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# RE: Bolt pull-through

• To: <seaint(--nospam--at)seaint.org>
• Subject: RE: Bolt pull-through
• From: "Nels Roselund" <njineer(--nospam--at)att.net>
• Date: Thu, 18 Nov 2004 08:53:03 -0800

```Michael,

The AISI Specification for Design of Cold-Formed Steel Structural Members,
1996 edition gives a Pull-Over equation Pnov = 1.5 x t1 x dw x Fu1.  t1 =
thickness of the member in contact with the head or washer; dw = diameter of
head or washer; Fu1 = tensile strength of the member in contact with the

Nels Roselund, SE
South San Gabriel, CA
njineer(--nospam--at)att.net

-----Original Message-----
Sent: Thursday, November 18, 2004 8:35 AM
To: seaint(--nospam--at)seaint.org
Subject: Bolt pull-through

Can anyone point me in the right direction to calculate a pull-through
value for a bolt in tension, holding a rather thin aluminum angle
against a concrete wall?

The bolts are stainless steel drilled-in anchor bolts, and the aluminum
will be isolated from the concrete with thin di-electric washers or
bituminous paint.  I just need to know how to calc a pull-through value.

Thanks,

TKDA
St. Paul, Minnesota

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