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Old 09-27-2011, 02:07 PM   #1
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How much Rebar and mesh is needed


My contractor ask me to go buy the re-bar and mesh from a local store. My slab is 60' x 20' and want the re-bar set on 18" centers how much mesh and re-bar should I buy?

re-bar (3/8") is 20' pieces ($3.15 ea)
Mesh is 8' x 20' ($34.00 ea)

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Old 09-27-2011, 02:19 PM   #2
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How much Rebar and mesh is needed


do a google search for a rebar calculator. I imagine there would be a few of these available to figure it up quick and easily

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Old 09-27-2011, 02:23 PM   #3
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How much Rebar and mesh is needed


You have to pay for all the ones I found.
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Old 09-27-2011, 02:26 PM   #4
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How much Rebar and mesh is needed


i just saw this one, looks like it's free ( hit START THE CALCULATOR at top or bottom of the page) . You need to be smarter than me to understand it, but that shouldnt be too hard

http://www.pjsrebar.com/index.php?op...id=69&Itemid=0
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Old 09-27-2011, 02:30 PM   #5
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How much Rebar and mesh is needed


That is to calculate how much weight the re-bar can hold I need how many pieces.
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Old 09-27-2011, 03:16 PM   #6
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How much Rebar and mesh is needed


See, i told you i wasn't that smart.

take a look at this http://www.meet-mr-concrete.com/conc...culations.html maybe that will help more
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Old 09-27-2011, 03:29 PM   #7
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How much Rebar and mesh is needed


Why do you need rebar AND mesh?

Seems like an awful lot of steel for no good reason.

Quickly I get: 118 sticks 3/8
8 rolls mesh
$637.40
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Old 09-27-2011, 03:50 PM   #8
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How much Rebar and mesh is needed


its more distressing a grown man can't solve this arithmetic problem,,, if would be different IF the question were how much is the required overlap so the bar can be wired OR mesh overlap

bar o'lap - diam of bar X 10 - mesh o'lap - 4" HOWEVER no mesh in the joint(s) OR 5" on either side of it
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Old 09-29-2011, 04:24 PM   #9
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How much Rebar and mesh is needed


You need about 2000ft of rebar (100 20ft bars). The bars running the 60ft length should overlap at least 18" where the ends meet. You DON'T need wiremesh. Good luck.
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Old 09-29-2011, 09:17 PM   #10
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How much Rebar and mesh is needed


My quick math (rounding up) comes to about 85 rods & 9 sheets of mesh. I,too, wouldn't use all of that steel in the slab, unless you plan on some heavy vehicle traffic.

BTW, are you sure the sheets aren't actually 8' x 15'????
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Old 09-30-2011, 01:33 AM   #11
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How much Rebar and mesh is needed


itsreally: is #3, 18" OC skookum enough? I'd be inclined to shorten that to 12" w/ 3#, or 16" w/ #4 on a 60' slab. Is that overkill? thanks. j

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