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Old 10-13-2010, 10:37 AM   #1
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Crack in concrete 2 days after pouring?


Hi guys and gals,

I am in the process of having my house built and they poured the driveway 2 days ago. I noticed today that there is about an 8 inch crack already on 1 of the corners. Is this normal? I know concrete will crack over time... but after 2 days??? Thanks to any experts that can chime in..


Last edited by danreg99; 10-13-2010 at 11:17 PM. Reason: Pictures posted
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Old 10-13-2010, 10:40 AM   #2
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Crack in concrete 2 days after pouring?


Post a picture, that would help.

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Old 10-13-2010, 11:00 AM   #3
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Crack in concrete 2 days after pouring?


Does it have control joints placed in it already?

Did they pull the forms off the same day?

Pics & a better explanation would help indeed.
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Old 10-13-2010, 11:05 AM   #4
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Crack in concrete 2 days after pouring?


I will post pics today.
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Old 10-13-2010, 02:16 PM   #5
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Crack in concrete 2 days after pouring?


It shouldn't crack after 2 days, but how did it crack? Weight of something that didn't belong would be high on the list.
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Old 10-13-2010, 02:58 PM   #6
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Crack in concrete 2 days after pouring?


Based on the time and location (corner), I would first look at rough stripping tactics on the forms. - Unless it started at an inside corner.

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Old 10-13-2010, 08:53 PM   #7
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Crack in concrete 2 days after pouring?


I have attached pics. Please look at and tell me what you think? Should I bring it up to the contractor? How would they fix it? Thanks guys, you have been lifesavers in the past!
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Crack in concrete 2 days after pouring?-img_0052.jpg   Crack in concrete 2 days after pouring?-img_0053.jpg  
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Old 10-13-2010, 09:10 PM   #8
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Crack in concrete 2 days after pouring?


I'm no expert, but it really looks like they did not dig deep enough at the corners. Still I can't see why it would crack right away without at least going through the winter.
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Old 10-13-2010, 09:36 PM   #9
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Crack in concrete 2 days after pouring?


Wow that sux. Looks like something heavy got put on it. I bet they missed the rebar in that area.
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Old 10-13-2010, 09:38 PM   #10
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Crack in concrete 2 days after pouring?


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Originally Posted by wnabcptrNH View Post
Wow that sux. Looks like something heavy got put on it. I bet they missed the rebar in that area.

What do you think I should do about it?
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Old 10-13-2010, 10:15 PM   #11
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Crack in concrete 2 days after pouring?


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What do you think I should do about it?
make the installer rip it out and repour it.
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Old 10-13-2010, 10:38 PM   #12
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Crack in concrete 2 days after pouring?


I bet they will laugh if I told them to do that.
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Old 10-13-2010, 10:55 PM   #13
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Crack in concrete 2 days after pouring?


They did not use any isolation joint material against the old concrete filler on the brick ledge near the house: http://www.concretenetwork.com/concr...on-joints.html
Was this poured on a hot day? Those appear to be water marks.... They should have pulled those old concrete pads......

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Last edited by Gary in WA; 10-13-2010 at 10:58 PM.
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Old 10-13-2010, 11:02 PM   #14
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Crack in concrete 2 days after pouring?


No, the hottest that it has gotten is about 72 this week. What will happen to the rest of the slab do you think? Is there anyway they can fix this without ripping out the slab?

Last edited by danreg99; 10-13-2010 at 11:04 PM.
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Old 10-14-2010, 08:10 AM   #15
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Crack in concrete 2 days after pouring?


That is a mechanical fracture, not a shrinkage crack.

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