80 Lb Bags Of Quikrete
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Old 10-06-2006, 06:20 PM   #21
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Re: 80 Lb Bags Of Quikrete

Quote:
Originally Posted by Tscarborough View Post
...A five gallon bucket filled to the top ring is 1 CuFt.
So the top ring on the bucket is about the 7-1/2 gallon mark? Learn something every day. Thanks.

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Old 10-06-2006, 06:33 PM   #22
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Re: 80 Lb Bags Of Quikrete

The rim on the bucket varies, but the top ring is generally 1 CuFt.
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Old 10-06-2006, 06:44 PM   #23
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Re: 80 Lb Bags Of Quikrete

wtf,just buy more than you think you will need.when you are done,take the others back to the lumber yard.
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Old 10-06-2006, 07:07 PM   #24
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Re: 80 Lb Bags Of Quikrete

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Originally Posted by Tscarborough View Post
Don't return 'em to me; we don't take them back.

An 80# bag of regular concrete mix is .66 cubic foot. That is the size of the bag, and has nothing to do with the weight. A pallet of 80# Concrete mix (42 bags) is a CuYd (27.72) of concrete for purposes of guesstimating.

A cubic foot of Type I portland weighs 94#
An approximate (a tad less) cubic foot of Masonry Cement weighs 70# (N) or 75# (S).

A five gallon bucket filled to the top ring is 1 CuFt.

Thanks for straightenin' that out, T . . .
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Old 10-06-2006, 07:24 PM   #25
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Re: 80 Lb Bags Of Quikrete

Thanks T. Now my head is really spinning. I'm glad we don't use sack mixes much.

Stacker, they let you buy when you're naked, but you get arrested when you return in the buff.
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Old 10-06-2006, 07:41 PM   #26
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Re: 80 Lb Bags Of Quikrete

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Old 10-06-2006, 07:46 PM   #27
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Re: 80 Lb Bags Of Quikrete

Quote:
Originally Posted by Tscarborough View Post
Don't return 'em to me; we don't take them back.

An 80# bag of regular concrete mix is .66 cubic foot. That is the size of the bag, and has nothing to do with the weight. A pallet of 80# Concrete mix (42 bags) is a CuYd (27.72) of concrete for purposes of guesstimating.

A cubic foot of Type I portland weighs 94#
An approximate (a tad less) cubic foot of Masonry Cement weighs 70# (N) or 75# (S).

A five gallon bucket filled to the top ring is 1 CuFt.
Does a .66 cubic foot of dry mix = .66 cubic feet of wet concrete or would the three halves rule apply?

Just cover the extra bag real good until it gets wet than return it.
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Old 10-06-2006, 08:26 PM   #28
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Re: 80 Lb Bags Of Quikrete

Maybe this will help http://www.quikrete.com/calculator/calculator.html

Took me less than 30 secs.
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Old 10-06-2006, 10:02 PM   #29
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Re: 80 Lb Bags Of Quikrete

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Maybe this will help http://www.quikrete.com/calculator/calculator.html

Took me less than 30 secs.
Great link Teetor!

I definitely book marked that one!
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Old 10-08-2006, 10:02 AM   #30
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Re: 80 Lb Bags Of Quikrete

If I layed 48,000 sq.' 6" thick according to the calculator ,I would need an additional 9,000# if I used 60# bags.
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Old 11-10-2006, 10:00 AM   #31
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Re: 80 Lb Bags Of Quikrete

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Originally Posted by PipeGuy View Post
So the top ring on the bucket is about the 7-1/2 gallon mark? Learn something every day. Thanks.
Sorry if I'm late posting on this, but I'm with pipe, 1 cubic foot is almost 7 1/2 gallons, or five gallons is .6684 cu. ft.

An 80lb. bag fits about perfect into a 5 gal.
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Old 11-10-2006, 11:36 AM   #32
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Re: 80 Lb Bags Of Quikrete

That is correct, I was wrong.
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Old 11-10-2006, 04:05 PM   #33
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Re: 80 Lb Bags Of Quikrete

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Originally Posted by Tscarborough View Post
That is correct, I was wrong.
Just when I was beginning to think you knew what you were talking about!

Just kidding Tscar!
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Old 11-10-2006, 05:44 PM   #34
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Re: 80 Lb Bags Of Quikrete

If I knew what I was talking about I would charge you for it!
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Old 11-21-2006, 08:31 AM   #35
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Re: 80 Lb Bags Of Quikrete

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Originally Posted by eagle54 View Post
I have to lay out a slab for a 45 gal air compressor. The measurements for what I have framed are;
34"in length x 33.5" in width x 5" deep,,,
How many 80 lb bags of Quikcrete will I need to use???
I know it will take .097512 yards + 5% = .102388 yards. So how many 80 lb bags will I need to mix for this slab??

Just read the bag, it's on there.
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Old 10-21-2009, 02:47 PM   #36
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Re: 80 Lb Bags Of Quikrete

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Originally Posted by orionkf View Post
Sorry if I'm late posting on this, but I'm with pipe, 1 cubic foot is almost 7 1/2 gallons, or five gallons is .6684 cu. ft.

An 80lb. bag fits about perfect into a 5 gal.
Howdy all,

I'm new, and will just go ahead here and start stupid...

I'm forming up for a set of steps against a stone house (stone-rubble construction). The bottom step is about 100"W X 52"D. There are 3 treads each on two sides of the small staircase ending at a landing to the front door. The rise / run is 7" / 11".

The form is up against the house, and will join the steps to the house with rebar; the steps are on either side of the form. There are no steps approaching the house from the front- there will be a railing across the front and down the sides, at the outside edge of the 'treads' as they go to the ground.

The form is in 3 stacked and strapped-together sections, made of ledger-board (1x6), each section ending at a successive step on either side. The dimensions of each form section are:
Step 1) 100"W X 52"D X 7" Rise
Step 2) 78"W X 52"D X 7" Rise
Step 3) 56"W X 52"D X 7" Rise

So I don't do much concrete work, but it's part of a job and here I be. I'm a little confused, still, about how to go about calculating how many bags (renting a mixer) to use. I come up with some pretty outrageous numbers...

I would just hire a concrete company, but the house is in a logistically-challenging situation and a truck will be hard-pressed to get a chute over to the spot.

Please pardon my obtuseness... or have at it! But any (useful) advice would be great! Thanks.
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Old 10-21-2009, 03:47 PM   #37
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Re: 80 Lb Bags Of Quikrete

I rounded up to the nearest foot and came up with 6.3 bags http://www.concretenetwork.com/concr...calculator.htm
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Old 10-21-2009, 04:24 PM   #38
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Re: 80 Lb Bags Of Quikrete

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Might be wrong, but I think an 80lb bag makes a cubic foot of concrete.

JVC
an 80 lb bag is 2/3 of a ft3

a 94 lb bag of portland cement is 1 ft3
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Old 10-21-2009, 04:33 PM   #39
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Re: 80 Lb Bags Of Quikrete

FOR FUTURE REFERENCE

http://www.quikrete.com/Calculator/Main.asp
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Old 10-21-2009, 10:42 PM   #40
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Re: 80 Lb Bags Of Quikrete

I just go by the dimensions of the concrete bag. lol. That will pretty much be how much it will cover.
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