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diferent project at work

L

larry@stinescorner

Well-known Member
pictures of patching a large sidewalk at the douglass student center at rutgers university we cut around the bad spots with the cutoff saw with a diamond blade., chip down several inches or until it is sound, then patch with a patching mix called pave mend. We mixed it with a drill and paddle mixer. It sets up hard in 10 minutes,
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What bonding agent did you use??? I've got a similar project and am not sure if I should do what you did or just tear out and replace the whole square. I'm leaning towards tearout and replace just because I don't want the patch cracking out in a year and people thinking I do shoddy work.
 
(quoted from post at 21:48:31 08/30/10) What bonding agent did you use??? I've got a similar project and am not sure if I should do what you did or just tear out and replace the whole square. I'm leaning towards tearout and replace just because I don't want the patch cracking out in a year and people thinking I do shoddy work.
Click to expand...

Bonding agent was probably in the mix......We used to use a product call PaveCrete. All you and was water.

Larry, I'm glad it was you and not me making silk purses out of sow ears. Don't miss it at all.
 
"Bonding agent was probably in the mix......We used to use a product call PaveCrete. All you and was water."

A seperate bonding agent should have been used between the existing and new concrete in order to promote adhesion. otherwise the two seperate pours would adhere to each other, but only until the first freeze. After that any moisture trapped between would freeze and pop the new away from the existing.
 
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