[TowerTalk] Tri-Ex Tower Base

[Steve Sawyers n0yvy]

Well - I will give yu the info and let you decide:

A-36 has minimum yield strength of 36,000 PSI.

Standard rebar has a yield of 40,000 PSI.

High strength rebar has yield of 60,000 PSI.

Don't know what Tri-Ex uses.

de n0yvy steve

Bill Hinkle wrote:
> 
> All though I worked in a structural steel fabrication shop for 14 years,
> I don't know anything about the structural strength of re bar. Tri-Ex
> uses re bar as a structural member in their bases. I would like to know
> how one inch re bar compares to one inch grade A-36 round rod strength
> wise? Being a cheapskate in the true Ham sense,
> I made my own, using one inch A-36 steel rod as I could not find any re
> bar for free. Now before I plant it, I'm asking myself, is it going to
> be as strong as what Tri-Ex makes? I was always told that re bar is not
> made to be used as a structural member.
> The one inch rod has 3X24X3/8 inch flat bar welded to it that the tower
> and rasing fixture bolt to. 16 inches extends above the concrete.
> What say Tower Talkians, anyone have any knowledge in this area?
> 
> As a side note, if there are any Baseball fans on the reflector, Oriole
> Park at Camden Yards was fabricated where I used to work.
> 
> 
>              73, Bill KB3AUG
> 
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