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Rebar dobies

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vmirat

vmirat

Structural
Joined
Apr 4, 2002
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294
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US
I've never been a fan of dobies for rebar support. I prefer metal or plastic chairs. I feel like the dobies create too much of a discontinuity in the concrete with increased potential for cracking. Am I being to restrictive?
 
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Assuming you are talking about dobies for the bottom mat of slabs on grade. Don't let the contractor use CMU as chairs...a little humorous photo from another member.

image_cizo6s.png
 
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