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» Miscer tradies ReBar or steel fiber for concrete foor for truck workshop
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post 1684654793 06-15-2023, 06:47 AM
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Miscer tradies ReBar or steel fiber for concrete foor for truck workshop

So I need to make the concrete floor inside a workshop and some people say I should use re bar, others say I should use steel fiber, other say both so Idk what is the most cost effective + best performance for this.
This will be a truck workshop, sort of, kind of like a MOT. So heavy vehicles will go on this.
The concrete will be 20cm ( 7.8 inches ) and we will be using B400 concrete.
I was thinking maybe just put rebar + steel fiber on the path where the trucks go and then the rest just leave it with steel fiber because there will be no heavy loads on the rest of the areas

And also, is there such a thing as 2 slices of rebar ? kind of like sandwich ?
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post 1684655103 06-15-2023, 06:53 AM
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Hire an engineer man. But usually you'd use rebar to hold the pad together structurally, and use fibers to stop superficial cracks.
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post 1684655243 06-15-2023, 06:57 AM
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Both, but if you can only do one, Rebar.
post 1684655633 06-15-2023, 07:06 AM
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Go with at least a #9 rebar
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post 1684655953 06-15-2023, 07:12 AM
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Originally Posted By Godfrd824
Hire an engineer man. But usually you'd use rebar to hold the pad together structurally, and use fibers to stop superficial cracks.
The way things go here is different, they only do it to finish the job and dont think about what will happen in the future.

What do u think of putting rebar only on the tracks and then in the rest just concrete with fiber ?

one or two layers of rebar ?
Originally Posted By Evolutionary1
Both, but if you can only do one, Rebar.
Why I can only use one ?
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post 1684656143 06-15-2023, 07:16 AM
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Rebar and mesh.
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post 1684656333 06-15-2023, 07:19 AM
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Re-bar is the mainstay... you can use fiber to reinforce. Re-bar and a thick slab for heavy trucks for sure. Fiber is really unnecessary.
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post 1684656353 06-15-2023, 07:20 AM
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Why not both? Rebar for sure, but fiber additive is pretty damn cheap. They don't even sell it here without it blended in.
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post 1684656693 06-15-2023, 07:25 AM
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post 1684656813 06-15-2023, 07:27 AM
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Just did my driveway myself with 3500psi fiber concrete for like 160/yard. You my not need rebar. Just check with an engineer
post 1684657363 06-15-2023, 07:40 AM
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lots of variables to consider here
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post 1684657613 06-15-2023, 07:44 AM
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Are you going to have a lift in the Garage?
post 1684658193 06-15-2023, 07:53 AM
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Originally Posted By Evolutionary1
Are you going to have a lift in the Garage?
No

so after I watched some videos on youtube it made it clear how much rebar impacts the strength of the concrete so that is a must, I will also add the fiber.
Anything else I should take in consideration ?
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post 1684658803 06-15-2023, 08:06 AM
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I would be searching for drawings/specs of a similar building from a reputable company with high standards and try to mimic that

There are all kinds of variations even just within the world of rebar, in terms of how the bars are spaced and shaped and all that
post 1684659023 06-15-2023, 08:10 AM
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Impossible to say without design constraints. Cohbc would be all over this


Get the typical and max weights of the intended trucks, calculate dead weight, determine expected temperature ranges, etc.

That should get you minimum tensile and compressive strength, then you can choose your concrete mix and reinforcement to meet those requirements, with a safety factor added.


generally speaking, rebar adds tensile strength to concrete, and fiber mesh adds impact and abrasion resistance (as well as tensile strength but much less I think). If you expect things will be dropping on the floor a lot, you will need to consider that in your design.
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post 1684659543 06-15-2023, 08:20 AM
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I'd go with Steel Fibras to go with my Muscle fibras. Rebar sounds too much like retard so that's a no from me chief.
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