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Posted by George E. Cawthon on August 8, 2005, 2:05 am
gfretwell@aol.com wrote:
> wrote:
>
>
>>I intend to pour a slab where my deck steps will land. The dimensions are
>>approximately 80"x24"x6" (LxWxD) or roughly 6-2/3 cubic feet. The ready-mix
>>plants in town won't take an order for anything less then 2 cubic yards, so
>>I'm left to mix Quikcrete in my wheelbarrow. I'm thinking mixing 20 40#
>>bags of Quikrete is going to be a huge chore, so I'm wondering if I can
>>break up an existing concrete slab (the wife decided she wanted the steps
>>somewhere else) and use that as filler material -- not to save money but
>>rather to cut down on the amount of mixing I will have to do. Is this a
>>stupid thing to do? Would it considerably weaken the slab? If not, what
>>would your filler-to-mix ratio be? Thanks for any advice.
>>
>>Dale
>>
>
>
>
> Rent a mixer. This is only about 13-14 60 lb bags and that is trivial
> with a mixer. Most will hold 2-3 bags a load.
> I have a cheap mixer I bought many years ago and I will do 12 bags in
> a single session with no help. 2 guys really makes it go faster. One
> runs the mixer, the other places the concrete.
A lot of the home type mixers are advertised as
1/3 yard but I've seen some that are a lot
smaller, maybe 1-1/2 cubic feet. Ours was 1/3
but I think we usually mixed a bit less than
that per batch. I remember counting the shovels of
cement and gravel mix.
My dad did the whole foundation and basement
walls,and helped with the basement floor when I
got out of the service. A lot of work .
As far as the OP's question, yes filler is a
stupid idea. A small pad is no problem as it is
only 2-3 wheelbarrow loads. Just be sure to use a
very sturdy hoe for mixing.
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