In a message dated 3/3/2006 1:36:08 P.M. Pacific Standard Time,
> I am currently using 3"OD steel pipe for my above ground guys for a Rohn
25 tower. The post are 9 feet with 5 feet above hard ground set in concrete.
I want to fill the post with concrete and one long rebar to strengthen them
against bending. Would concrete with gravel or just cement with sand be
better inside the pipes?
None of the above. Imagine a 2" round piece of vertical concrete.
What'll happen if it falls over and hits the ground? Correct - it shatters.
best way to strengthen it is to back-guy it.
While it's too late now, next time use 6-8 inch H-beams - they're way
stronger than a round pipe.
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