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Re: Ridge beam/joist analysis

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I'd always though of it as a pinned system, with the collar resisting an amplified thrust (lever action), and the resulting moment in the rafters due to a point load and pinned ends.

Jordan

At 04:09 PM 6/30/2004 -0500, you wrote:
Daryl,
The collar tie is the tension member at some distances d from the
compression stress (max at the top of the ridge) that forms a couple and
thus moment transfer. Making the two rafters act as a continuous beam over
the ridge support.

Rand
----- Original Message -----
From: "Daryl Richardson" <h.d.richardson(--nospam--at)shaw.ca>
To: <seaint(--nospam--at)seaint.org>
Sent: Wednesday, June 30, 2004 3:32 PM
Subject: Re: Ridge beam/joist analysis



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