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Old 08-06-2011, 07:22 AM   #1
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Concrete Mixing


Hope this the right area to post ~

For relatively small jobs I can see the premix with rented concrete mixer setup etc. But, say I wanted to pour a foundation for a 10x10 shed or the like. I figure roughly 50 80~Lb bags or concrete @ .6 cu ft / bag. The largest mixers I see online are around 6 cu ft. I would opt for renting I'm sure. Doesn't this have to be one continuous pour? Wouldn't you have to pour, rinse & clean mixer, fill & mix concrete, repeat etc. Seems like a lot of "in between" time during pours. Seems like you'd need 2 or more mixers operating simultaneously. I've only done basic patch work mixing by hand/stick in a 5 gallon bucket but would like to expand my concrete skills & abilities to do bigger more meaningful projects.

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Old 08-06-2011, 07:48 AM   #2
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Concrete Mixing


ever consider doing it in sections moving the form and or even mixing it up within the form with 2x6s instead of 2x4s.saw a house show where they have a rolling cement truck that gives out amounts asked for instead of the entire cement mixer being just for your job...

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Old 08-06-2011, 08:15 AM   #3
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Concrete Mixing


I've heard of the pour on the fly or on the roll concept. I'll check on that. Mixing it in the forms sound like a neat idea. I'll try to find any videos on that!
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Old 08-06-2011, 08:23 AM   #4
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Concrete Mixing


A 10 ft x 10 ft foundation 6 inches thick is about 2 yards of concrete, which gets you into the zone where buying readimix could make sense. Each yard of concrete weights about 4,000 lbs - 5,000 lbs, so if you have a heavy duty truck, you may be able to buy trailer mix concrete and transport it yourself (see http://www.rentalhq.com/article.asp?artid=69&cat=con).

That is a lot of concrete to hand mix, not saying you can't do it, but you do have issues of timing and setting of the concrete, especially if it is hot.
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Old 08-06-2011, 08:41 AM   #5
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Concrete Mixing


Pour and mix the next batch. No washing rinsing in between. It's only concrete in the mixer from the last load.
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Old 08-06-2011, 08:51 AM   #6
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Concrete Mixing


Now that's a neat idea! I might need a more robust truck though. Actually, I don't see how I could do it with a "simple" mixer because of the timing issue mentioned before. Seems like a one shot single pour is the only way!
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Old 08-06-2011, 09:06 AM   #7
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Concrete Mixing


YOU TUBE has a ton of videos...try this one out on doing the bags of cement without a delivery....

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