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Old 07-20-2011, 10:28 PM   #76
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concrete form release


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Originally Posted by concretemasonry View Post
Jeremy -

Here in MN a contractor will remove the forms as soon as possible due to current tempeatures ( 03 10 days ago and a week or so of 90 to 100F with high humidity) to avoid overheating and be able to provide moisture and cooling as necessary. When the aggregate finall warms up that compounds the problem. Some even order concrete with ice or iced water to prevent curing to fast. I think they are still pumping brine through the embedded pipes for control of the concrete curing after many years of placement.

It is good to see you have luxury of using you project as an unmonitored experiment and learning experience.

By the way, I have been a concrete inspector and bridge inspection before getting my Bachelor's and Masters degrees, 40 years experience and 3 international Honorary Doctor's degrees (for whatever they are worth) that just look good on the wall.

Just keep poking around, put things in perspective, learn and share your results.

Dick
It's great that someone with your knowledge and experience is willing to post to a group like this. Your perspective is extremely valuable, especially for someone like me who is trying to do something well outside my area of expertise.

It'll probably be a week or two before I get a chance to do any more work on the "great wall", but when I do I'll post again, including some pictures.

Btw, I spent most of my first 20 years in Iowa, so I know all about those 100 degree (plus) temps with 90% (plus) humidity. I vividly remember high school football practice on one of those kind of days, when the guy next to me had a heat stroke.

Fortunately, we don't get that kind of weather around here---it rarely gets above 80 degrees and when it does, I'll drive 15 miles to the beach and go fish in the surf until the sun goes down.

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Old 07-28-2011, 11:10 PM   #77
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concrete form release


The continuing story...

Three days after pouring (i.e., last Thursday), I had some time and some extra help, so I decided to take advantage of the situation, and I started pulling the forms. The forms didn't stick at all, but it still took a while, due mostly to my inexperience. Then my brother was here for several days, so I'm just now getting back to it.

I've patched the snap tie holes and smeared Thoroseal on the backside. All that's left is drainage (perforated pipe, gravel, cloth) and filling in the dirt.

In the attached picture, you can see the wavy top. That won't be too noticeable, since we plan to have ivy growing over the top. I also posted a couple of close-up pictures, one of which is about the worst spots wrt pin holes, and the other is fairly typical.

Overall, I think it turned out pretty OK.
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concrete form release-p7280006.jpg   concrete form release-p7280009.jpg   concrete form release-p7280010.jpg  
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Old 07-29-2011, 09:44 AM   #78
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concrete form release


Looks good to me, nice job..........

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