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How many wheelbarrows for a yard of concrete?

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How many wheelbarrows for a yard of concrete? alvinamorey 10-15-2007
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Posted by Harry K on October 16, 2007, 10:46 am
> DerbyDad03 wrote:
> >>>> alvinamo...@notmail.com writes:
> >>>>> My guess is the "bucket"
> >>>>> is about 28" wide, 35" long, and 10" deep (of course the corners are
> >>>>> rounded and the bucket tapers in at the bottom.
> >>>> Go out and measure it.
> >>>> Take the width and length at the bottom.
> >>>> A cubic yard is 36x36x36
> >>>> My guess is you can only fill to about 6 inches of the 10.
> >>>> Roughly 10 trips without the math.
> >>>> When you have the measurements divide
> >>>> width times height times depth
> >>>> into 36x36x36.
> >>>> Don't assume to can use the whole depth.
> >>> Math is our friend...I'm not doubtin' your numbers, just trying my
> >>> own. Let me know if I missed something...it's Monday.
> >>> As I posted earlier from:http://www.doityourself.com/stry/patiosteps
> >>> :
> >>> "One cubic yard of ready-mix yields nine contractor-size wheelbarrows
> >>> of concrete. "
>
> Snip
>
> Having pushed a wheelbarrow or three hundred as a kid- volume isn't as
> important as weight. Wet concrete weighs like a bitch- it would take
> superman to push a full-size wheelbarrow of it, especially since we are
> usually talking pushing it on dirt or bouncy walkboards. A full one
> would usually lose the top 3-4 inches of fill to splashing. If you are
> filling the wheelbarrows out of a truck or portable mixer, more
> important to have many strong backs and several wheelbarrows staged. You
> only have so many minutes of 'open' time before you have to dump the
> load Right There, rather than in the forms. Once the concrete shows up,
> IT is in charge- no smoke breaks, no lunch, no potty breaks. You move
> and shovel and screed till the forms are filled.
>
> Back before concrete pumpers came along, they used to have cute little
> self-dumping gas-powered walk-behind 'mules' for use on sites where you
> couldn't get the truck close enough.
>
> aem sends...- Hide quoted text -
>
> - Show quoted text -

Yep. I can't believe how everybody got all wrapped up around 'how
much does it hold' ignoring the fact that _noone_ with sense would
ever fill a barrow full. At least noone who has ever moved even one
barrow with mud in it.

Harry K


Posted by Larry Bud on October 15, 2007, 12:35 pm
> I know someone is going to ask me what I mean by average size
> wheelbarrow. I dont know how they are rated, but the two that I have
> are the ones sold at most garden supply places, department and
> hardware stores for the average homeowner. My guess is the "bucket"
> is about 28" wide, 35" long, and 10" deep (of course the corners are
> rounded and the bucket tapers in at the bottom.
>
> My guess (and only a guess), is one wheelbarrow load can hold about
> 2.5 cubic feet, (without spilling all over the place), and a full yard
> of concrete is 27 cubic feet. So my guess is about 11 trips. Does
> this sound about right?

No offense, but has basic math skills gone out the window so that you
have to guess?

One yard is 36x36x36"=46656 cubic inches
If your bucket is 28x35x10, that's 9800 cubic inces

46656/9800=4.76

IOW, 5 trips.


Posted by Joe on October 15, 2007, 1:35 pm
On Oct 15, 8:25 am, alvinamo...@notmail.com wrote:
> I will be having a delivery this week of concrete. I am getting 3.25
> yards. Two and a quarter yards will make a 9 x 20 foot driveway
> extension in front of my garage. The other yard will go into a nearby
> shed to make a cement floor to replace the dirt floor, which is 6 X 12
> ft., plus a small pad outside the door from whatever is left.
>
> For the driveway extension the truck can drive right to it.

>snip<

But keep the truck off your driveway unless you like cracked concrete.
He might make ruts in the lawn, but in a few months they will
disappear. Have lots of helpers available, don't forget to compact the
soil and use pea gravel and wire mesh/rebar. Good luck.

