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rust on rebar

Nice find. Here's the most important part:


Summary
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Most specifications in the United States (ACI 301, ACI 318) contain very conservative language concerning rust on reinforcing bars, essentially mandating fully cleaning the reinforcing steel; this is not supported by experimental evidence. Consequently, most Engineers and Inspectors take a conservative or unwarranted approach by requiring the removal of rust and other contaminants from the reinforcement.
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Article states that the re-bar should be stored up off the ground. That's common sense, the mud or caked on dirt should be removed. On a residential job site, that's not always the case. Thought it was interesting that in coastal areas, the bar should be hosed off to remove possible salt air contaminates. Wonder if anyone's seen that or done that?
 
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