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isolation joints in concrete

thread507-131225

isolation joints in concrete

isolation joints in concrete

(OP)
Where is good guidance on placement of isolation joints say, between a floor slabe and a column pier. I'm looking for detailing guidance, with examples. ACI SP-66 doesn't have it, ACI 318 has some info on isolation joints and plain concrete (not what I'm looking for, I don't think) and ACI SP-2 has some good drawings, but not enough text!

RE: isolation joints in concrete

Take a look at "Guide for Concrete Floor and Slab Construction" by ACI Commette 302.  Also, "PCA's publication "Concrete Floors on Ground.  

RE: isolation joints in concrete

(OP)
ACI 302... It's on our shelf - way in the corner, dusty!

...and Concrete Floors on Ground is only $40 from PCA... Not bad, not bad at all!

Thanks!

RE: isolation joints in concrete

Don't forget to include re-entrant bars in the slab at joint corners.

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