Joe


Posted by Pat on October 15, 2007, 2:43 pm
On Oct 15, 9:25 am, alvinamo...@notmail.com wrote:
> I will be having a delivery this week of concrete. I am getting 3.25
> yards. Two and a quarter yards will make a 9 x 20 foot driveway
> extension in front of my garage. The other yard will go into a nearby
> shed to make a cement floor to replace the dirt floor, which is 6 X 12
> ft., plus a small pad outside the door from whatever is left.
>
> For the driveway extension the truck can drive right to it. But the
> shed is not accessible by truck. That one yard needs to be taken into
> the shed with wheelbarrows. I am trying to comprehend how many
> (average size) wheelbarrow trips will have to be made to carry that
> one yard to the shed. I am asking to get a rough idea so I know how
> many friends and wheelbarrows to have on hand. The delivery company
> said that their delivery guys cant spend a lot of time at one place,
> so I need to be ready to get the cement moved fast.
>
> I know someone is going to ask me what I mean by average size
> wheelbarrow. I dont know how they are rated, but the two that I have
> are the ones sold at most garden supply places, department and
> hardware stores for the average homeowner. My guess is the "bucket"
> is about 28" wide, 35" long, and 10" deep (of course the corners are
> rounded and the bucket tapers in at the bottom.
>
> My guess (and only a guess), is one wheelbarrow load can hold about
> 2.5 cubic feet, (without spilling all over the place), and a full yard
> of concrete is 27 cubic feet. So my guess is about 11 trips. Does
> this sound about right?
>
> One other thing. Since I plan to use whatever concrete is left over
> to make a pad in front of the shed door, outside, what is the best way
> to make an adjustible form? My idea is to make the form the actual
> width I want (which is 41"), then just leave the end board (away from
> the door) without nails or stakes, so I can fasten it after the cement
> is there and I know how much cement is left. If by chance the pad
> seems too small, I have a few bags of redi-crete to use up, so I can
> mix them.
>
> Thanks
>
> Alvin

Just for the record, I've never heard of anyone ordering 3.25 yards.
I don't think they make/transport concrete in that level of precision
-- esp. to the second decimal place. So don't plan your needs too
closely.


Posted by HeyBub on October 15, 2007, 4:54 pm
alvinamorey@notmail.com wrote:
> I will be having a delivery this week of concrete. I am getting 3.25
> yards. Two and a quarter yards will make a 9 x 20 foot driveway
> extension in front of my garage. The other yard will go into a nearby
> shed to make a cement floor to replace the dirt floor, which is 6 X 12
> ft., plus a small pad outside the door from whatever is left.
>
> For the driveway extension the truck can drive right to it. But the
> shed is not accessible by truck. That one yard needs to be taken into
> the shed with wheelbarrows. I am trying to comprehend how many
> (average size) wheelbarrow trips will have to be made to carry that
> one yard to the shed. I am asking to get a rough idea so I know how
> many friends and wheelbarrows to have on hand. The delivery company
> said that their delivery guys cant spend a lot of time at one place,
> so I need to be ready to get the cement moved fast.
>
> I know someone is going to ask me what I mean by average size
> wheelbarrow. I dont know how they are rated, but the two that I have
> are the ones sold at most garden supply places, department and
> hardware stores for the average homeowner. My guess is the "bucket"
> is about 28" wide, 35" long, and 10" deep (of course the corners are
> rounded and the bucket tapers in at the bottom.
>
> My guess (and only a guess), is one wheelbarrow load can hold about
> 2.5 cubic feet, (without spilling all over the place), and a full yard
> of concrete is 27 cubic feet. So my guess is about 11 trips. Does
> this sound about right?
>
> One other thing. Since I plan to use whatever concrete is left over
> to make a pad in front of the shed door, outside, what is the best way
> to make an adjustible form? My idea is to make the form the actual
> width I want (which is 41"), then just leave the end board (away from
> the door) without nails or stakes, so I can fasten it after the cement
> is there and I know how much cement is left. If by chance the pad
> seems too small, I have a few bags of redi-crete to use up, so I can
> mix them.

Whatever results you come up with, double them. It's far, far better to have
too many helpers than too few. For example, what happens when one (or more)
of the volunteer wheelbarrows breaks? Or for that matter, when one of your
helpers keels over with a heart attack? What happens if it rains? Helpers
are cheap (pizza and beer).

Lay a plywood track to the dumping area.

You'll need barrow drivers and concrete spreaders. Have plenty of tools on
hand (shovels, hoes, etc.).

Your plan for an adjustable form sounds fine. Be sure to put in reinforcing
(rebar, wire mesh...)



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