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Re: glass conservatory.

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How is the roof shaped?  Is the conservatory an aluminum and glass system
like a curtain wall or wood framed?

In either case the trick is provide an articulated system that does not rely
on a diaphragm material for overall rigidity.
The glass can transfer localized wind and inertial forces to the individual
supporting elements (see chapter 24, vol. 1 UBC)
The individual elements are designed for the resultant loads, usually
biaxial bending and axial.  Watch the connections and verify all the
necessary forces are resolved (transferred).  The more inherently rigid the
structure (like a pyramid) the easier.

Simply keep first principles in mind and have fun!

Paul Feather
San Diego

----- Original Message -----
From: Francisco Duarte <fduarte(--nospam--at)LEASUNG.COM>
To: <seaint(--nospam--at)>
Sent: Monday, February 14, 2000 2:45 PM
Subject: glass conservatory.

> I have designed a two story single family dwelling in the Bay Area.
> Now the owner wants to have a 15' x 15'  glass conservatory (dinning area)
> attach to the building.
> The owner wants the three walls and roof of the conservatory to be build
> of glass.
> I am planing to design a moment frame at each side to take the lateral
> My question is can glass
> carry shear load? or how I go about the analysis of such structure? I know
> that we use plywood to transfer load to frames, walls etc.
> but how can I show the collection of shear load into steel frame and
> I appreciate any help, comment , better yet teaching on the subject.
> Thanks in advance
> F. Duarte
> E.I.T.