[TowerTalk] TowerTalk] Epoxy for Pier pin in Rohn concrete base

[Al Kozakiewicz]

There is no tension on a pier pin, only shear, and hopefully not much if the tower is plumb and the guy tensions are equal.  The only purpose of an adhesive in this application is to keep someone from pulling the pin out. Otherwise epoxy adds nothing to the structural integrity. To illustrate the point (I don't recommend doing this) you could drop it in the hole and tack weld it to the tower base only and you would accomplish the goal.

Al
AB2ZY

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of john at kk9a.com
Sent: Monday, February 06, 2017 8:35 PM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] TowerTalk] Epoxy for Pier pin in Rohn concrete base

I am far from being a tower expert however I once installed a 160' Rohn 65 tower on an old crankup tower base and I just used anchor concrete from Home Depot to set the pier pin in an oversized hole.  This is different than epoxying bolts for a free standing tower where you need maximum adhesion.
The base worked perfectly for a number of years until I moved.

John KK9A 

To:	towertalk at contesting.com
Subject:	[TowerTalk] Epoxy for Pier pin in Rohn concrete base
From:	Dave Thompson <thompson at mindspring.com>
Reply-to:	Dave Thompson <thompson at mindspring.com>
Date:	Mon, 6 Feb 2017 17:28:12 -0500 (GMT-05:00)

I think I have arranged most of the Rohn 45 that I need and have the concrete base and pier pin. I need to drill a hole for the pier pin and lost the name of the epoxy (Quikcrete brand?). I know it sets in about 2 days.

Thanks to everyone for the help.

73 Dave K4JRB

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