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RE: Curved GLB

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Title: Curved GLB
I am not clear how manufacturing method or any material would affect thrust.  
If the horizontal displacement at supports are acceptable, ties can be ignored in structural analysis. But excessive horizontal displacements may push top plates outward if the building happens to be a long rectangular one without cross walls.
Suresh Acharya, S.E.

From: Gordon Goodell [mailto:GordonGoodell(--nospam--at)]
Sent: Tuesday, July 15, 2008 10:05 AM
To: seaint(--nospam--at)
Subject: Curved GLB

I'm working on a project with curved GLB roof framing, ~16' span, 5'o.c. w/ joists hung btwn them.  The architect is expecting a tie rod at plate level, but I'm wondering how to calc the thrust at the base of these things.  Considering how they're manufactured, it seems like there should be a lot less horizontal force at the plate than a simple statics analysis would indicate.


Gordon Goodell

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