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Re: Point supported glass design

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But as Bob alluded to, glass may not lend itself simply to a rational analysis as other issues may be design factors.  Especially when considering laminated glass with a point load around a stress concentration.  But maybe I am making a bigger deal out of it than it is.

From: Thor Tandy <vicpeng(--nospam--at)>
To: seaint(--nospam--at)
Sent: Wednesday, March 11, 2009 5:30:11 PM
Subject: RE: Point supported glass design

Yes you should do "rational" analyses and take care with your model and support boundary conditions.

Thor A. Tandy P.Eng, C.Eng, Struct.Eng, MIStructE
Victoria, BC

-----Original Message-----
From: Jim Wilson [mailto:wilsonengineers(--nospam--at)]
Sent: Wednesday, March 11, 2009 2:29 PM
To: seaint(--nospam--at)
Subject: Point supported glass design

Are there any simplified methods for designing point-supported glass?  I'm looking for applications such as glass handrails, stair treads, etc.  I've searched and found some generic glass articles online, but nothing technical.  Is this the kind of thing that requires a detailed analysis by an industry insider?
It seems like there could be some standardized analyses available for a single 1/2" or 3/4" pin through a piece of 3/4" glass.
Jim Wilson