Help forming 2-inch-thick concrete walls
#22
(06-19-2020, 07:44 AM)Cooler Wrote: I poured a sonotube 12" x 30" column to support a deck post.   I drove in four rebars to the ground and attached some light gage fence wire to the four rebars. 

I was not working on any instructions, so that might have been unnecessary, but like chicken soup, "it can't hurt".

I simply assumed that the concrete needed reinforcement.  I did not read that anywhere.

Concrete has very little tensile strength, so it needs reinforcement when loaded in tension (or subject to flexing/bending), not necessarily in compression if adequately sized...
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