrete ...

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Limit States<br />

Current practice <strong>for</strong> new structures is<br />

Depassivation phase<br />

fib Commission 5 established task<br />

groups on June 18-19, 19, 2009 in<br />

London to better define:<br />

– Critical Chloride Content to cause<br />

rein<strong>for</strong>cing steel depassivation<br />

– Measurable limits <strong>for</strong> cracking, spalling,<br />

and loss of section<br />

31

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